FND Education Project

REFERENCE · RECOVERY TECHNIQUE

Splint, Orthosis, Footwear and Mobility-Equipment Review for Functional Dystonia

Most likely fit: Equipment is needed for a defined safety, protection or participation goal, or an existing splint, brace, shoe, walking aid, wheelchair or seating setup is painful, no longer fits, damages skin or limits useful movement. [Clinical consensus; equipment requires a defined goal and regular review]

Not the same as: Automatically avoiding all equipment, automatically prescribing it because a posture is visible, forcing a limb into a rigid device, or promising that every aid will be temporary. Some people need longer-term access support even while rehabilitation continues.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —

For the Person With FND

What this technique does

Equipment should solve a named problem. A soft or custom device might protect skin or make hygiene possible. Footwear may distribute pressure and make standing safer. A walking aid may support a necessary transfer or community access. Seating may reduce pressure and allow school, work or family participation.

The same device can also have disadvantages: pain, pressure, reduced movement, reliance, falls, shoulder strain or exclusion from an activity. Review is therefore part of the treatment, not an afterthought. The right outcome may be modification, a different device, planned weaning, intermittent use or continuing use.

Anatomy in everyday language

An orthosis is a device worn to support or influence a body part; a splint is one type. Devices apply forces across skin, soft tissue and joints. A rigid ankle-foot orthosis, for example, affects the ankle and foot but can also change forces at the knee, hip and trunk. A hand splint affects the wrist, knuckles and finger joints and may create pressure where the hand is tightly flexed.

Three-point pressure systems, straps and edges can concentrate force. Reduced sensation, swelling, sweating, fragile skin and a changing posture increase risk. A technically “neutral” device is not safe if the joint cannot reach that position comfortably.

Questions for every device

  • What exact problem is it solving?
  • When and where should it be used?
  • How is skin checked?
  • Does it improve the activity it was chosen for?
  • Does it create pain, pressure, falls or loss of useful movement?
  • Who will review fit and when?
  • Is the plan to modify, continue, reduce or stop it—and what would trigger that decision?

Do not copy a brace or splint from the internet. Stop using a device and seek prompt advice if it causes persistent redness, broken skin, new numbness, circulation change, rapidly increasing pain, swelling or unsafe movement. Follow the clinician’s plan for temporary redness and wear-time progression.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —

For Family, Friends, and Other Supporters

Learn the exact fitting, fastening, wear and skin-check procedure. Never tighten straps to make the posture look straighter. Do not use the device as restraint or leave it on longer than prescribed.

Help record function: safer bathroom access, reduced pressure, easier hygiene, distance travelled or participation restored. Also report harms and delayed effects. Do not remove a mobility aid to encourage recovery unless the treating clinician and person have agreed on a safe trial.

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —

For Clinicians and the Care Team

Selection and prescription boundary

Define whether the device targets tissue protection, range preservation, hygiene, transfer safety, gait, energy conservation, seating, school/work access or community participation. Assess active and passive range, end feel, skin and sensation, oedema, neurovascular status, pain, strength, balance, cognition, environment and expected pattern variability.

Functional-dystonia guidance generally discourages indiscriminate orthoses and adaptive equipment because they may focus attention on dysfunction or promote non-use. It also recognizes judicious use for joint protection, safe discharge or ambulation. Apply that caution individually; it does not justify withholding access or safety equipment from a person with persistent disability.

Explicit review procedure

  1. State the device, target activity and measurable goal.
  2. Record baseline skin, range, pain, assistance, falls and participation.
  3. Confirm the posture can be accommodated without forced correction.
  4. Fit and align the device across relevant joints. For an ankle-foot orthosis, examine foot contact, ankle angle, knee moment and proximal compensation. For a hand orthosis, examine wrist, metacarpophalangeal and interphalangeal alignment plus palm and web-space pressure.
  5. Trial the actual task in the actual environment where possible.
  6. Teach donning, doffing, skin checks, wear schedule, cleaning and stopping rules in accessible language.
  7. Record immediate and delayed effects, including pain, fatigue and symptom attention.
  8. Set a review date and explicit criteria for modification, weaning or continuing use.

Mobility aids require height, gait and upper-limb-load assessment. Wheelchair or seating prescription requires pressure management, pelvic/trunk support, transfers, propulsion or caregiver handling, transport and participation goals. “Temporary” should not become indefinite without review, and “long term” should not mean rehabilitation ends.

Measures and evidence boundary

Measure the goal the device was selected to change: skin protection, wear tolerance, range, transfer assistance, falls, walking distance, pain, fatigue, independence or participation. Include adverse effects and whether the device expands or narrows activity.

Consensus and focused review provide cautionary principles, not a trial-derived rule that equipment must always be avoided or rapidly removed. The correct balance between movement retraining, safety and access requires shared review. [1][2][3]

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —

Research and Sources

Citation Full citation
[1] Frucht L, Perez DL, Callahan J, et al. Functional dystonia: differentiation from primary dystonia and multidisciplinary treatments. Frontiers in Neurology. 2021;11:605262. FND-CIT-0021. https://doi.org/10.3389/fneur.2020.605262
[2] Nicholson C, Edwards MJ, Carson AJ, et al. Occupational therapy consensus recommendations for functional neurological disorder. Journal of Neurology, Neurosurgery & Psychiatry. 2020;91(10):1037–1045. FND-CIT-0011. https://doi.org/10.1136/jnnp-2019-322281
[3] Nielsen G, Stone J, Matthews A, et al. Physiotherapy for functional motor disorders: a consensus recommendation. Journal of Neurology, Neurosurgery & Psychiatry. 2015;86(10):1113–1119. FND-CIT-0028. https://doi.org/10.1136/jnnp-2014-309255

Detailed technique page created September 12, 2026 · Clinical and accessibility review pending

For the Person With FND
For Family, Friends, and Other Supporters
For Clinicians and the Care Team
Research and Sources —