FND Education Project

REFERENCE · RECOVERY TECHNIQUE

Pain, Skin, Joint-Range and Contracture Management for Functional Dystonia

Most likely fit: Pain, swelling, pressure, skin injury, loss of passive range or structural shortening has become a separate barrier to hygiene, positioning, sleep, movement or participation. Management is directed at the identified complication, even when functional dystonia remains present. [Clinical consensus; management must follow the identified complication]

Not the same as: Calling every painful fixed posture a contracture, dismissing complications because the movement is functional, or using force to restore range. New acute pain, neurovascular change or injury requires medical assessment.

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Why complications need their own plan

A posture can be produced mainly by active muscle contraction, but over time the tissues around a joint can also become shortened or injured. Skin can be trapped in a clenched palm, toes can press against one another, or a heel or elbow can carry prolonged pressure. Pain may come from more than one source. These problems are real and deserve treatment; their presence does not cancel the functional diagnosis.

This page is about protecting health and preserving useful options. Sometimes the immediate priority is skin care, pain assessment or maintaining the range needed for hygiene—not changing the visible posture.

Anatomy in everyday language

A contracture is persistent shortening or structural restriction in muscles, tendons, joint capsule or other soft tissue that limits passive movement. Passive range is how far a joint can be moved by another person without your muscles actively moving it. A body part may feel fixed because muscles are strongly active, because tissues are mechanically shortened, or both.

Skin over bony areas such as the heel, ankle, elbow and knuckles is vulnerable to pressure. Moisture and friction can damage skin between flexed fingers or toes. A tightly plantarflexed ankle means the foot points down; inversion turns the sole inward. A clenched hand may combine flexion at the wrist, knuckles and finger joints, creating different pressure and hygiene problems.

Practical protection

Follow an individual plan for:

  • checking skin in difficult-to-see areas;
  • keeping skin clean and dry without forcing joints;
  • changing support or position often enough to reduce pressure;
  • using the comfortable active range that remains;
  • treating pain according to its assessed cause; and
  • reviewing changes in swelling, circulation, temperature or range.

Do not ask an untrained supporter to stretch a fixed limb. Seek urgent or timely care according to local guidance for a cold, pale or blue limb; loss of pulse; new severe swelling; suspected infection; open wound; injury; rapidly escalating pain; new neurological symptoms; or new difficulty breathing or swallowing.

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Help with skin inspection, hygiene and pressure relief only as agreed and with consent. Use adequate light and check areas where nails, fingers, toes, footwear, fabric or equipment press. Do not insert an object into a clenched hand or between toes if doing so requires force.

Report changes factually: location, colour, swelling, wound, pain, temperature and when the change began. Do not assume new pain or loss of range is the usual FND pattern. A complication can develop even when the original diagnosis is correct.

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Differential assessment

Characterize pain using location, quality, timing, mechanical and neuropathic features, sensitization, autonomic change and functional impact. Examine skin, oedema, perfusion, temperature, nails, trophic change, peripheral nerves, joints and relevant central neurological findings. Consider complex regional pain syndrome using established criteria where indicated; do not infer it from pain plus dystonia alone.

For each restricted joint, compare active and passive range and document pain, end feel, velocity dependence and change with position, task, distraction, anaesthesia where independently indicated, or supported relaxation. Distinguish active dystonic posturing from capsular restriction, tendon/muscle shortening, joint deformity, spasticity, rigidity and pain-limited movement. Imaging, orthopaedic or other specialist review may be required by the findings.

Explicit management framework

  1. Identify the immediate tissue, joint or pain risk and define the purpose of intervention.
  2. Establish baseline skin, neurovascular status, active/passive range, pain, hygiene access, sleep and participation.
  3. Remove avoidable pressure, shear, moisture or unsafe handling.
  4. Select comfortable active movement and positioning within tissue tolerance. Use passive movement only when indicated, consented and non-forceful.
  5. Treat a confirmed pain, skin, inflammatory, musculoskeletal or neuropathic condition according to its own standards of care.
  6. Coordinate equipment only when it advances the defined protection or function goal.
  7. Reassess range, skin and pain at a frequency matched to risk.
  8. Return to active functional retraining when safe; do not wait for complete symptom resolution if meaningful participation can be supported.

Aggressive passive stretching may increase contraction and pain in functional dystonia. Conversely, avoiding all movement indefinitely may contribute to secondary restriction. The plan must balance tissue protection, tolerable range, active use and the person’s goals.

Measures and evidence boundary

Measure skin integrity, pressure duration, passive and active range by defined method, pain and analgesic burden, hygiene access, sleep, positioning tolerance, task participation and delayed response. State separately whether the target is pain, tissue protection, range preservation, restoration or motor retraining.

Functional-dystonia reviews recognize pain, complex regional pain syndrome and secondary contracture, while consensus cautions against forceful passive correction. Evidence does not supply one complication protocol for every phenotype. [1][2][3][4]

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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] 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
[3] 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
[4] Steinruecke M, Mason I, Keen M, McWhirter L, Carson AJ, Stone J, Hoeritzauer I. Pain and functional neurological disorder: a systematic review and meta-analysis. Journal of Neurology, Neurosurgery & Psychiatry. 2024;95(9):874–885. FND-CIT-0015. https://doi.org/10.1136/jnnp-2023-332810

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
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