EMG biofeedback and single-motor-unit training (Basmajian, Budzynski)

1. Introduction

Version followed: clinical surface-EMG (sEMG) biofeedback for tension-type headache (TTH) in the Budzynski–Stoyva tradition (Budzynski, Stoyva, Adler & Mullaney, 1973), as summarised by Andrasik (2010) and organised along the practice chapters of Schwartz & Andrasik, Biofeedback: A Practitioner's Guide, 4th ed. (Guilford, 2016; chapter topics are taken from the publisher's contents page, and no step below is attributed to the chapters' content [uncertain]). Basmajian's single-motor-unit (SMU) training is described as the laboratory precursor and as a rehabilitation method, not as something a psychotherapist delivers. Checked October 2026: BCIA certification and recertification requirements against BCIA's own pages; AAPB efficacy ratings (2004 and 2023 editions) via secondary pages [uncertain: secondary]; NICE CG150 via a reproduction of the guideline text [uncertain: secondary]. Budzynski and Stoyva's 1969 shaping method is known here from the paper's abstract only, so their exact shaping rules are [uncertain].

What it is. EMG biofeedback measures the electrical activity of a muscle through sensors and turns it into a moment-to-moment tone, bar or number, so the client can see or hear muscle tension they normally cannot sense and learn to lower (or, in rehabilitation, raise or refine) it. Two strands carry the names in the title:

Basmajian's single-motor-unit training. Working with fine-wire (indwelling) electrodes, Basmajian showed that people given aural and visual feedback of motor-unit potentials (loudspeaker plus oscilloscope screen) could fire single motor neurons "with no overflow", starting from muscle silence, firing slowly and regularly, then faster, and in skilled subjects reproducing rhythms such as drum beats. He describes subjects needing no knowledge of EMG, only to "concentrate their attention", and accepting the feedback as a new form of proprioception [source: Basmajian retrospective, Konstanz OJS]. His group later "developed and described a system of testing and of motor unit training" [same source]. He also founded the society that became the Biofeedback Society of America and wrote Biofeedback: Principles and Practice for Clinicians (Williams & Wilkins, 1983) [source: Wikipedia, John Basmajian].
Budzynski and Stoyva's EMG relaxation training. Budzynski and Stoyva built an instrument for producing deep muscle relaxation by "analog information feedback" (1969), applied it to tension headache (1970) and ran a controlled outcome study (1973) in which patients learned to relax the forehead musculature with EMG feedback in 16 twice-weekly 20-minute sessions plus daily home practice; the feedback group improved in headache activity while pseudofeedback and no-treatment groups did not, and medication use was much lower at three-month questionnaire follow-up [source: PEDro record 19300; Wikipedia, Thomas Budzynski]. They also described a masseter (jaw) EMG relaxation technique (1973) [source: Wikipedia, Thomas Budzynski]. His dissertation on feedback-induced muscle relaxation produced a muscle biofeedback device that was on the market by 1975 [source: H. Budzynski 2011, Biofeedback 39(4)].

How change is thought to happen. Feedback makes an unnoticed physiological process perceptible; with practice the client learns cues and strategies that change it, and then must carry that skill into daily life without the instrument. Andrasik (2010) frames biofeedback-assisted relaxation as counteracting stress-related sympathetic arousal and notes added benefits for cognitive and emotional functioning (anxiety, depression, self-efficacy) [source: Andrasik 2010]. Whether headache relief depends on the EMG change itself or on broader self-regulation and self-efficacy is not settled in the sources [uncertain].

Who delivers it. Biofeedback for stress-related and psychophysiological problems is delivered by licensed health professionals including psychologists and psychotherapists; BCIA certifies practitioners across approved health-care fields (see 4.18) [source: BioSource Software, BCIA biofeedback certification]. SMU training with indwelling electrodes is an invasive electrodiagnostic/rehabilitation procedure for medically qualified or rehabilitation teams; neuromuscular re-education and pelvic-floor sEMG are specialist areas (Schwartz & Andrasik 2016, chs. 31–32, by rehabilitation and pelvic-floor specialists) [source: Guilford contents]. Electrode insertion is outside a psychotherapist's scope [synthesis].

2. Framework

The cited sources give the components but not one authorised phase sequence; the phases below follow the order of Schwartz & Andrasik's practice chapters (intake and preparation, psychophysiological assessment and baselines, relaxation and biofeedback training, adherence, problems, ending) and BCIA's requirement that each case be documented "from intake through discharge" (as BioSource summarises it). Phase labels and transition criteria are [synthesis] unless tagged.

Phase	Goals	Typical format	Move on when
0. Referral and medical clearance	Headache diagnosed by a physician; red flags excluded; medication use known	Before session 1; letter/phone with GP or neurologist (dentist for jaw problems)	Medical diagnosis confirmed; no condition needing other care first [synthesis]
1. Intake and preparation	History, goals, headache diary started, rationale and consent	1–2 sessions, 50–60 min [synthesis] (topic of Schwartz & Andrasik ch. 14)	Client understands the rationale and has 1–2 weeks of diary data [synthesis]
2. Psychophysiological assessment / baseline	Resting, stressor and recovery readings at chosen sites; artefact check	1 session [synthesis] (topic of Arena & Schwartz, ch. 8)	Clear target site(s) and a reference level to train from [synthesis]
3. Feedback training	Learn to lower sEMG at the target site with feedback, then with eyes open, sitting, moving	Budzynski et al. (1973): 16 sessions, twice weekly, 20 min of feedback each, with daily home practice [source: PEDro 19300]; clinics vary [uncertain]	Client lowers readings reliably within session and reports noticing tension earlier [synthesis]
4. Self-control and generalisation	Same control without feedback, in varied postures and stressors; brief cues in daily life	Interleaved in later training sessions	Self-control trials approach feedback trials; diary shows use in daily life [synthesis]
5. Ending and maintenance	Fade sessions, relapse plan, optional boosters	1–2 sessions, spaced	Agreed headache goal met or plateau reached and discussed [synthesis]

Notes:

Andrasik (2010) reports that biofeedback effects for headache endure over extended periods with or without booster sessions, and that EMG and thermal feedback are usually combined with relaxation (imagery, paced breathing, autogenic training, meditation) and cognitive-behavioural stress coping [source: Andrasik 2010].
In a paediatric EEG (CNV) biofeedback study cited by Andrasik, children learned control with feedback but could not show it once feedback was removed, which is why a dedicated no-feedback phase matters [source: Andrasik 2010; generalisation of this to EMG is synthesis].
SMU training (Basmajian) has its own progression: silence → single unit firing slowly and regularly → faster rates → rhythms [source: Basmajian retrospective]. It is delivered in electrophysiology/rehabilitation settings, not in psychotherapy.

3. Guiding principles

Medical diagnosis first. Biofeedback is an adjunct to medical assessment of headache, never a substitute: no training until a physician has assessed the headache [synthesis, consistent with the guideline context in Andrasik 2010 and EFNS 2010].
The client learns, the machine only informs. Basmajian's subjects needed no technical knowledge, only attention to the signal [source: Basmajian retrospective]: present the display as a mirror, not a treatment acting on them.
Measure before you train. Baselines at rest, under stress and in recovery define the target and later show change (topic of Arena & Schwartz, ch. 8) [synthesis].
Small steps (shaping). Set goals just beyond what the client already achieves and move them as skill grows [source: Budzynski & Stoyva 1969 abstract (PMC), which names immediate analog feedback and "systematic shaping of responses" as the method; their exact threshold rules are not reproduced here [uncertain]; step sizes here are synthesis].
Feedback plus a strategy. Pair feedback with relaxation and cognitive coping skills, as the headache literature describes [source: Andrasik 2010].
Practise daily away from the clinic. Home practice was built into the founding protocol [source: PEDro 19300].
Train for life without the signal. Fade feedback and test self-control, because control shown with feedback may not persist without it [source: Andrasik 2010 for the EEG example; synthesis for EMG].
Track the clinical outcome, not just microvolts. Headache diary and medication use were the founding outcomes [source: PEDro 19300].
Match the method to the client. Behavioural headache treatment suits people who prefer non-drug approaches, cannot use or did not respond to drugs, are pregnant, planning pregnancy or nursing, overuse acute medication, or have high stress or weak coping [source: Andrasik 2010, Table 2]. Expect less from biofeedback alone in chronic, menstrual-related, medication-overuse, post-traumatic and cluster headache [source: Andrasik 2010].
Stay within competence and scope. Train, get mentored and certified; no invasive electrodes; refer neuromuscular, pelvic-floor and dental problems to the relevant specialists [synthesis; certification structure from BioSource/BCIA].
Never advise on medication. Record medication use for the prescriber; any change is the prescriber's decision [synthesis].
Equipment safety and hygiene are part of care. Use instruments intended for biofeedback, follow the manufacturer's instructions, check skin and sensors (see 4.4) [synthesis].

4. Intervention inventory

Scope note: the founding sources (Budzynski et al. 1973 abstract; Basmajian's retrospective) give the core elements: forehead-muscle feedback, a fixed course of short sessions, daily home practice, and graded SMU training. The step-by-step detail below fills gaps with [synthesis]; Schwartz & Andrasik's chapters on intake (ch. 14), baselines (ch. 8), adherence (ch. 15) and problems (ch. 16) cover these topics, but nothing below is attributed to them beyond the topic itself [uncertain]. No device settings are given; follow your instrument's manual and your training.

4.1 Referral, intake and medical clearance

Purpose / when: Before any training. Make sure the headache has been diagnosed, nothing needs other care first, and biofeedback suits the client.
Steps: (1) Ask for or obtain the physician's diagnosis (TTH, migraine, mixed); for jaw pain or bruxism, a dental/TMD assessment (Glaros & Lausten, ch. 21, is the book's chapter on this). (2) Take a headache history: onset, frequency, duration, intensity, location, triggers, what helps, medication taken for headache and how often. (3) Screen for features needing prompt medical review (new or changed pattern, sudden severe onset, neurological symptoms, headache after head injury, systemic illness) and refer before starting [synthesis; general medical practice]. (4) Note medication overuse risk and tell the prescriber rather than advising (Andrasik reports a poorer response to biofeedback alone in medication-overuse headache). (5) Assess stress, anxiety, depression, sleep, work posture and life context. (6) Check for skin conditions or allergies to adhesives/gels and any implanted electronic device; ask the manufacturer or physician if unsure [synthesis]. (7) Agree goals in headache terms (e.g. fewer headache days) and start a daily diary.
Example language (illustrative): "Before we start, I'd like your doctor's view of what kind of headache this is, so we're training the right thing and not missing anything that needs medical care."
Watch for: Red flags; daily analgesic use; depression or suicidality (assess per usual risk practice); a client who wants biofeedback to replace medical review. Working: diagnosis on file, diary started, shared goal written down.

4.2 Rationale, psychoeducation and consent

Purpose / when: Intake and session 1; revisit when motivation dips.
Steps: (1) Explain that muscles can stay tense without our noticing, that the sensor only reads activity and sends nothing into the body (for sEMG), and that the display is a learning aid. (2) Explain the plan: baseline, training sessions, daily practice, then practice without the machine. (3) Be honest about evidence: helpful for many people with TTH, not for everyone (Andrasik 2010). (4) Describe sensor application (skin cleaning, adhesive sensors on forehead, jaw or neck/shoulders), any skin reaction risk, data storage and the right to stop. (5) Record consent.
Example language (illustrative): "The machine doesn't do anything to you. It works like a mirror for a muscle you can't normally see, and the learning is yours."
Watch for: Beliefs that the device "treats" them or reads thoughts; fear of electricity; expectations of quick cure. Working: client can say the rationale back in their own words.

4.3 Sensor-site selection (general)

Purpose / when: Before the baseline; revisit if progress stalls.
Steps: (1) Choose sites from the history: the founding TTH protocol trained the forehead musculature (Budzynski et al. 1973); Budzynski and Stoyva also described masseter (jaw) training (1973); neck and shoulder sites are commonly used in TTH and work-related pain but no published placement rule is cited here [uncertain]. (2) Where available, compare more than one site in the baseline and train the one most raised or most reactive [synthesis]. (3) Use your instrument manual and training for exact placement; none is given here.
Example language (illustrative): "Your headaches start at the back of the neck, so we'll look there as well as the forehead and see which one tells us most."
Watch for: A site that reads high only because of movement, talking or poor contact (artefact). Working: the site's readings change with the client's reported tension.

4.4 Sensor application, signal check and equipment safety

Purpose / when: Every session.
Steps: (1) Wash hands; clean the skin as your device manual says; use single-use or properly cleaned sensors. (2) Apply sensors; check the signal is stable and responds when the client briefly frowns, clenches or shrugs, then returns. (3) Identify artefacts: movement, swallowing, talking, eye blinks at the forehead, cable tugs, mains interference [synthesis]. (4) Electrical safety in general terms: use instruments made and marketed for biofeedback, battery-powered or isolated as the manufacturer specifies, keep them maintained, never improvise connections, and do not connect a client to mains-powered equipment that is not built for patient use [synthesis; C.J. Peek's instrumentation primer, ch. 3, covers this]. (5) After removal, check the skin and note reactions.
Example language (illustrative): "Could you frown for a second… good, you can see the bar jump… and let it go. That tells me the sensor is reading properly."
Watch for: Skin redness or itching; unstable readings; client distress at being wired. Working: clean, stable signal that tracks deliberate tension.

4.5 Psychophysiological baseline (stress profile)

Purpose / when: Phase 2, and briefly at the start of each training session.
Steps: (1) Adaptation period, client seated quietly, no feedback. (2) Resting baseline, eyes open then closed. (3) A mild, agreed stressor (mental arithmetic, recalling a stressful event, a work posture) [synthesis]. (4) Recovery period: how fast readings return. (5) Optionally a brief self-relaxation trial without feedback to see existing skill. (6) Record readings, the client's own tension ratings and any headache at the time. Keep conditions (time, posture, room) the same at re-test [synthesis]. Arena & Schwartz (ch. 8) cover baselines; their procedure is not drawn on here [uncertain].
Example language (illustrative): "For a few minutes I just want to see how your muscles behave at rest, then while you do some sums in your head, then afterwards."
Watch for: High tension that does not come down after stress; mismatch between felt and measured tension (useful for training awareness). Working: a clear target site and reference level.

4.6 Feedback display and training goal

Purpose / when: Start of Phase 3.
Steps: (1) Choose a display the client can follow with eyes closed (tone) or open (bar, line); Budzynski and Stoyva's instrument fed EMG back as a tone "with a pitch proportional to" muscle activity, so the pitch fell as the muscle relaxed [source: Budzynski & Stoyva 1969 abstract, PMC] and Basmajian used sound and screen together. (2) Set the direction: lower readings = tone lower or slower, bar shorter [synthesis]. (3) Explain the goal for this session in a sentence. (4) Short trials with rest in between, then longer trials as skill grows [synthesis].
Example language (illustrative): "When your forehead lets go, the tone will drop. Don't try to force it, just notice what you're doing when it goes down."
Watch for: Effortful "trying" that raises tension; boredom. Working: client finds at least one strategy that moves the signal.

4.7 Shaping with graded goals

Purpose / when: Throughout Phase 3.
Steps: (1) Set the first goal just below the client's current resting level so success comes early. (2) When the client meets it on most of a trial, move the goal a little lower; if they rarely meet it, ease it back. (3) Praise successes specifically. (4) Log goals and achieved levels each session. (Budzynski & Stoyva (1969) name systematic shaping of responses as part of the method, and their feedback group relaxed more deeply than no-feedback and irrelevant-feedback groups [source: 1969 abstract, PMC]. Their criterion-setting and level-change rules are not reproduced here, so the specific steps above are [synthesis] [uncertain].)
Example language (illustrative): "You've held it under the line most of that trial, so let's move the line down a touch."
Watch for: Goals moved too fast, leading to frustration; readings near the instrument's noise floor where further lowering is meaningless [synthesis]. Working: steady fall across sessions in resting levels and faster recovery after stress.

4.8 Feedback-assisted relaxation strategies

Purpose / when: Phase 3, alongside the display.
Steps: (1) Offer one strategy at a time: paced slow breathing, guided imagery, autogenic phrases, meditation-style attention, or tense-and-release (all named by Andrasik 2010 as common adjuncts, except tense-and-release, which is [synthesis]). (2) Let the signal show which works for this client. (3) Teach a short version for daily use. Jonathan C. Smith's relaxation chapter (ch. 12) is the book's chapter on relaxation methods.
Example language (illustrative): "Let's try slowing your breath out for a minute and see what the tone does."
Watch for: Relaxation-induced anxiety, intrusive images or dizziness from over-breathing (see section 5). Working: a named strategy the client can use in under a minute.

4.9 Awareness training (discriminating tension)

Purpose / when: Phase 3 onward, especially when clients say they "feel relaxed" while readings are high.
Steps: (1) Ask the client to rate tension before you show the reading. (2) Compare with the reading. (3) Have them tense slightly and release, noticing the difference. (4) Repeat until ratings track the signal [synthesis].
Example language (illustrative): "Before I show you, how tense is your forehead from 0 to 10?"
Watch for: Persistent mismatch. Working: client notices tension in daily life earlier (diary notes).

4.10 Daily home practice and headache diary

Purpose / when: From the first training session to the end; home practice was part of the 1973 protocol [source: PEDro 19300].
Steps: (1) Agree a daily practice slot and length the client can keep. (2) Give a written or recorded guide to the in-session strategy [synthesis]. (3) Diary: headache presence, intensity, duration, medication taken (recorded, not advised on), practice done, stressors. (4) Review the diary at the start of every session. (5) If a home biofeedback device is used, agree how; Schwartz & Andrasik ch. 9 is the book's chapter on consumer and home-based biofeedback [uncertain].
Example language (illustrative): "The sessions here teach the skill; the daily practice is what makes it yours."
Watch for: Practice skipped or done only when in pain; diary gaps (see section 5). Working: practice logged most days; headache days falling.

4.11 Self-control trials without feedback

Purpose / when: Once the client can lower readings with feedback; then in every later session.
Steps: (1) Run a trial with the display hidden or sound off while still recording. (2) Compare with feedback trials. (3) Alternate feedback and no-feedback trials, increasing the proportion without [synthesis]. (4) Discuss what the client did differently when it worked.
Example language (illustrative): "This time I'll switch the sound off but keep recording. Do exactly what you did before, and we'll see how close you get."
Watch for: Control that vanishes without feedback, as in the paediatric CNV study cited by Andrasik (2010). Working: no-feedback levels close to feedback levels.

4.12 Generalisation to posture, movement and daily stressors

Purpose / when: Phase 4.
Steps: (1) Repeat training with eyes open, sitting upright, then standing or at a simulated desk or screen task. (2) Add an in-session stressor and train recovery. (3) Teach a brief cue (a breath out plus a forehead or shoulder release) linked to daily prompts (phone, doorways, before meetings). (4) Plan use at the first sign of a headache [synthesis throughout; Middaugh's chapter on work-related musculoskeletal disorders, ch. 36, is the book's chapter on workplace problems].
Example language (illustrative): "Let's try this while you type, because that's when your shoulders creep up."
Watch for: Tension returning with movement or concentration. Working: client reports catching and releasing tension during the day.

4.13 Cognitive-behavioural stress coping alongside feedback

Purpose / when: When stress, worry, perfectionism or overwork drive headaches; Andrasik (2010) describes biofeedback commonly combined with cognitive and behavioural stress coping; Hamiel & Rolnick (ch. 11) is the book's chapter on the combination.
Steps: (1) Use the diary to link headaches with situations and thoughts. (2) Use the display to show the body's response when the client recalls a stressor, and its recovery. (3) Add problem-solving, pacing, assertiveness or cognitive restructuring as indicated [synthesis].
Example language (illustrative): "Watch the line while you think about Monday's meeting… now let's see how quickly you can bring it back."
Watch for: Insight without practice. Working: fewer stress-linked headaches; faster recovery on the display.

4.14 Progress monitoring

Purpose / when: Every session; formal review about every four sessions [synthesis].
Steps: (1) Track session readings (baseline, best, no-feedback trial). (2) Track the clinical outcome from the diary (headache activity and medication use were the outcomes Budzynski et al. reported). (3) Track secondary outcomes where relevant (anxiety, depression, self-efficacy, which Andrasik notes improve). (4) Review with the client and adjust site, strategy or plan.
Example language (illustrative): "Your readings are lower and your headache days are down from five to two a week. What do you think has helped most?"
Watch for: Readings improving without headache change, or the reverse; either prompts review (section 5). Working: diary outcomes moving in the agreed direction.

4.15 Ending, relapse prevention and boosters

Purpose / when: Phase 5.
Steps: (1) Space the last sessions out. (2) Write a relapse plan: early warning signs, the brief cue, the daily practice, when to contact the GP or come back. (3) Offer a follow-up or booster; Andrasik (2010) reports effects lasting with or without boosters. (4) Send a summary to the referrer. (5) Discuss non-response openly if the goal was not met and plan alternatives with the physician [synthesis].
Example language (illustrative): "You now have the skill without the machine. Let's write down what you'll do if the headaches start creeping back."
Watch for: Dependence on sessions. Working: client manages a stressful period without increasing headaches.

4.16 Collaboration and referral

Purpose / when: Throughout.
Steps: (1) Keep the physician informed of progress and of reported medication use; route any medication question to the prescriber. (2) Refer jaw pain to a dentist/TMD specialist, movement or weakness problems to physiotherapy (neuromuscular re-education, ch. 31) and continence problems to pelvic-floor specialists (ch. 32) [source: Guilford contents for the specialities; referral wording synthesis]. (3) Refer back medically if the headache pattern changes.
Example language (illustrative): "That's a question for your GP. I can let them know what you've told me about how often you're taking tablets."
Watch for: Any new neurological symptoms. Working: shared plan with the medical team.

4.17 Single-motor-unit training (Basmajian): what it is and the psychotherapist's role

Purpose / when: A research and rehabilitation method showing voluntary control of individual motor units; relevant to psychotherapists mainly when a client in neuro-rehabilitation receives EMG feedback training from a rehabilitation team.
How it is delivered (descriptive only): Indwelling wire electrodes record motor-unit potentials; the subject hears them on a loudspeaker and sees them on a screen, learns to isolate one unit from muscle silence, fire it slowly and regularly, then faster, and in skilled subjects in rhythms; encouragement and guidance from the trainer helped naive subjects [source: Basmajian retrospective]. A 2021 study (Bräcklein et al., bioRxiv preprint; later published) concluded that in isometric tasks control was constrained by common input to the motor-unit pool and rarely amounted to independent control of single units, questioning stronger claims [source: bioRxiv 2021].
Psychotherapist's role: Do not perform it. Support motivation and frustration tolerance during repetitive training, address fear and low mood after neurological injury, and coordinate with the rehabilitation team [synthesis].
Example language (illustrative): "Your physio's sessions are teaching your muscles a very fine skill. What gets in the way of practising between them?"
Watch for: Discouragement, catastrophic thinking about recovery. Working: sustained engagement with the rehabilitation plan.

4.18 Getting qualified: the BCIA certification route

Purpose / when: Before offering biofeedback independently. BCIA's entry-level requirements for general biofeedback certification, as BCIA publishes them (checked October 2026; confirm current terms on bcia.org) [source: BCIA, BF Entry Level]:
Steps: (1) Hold at least a bachelor's degree in a BCIA-approved health-care field from a regionally accredited institution. To treat diagnosed medical or psychological disorders you need a current licence or credential in an approved field (the licensed designation); without one you may treat only under the legal supervision of an appropriately credentialed professional with biofeedback training. A performance-only designation covers peak/optimal-performance work and does not allow independent work with anyone who has a diagnosed disorder; outside the US and Canada a government-issued clinical licence is required. Those without a qualifying degree can take the technician level, working under the legal supervision of a licensed BCIA-certified provider. (2) Complete 42 hours of didactic education covering every topic in the BCIA Blueprint of Knowledge, from a BCIA-accredited didactic training programme. (3) Complete a separate course in human anatomy, physiology or biology covering the organisation of the body and all 11 systems. (4) Mentoring with BCIA-approved mentor(s): 20 contact hours, 2 of them face-to-face; 10 self-regulation sessions with you as the client; 50 client sessions (10 each of thermal, EMG and HRV, the other 20 in any mix of EMG, thermal, skin conductance, HRV and respiration); and 10 case studies taking a client from intake and protocol selection through discharge. The mentor signs off the Essential Skills List in the BCIA Biofeedback Mentoring Handbook; equipment or technical-support time does not count, and up to five BCIA mentoring webinars may count towards hours and case studies. (5) Apply, agree to BCIA's Professional Standards and Ethical Principles, pay the fees (BCIA listed, in October 2026, a $150 filing fee, a $300 certification fee and a $300 exam fee plus $20 to the proctor), and pass the online-proctored written exam (about 100 multiple-choice items, 3 hours); BCIA recommends sitting the exam last [source: BCIA, BF Entry Level]. (6) Recertify by completing 48 accredited continuing-education hours related to the Blueprint, at least 10 specific to biofeedback and 3 on ethics or professional standards, before applying, or by retaking the written exam [source: BCIA, Biofeedback Recertification]; BioSource describes a 4-year cycle [source: BioSource; uncertain: cycle length not stated on the BCIA page]. AAPB's efficacy ratings are summarised under Evidence status below [uncertain: via secondary pages]. Ethics: Striefel's chapter (ch. 17) is the book's chapter on ethical practice.
Watch for: Practising beyond training in specialist areas (pelvic floor, neuromuscular) that have their own pathways [synthesis].
Example language (illustrative): "I can tell you about my biofeedback training, certification and supervision, so you know who is working with you." [synthesis]

5. Handling problems

Schwartz, Schwartz & Monastra's chapter on problems with relaxation and biofeedback (ch. 16) and Rains & Schwartz on adherence (ch. 15) are the book's treatments of these topics; the responses below are [synthesis] unless tagged.

No change in readings (stuck). Check signal quality and artefact first; check the site matches where the client feels tension; make goals easier; try another strategy or display; reduce effort ("let it happen") [synthesis]. If still flat after several sessions, review the formulation with the client and referrer.
Readings improve, headaches don't. Review diagnosis and medication use with the physician (Andrasik 2010 notes chronic, medication-overuse, post-traumatic and cluster headache respond minimally to biofeedback alone); look at sleep, mood and stress; add cognitive-behavioural work (4.13); consider whether a different site or a different biofeedback modality is relevant, through your training and the physician [synthesis].
Headaches improve, readings don't. Accept the clinical gain; it may reflect better coping and self-efficacy rather than EMG change [synthesis; mechanism uncertain].
Trying too hard. Readings rise as the client strains. Name it, shorten trials, use eyes-closed tone feedback, and model passive attention as Basmajian's subjects simply "concentrate their attention" [synthesis using Basmajian retrospective].
Relaxation-induced anxiety or overwhelm. Some clients feel panic, loss of control, intrusive memories or dizziness when relaxing. Keep eyes open, shorten trials, give the client control of the pace, use grounding, avoid over-breathing, and for trauma histories pace the work and consider trauma-focused care first [synthesis].
Non-adherence to home practice. Explore barriers; shrink the task; link it to a daily routine; use reminders; review the diary every session without blame; tie practice to the client's own goals [synthesis].
Feedback dependence. Client manages only on the machine. Increase no-feedback trials, add brief real-life cues, and space sessions [synthesis; see Andrasik 2010 on control lost without feedback in a paediatric EEG study].
"The machine is treating me" / disappointment with technology. Return to the mirror rationale; credit the client's skill; avoid overselling [synthesis].
Rupture over numbers. A client may feel judged by readings. Normalise variation, focus on trends and on the diary, and invite feedback on the session [synthesis].
Skin reaction or sensor discomfort. Stop, note it, change sensor type or site as your device manual allows, and advise medical review for persistent reactions [synthesis].
Medication questions or changes. Do not advise. Record and pass to the prescriber [synthesis].
New or changing headache, neurological symptoms. Pause training and refer for prompt medical assessment [synthesis].
Low mood or suicidality emerging. Assess using standard risk practice, make a safety plan and involve the GP; biofeedback continues only if it fits the revised plan [synthesis].
Children. Paediatric applications have their own chapter (Culbert & Banez, ch. 35); involve parents in home practice and keep sessions short [synthesis].
Clients wanting single-motor-unit or other specialist training. Explain it is a rehabilitation/electrodiagnostic procedure using indwelling electrodes and refer to the appropriate team [source: Basmajian retrospective for the method; synthesis for the referral].

Evidence status and limits (for informed consent)

Tension-type headache. The EFNS task force guideline (European Journal of Neurology, 2010) states that non-drug management should always be considered although the scientific basis is limited, that "Electromyography (EMG) biofeedback has a documented effect in TTH", and that CBT and relaxation training are most likely effective [source: QxMD record of EFNS 2010]. Andrasik (2010), summarising Nestoriuc et al.'s (2008) meta-analyses, reports medium-to-large effects of biofeedback for TTH against waiting list and medium effects against placebo, with gains in anxiety, depression and self-efficacy [source: Andrasik 2010].
Migraine. The US Headache Consortium (2000) gave Grade A to relaxation training, thermal biofeedback with relaxation, EMG biofeedback and CBT for migraine prevention, but found insufficient information to say which treatment suits which patient [source: Andrasik 2010].
Limits. Andrasik writes that biofeedback "fails to bring significant relief to a sizeable number" of headache patients, and that chronic headache, menstrual-related headache, medication overuse, post-traumatic headache and cluster headache showed minimal response to biofeedback alone [source: Andrasik 2010]. The founding 1973 trial was small and rated 2/10 on the PEDro scale [source: PEDro 19300].
NICE. NICE's chronic primary pain guideline (2021) says not to offer biofeedback for chronic primary pain [source: RheumNow, Cush 2021, linking NICE NG193]. NICE's headache guideline (CG150) makes no treatment recommendation about biofeedback, relaxation or psychological therapy for tension-type headache or migraine. For chronic tension-type headache its only preventive recommendation is to consider a course of acupuncture. Research recommendation 4 calls for a pragmatic RCT of a psychological intervention against an active control in chronic headache disorders, noting that such interventions are widely recommended for chronic pain but have few supporting data in chronic headache [source: Medthority reproduction of NICE CG150] [uncertain: secondary reproduction; confirm on nice.org.uk]. Whether a given headache falls within NG193's scope should be checked before citing NG193 to a client [uncertain].
Single-motor-unit control. Basmajian reports fine voluntary control of single units [source: Basmajian retrospective]; Bräcklein et al. (2021) argue that true independent control of single units is very hard for the nervous system [source: bioRxiv 2021].

AAPB efficacy ratings. AAPB's Evidence-Based Practice in Biofeedback and Neurofeedback rates conditions on five levels, from 1 ("not empirically supported") to 5 ("efficacious and specific": superior to a credible sham or a bona fide alternative in at least two independent settings). Adult headache is level 4 ("efficacious") both in Yucha & Gilbert (2004) and in the ratings BioSource attributes to the 4th edition (Khazan, Shaffer, Moss, Lyle & Rosenthal, 2023). Temporomandibular disorders are level 4 in both. Paediatric migraine was level 3 in 2004. Chronic pain as a whole was level 3 in 2004; the 2023 list gives low back pain level 4 and work-related pain level 3. Stroke went from level 2 (2004) to level 4 (2023). Anxiety was level 4 in 2004; in 2023 GAD is level 4 and panic disorder level 5. The ratings are given by condition, not by modality, so they do not single out EMG feedback [source: Applied Neuroscience Society of Australasia page quoting Yucha & Gilbert 2004; BioSource Biofeedback Efficacy page].

Sources

Web pages:

Books and papers cited (details as given in the pages above):

Budzynski, T. H., Stoyva, J. M., Adler, C. S., & Mullaney, D. J. (1973). EMG biofeedback and tension headache: a controlled outcome study. Psychosomatic Medicine, 35(6), 484–496.
Budzynski, T. H., & Stoyva, J. M. (1969). An instrument for producing deep muscle relaxation by means of analog information feedback. Journal of Applied Behavior Analysis, 2, 231–237.
Budzynski, T. H., Stoyva, J. M., & Adler, C. S. (1970). Feedback-induced muscle relaxation: application to tension headache. Journal of Behavior Therapy and Experimental Psychiatry, 1, 205–211.
Budzynski, T. H., & Stoyva, J. M. (1973). An electromyographic feedback technique for teaching voluntary relaxation of the masseter. Journal of Dental Research, 52, 116–119.
Basmajian, J. V. (1983). Biofeedback: Principles and Practice for Clinicians. Baltimore: Williams & Wilkins.
Schwartz, M. S., & Andrasik, F. (Eds.) (2016). Biofeedback: A Practitioner's Guide (4th ed.). New York: Guilford Press.
Basmajian's 1963 Science paper on motor-unit training (details not verified) [uncertain].
Yucha, C., & Gilbert, C. (2004). Evidence-Based Practice in Biofeedback and Neurofeedback. Colorado Springs, CO: AAPB.
Khazan, I., Shaffer, F., Moss, D., Lyle, R., & Rosenthal, S. (2023). Evidence-Based Practice in Biofeedback and Neurofeedback (4th ed.). AAPB.

← Previous · IX-036Sleep-phase advance Next · IX-038 →Thermal and autogenic biofeedback (Green, Sargent, Menninger)