PWR-203 · Assistive & Restorative Technology

Prosthetic control

Prosthetic control can be learned and sustained within a fitted person-device system; benefit and risk vary by interface and user.

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Revision 7T · Full Tutorial Edition · Release manifest · Methodology · Corrections

One source of teaching truth

Canonical Power learning unit · TLU-PWR-203

With the rehabilitation team, the learner calibrates rest and active states, completes a provider-selected grasp, counts unintended activations and returns to a safe open or powered-down state.

Canonical Power page
PWR-203 · Prosthetic control
Full tutorial
Open full tutorial
Practical authority
The tutorial teaches the complete method; qualified supervision controls the specified practical parts.
Current treatment
Full supervised tutorial
Research depth
focused · 3 bound sources
Risk framing
moderate to high clinical or mobility
Capability self-practice
Qualified supervision is required for the practical method
Pathway membership
Retained external route · SP-HUB-004

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Explanation is not permission.

This dossier explains the evidence and its limits. It is not a diagnosis, personal recommendation, assessment, clearance, performance promise or training programme. Actionable teaching appears only when the canonical Power record explicitly authorises it.

Complete bounded explanation

What this power means.

Capability to develop or express prosthetic control in a declared context without inheriting broader claims.

What the current evidence supports

Prosthetic control can be learned and sustained within a fitted person-device system; benefit and risk vary by interface and user.

How to observe or measure it without overclaiming

Task success, control error, comfort, wear time, abandonment, maintenance and device-on/off daily participation. This measures the declared configured system and cannot by itself establish broad transfer, unaided ability, safety or legitimacy.

Myth

A bionic arm becomes a perfect natural limb

Metric

Task success, control error, comfort, wear time, abandonment, maintenance and device-on/off daily participation

Boundary

Report person, device/model/interface, task, assistance, failure state and comparator; the metric is not proof of unaided general capability.

Negative and limiting findings

  • One pilot kinematic measure did not improve, and a corrected implanted case series included sepsis and infection requiring explantation.
  • No cited evidence supports perfect, universal or consequence-free performance.

Claims this evidence cannot support

  • A bionic arm becomes a perfect natural limb
  • The tool or robot's output proves an unaided, universal or permanent human superpower
  • A successful laboratory task proves independent real-world or clinical capability

Individual tutorial · FULL SUPERVISED TUTORIAL

How to learn this Power now.

With the rehabilitation team, the learner calibrates rest and active states, completes a provider-selected grasp, counts unintended activations and returns to a safe open or powered-down state.

  1. Get readyObtain rehabilitation-team clearance and the device-specific training plan.
  2. Learn the method8 concrete steps teach the permitted method from start to finish.
  3. See right and wrong4 comparisons show correct or safer execution beside common wrong or riskier choices.
  4. PractiseAt later prosthetist-led visits, repeat the same rest-window, single-command, air-sequence and empty-cup order before changing any goal. Progression depends on stable electrode contact, fewer unintended activations, unchanged skin and repeatable release—not on a single fast grasp or a heavier object.
  5. Check progressUse one myoelectric row for each rest window, air sequence, foam-cup transfer and staged fault. Columns are socket/skin check, electrode contact, intended command, unintended second function, missed command, 20-centimetre transfer, drop or crush, cue level, comfort and post-doffing skin. A short device-on block cannot supply daily wear, abandonment or device-off participation; the rehabilitation team records those separately over time.

Authority boundary: Titan teaches the complete method; a qualified person controls the parts that require supervision, clearance, specialist equipment, load, dose or progression. The method is Power-specific; its actionability follows this treatment.

Open the full tutorialOpen My Power Path

Related Powers: PWR-201 · PWR-202 · PWR-204 · PWR-205

Direct evidence register

Sources that support—and limit—the claim.

Citation roles are explicit. A source may support existence or trainability while simultaneously limiting transfer, certainty, generalisation or safety.

  1. Primary empirical supportLimiting / contrary
    Self-Contained Neuromusculoskeletal Arm Prostheses

    Max Ortiz-Catalan; Enzo Mastinu; Paolo Sassu; Oskar Aszmann; Rickard Brånemark · 2020 · Primary research

  2. Primary empirical supportLimiting / contrary
    The efficacy of robot-assisted training for patients with upper limb amputations who use myoelectric prostheses: a randomized controlled pilot study

    Tuğba Aydin; Fatma Nur Kesiktaş; Yusuf Doğan Akbulut; Mustafa Çorum; Kadriye Öneş; Taha Kizilkurt; Nazli Derya Buğdayci; Ilhan Karacan · 2022 · Primary research

  3. Limiting / contraryOfficial boundary context
    Global report on assistive technology

    World Health Organization; United Nations Children's Fund · 2022 · Official authority

Current teaching and evidence boundary

The next gate remains visible.

External confirmation is required before higher-authority use because: a clinical, high-risk or regulated configuration; a supervision or non-attempt boundary; cultural, community-rights or affected-person authority; a restricted safety or legitimacy boundary.

A Power-specific tutorial is available at /tutorials/pwr-203/. It contains a plain-English method, 8 ordered steps, a worked example, right-versus-wrong comparisons, specific mistakes and corrections, practice, measurement, accessibility, stopping rules and evidence. Its supervised mode remains controlling.