FND Education Project

REFERENCE · RECOVERY TECHNIQUE

Position and Gravity Change for Functional Dystonia

Most likely fit: The posture or available movement changes when the person lies, rolls, sits, leans on a surface, turns the limb, or moves from supported to unsupported positions. The technique uses the position in which active movement is most available and progresses toward the position needed for daily life. [Clinical consensus]

Not the same as: Keeping somebody in bed, repeatedly testing every position, pushing through an anatomical end range, or concluding that variation with gravity proves the diagnosis. Position is a treatment variable after appropriate assessment.

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

Moving a body part upward against gravity demands more work than sliding it across a supported surface. Standing also adds balance, fear of falling and pressure through the feet. If a posture eases or movement becomes available in a less demanding position, that position can be used as a bridge—not as a permanent retreat from activity.

For example, a foot held down and inward during standing may move more easily while sitting with the sole supported on a ball or sloped surface. A wrist held flexed may open slightly when the forearm is supported and the hand slides toward an object. A neck that pulls while upright may find a smaller, comfortable rotation in a semi-reclined position. The best starting position is individual.

Anatomy in everyday language

Proximal means closer to the trunk, such as the shoulder or hip; distal means farther away, such as the fingers or toes. Proximal support can reduce the work demanded from distal muscles. The base of support is the area holding the body—feet on the floor, pelvis on a chair, or trunk on a bed. A larger, stable base can reduce balance demands.

End range is the farthest available position of a joint. A fixed foot held in plantarflexion and inversion is pointed downward and turned inward; a hand at end-range flexion is strongly bent toward the palm. Remaining at end range can stress skin, tendons and joints. The aim is a tolerable position away from sustained end range where possible, not a forced neutral alignment.

A position-ladder exercise

Work with a therapist to identify:

  1. the functional movement you want, such as bringing the hand to a cup or placing the foot for standing;
  2. the position where a small part of that movement is easiest;
  3. the exact support, surface and cue that make it reproducible; and
  4. the next slightly more demanding position.

Practise briefly in the easiest position. When the movement is reasonably repeatable, change one feature: raise the surface, use a little less support, sit more upright, or add a small amount of load. If the posture tightens, pain rises or movement disappears, return to the last workable setup. That is dose adjustment, not going backward.

Do not repeatedly sweep a painful joint through its full range. Seek reassessment for a hard mechanical block, progressive loss of range, swelling, new neurological symptoms, circulation change or injury.

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

Help reproduce the therapist’s setup: chair height, foot surface, pillow placement or table position may matter. Let the person generate the movement. Moving the limb for them changes the task and can provoke guarding.

Avoid comments such as “you could do it lying down, so you should be able to do it standing.” Standing requires different postural control, loading and confidence. Instead, help record the useful detail: “the heel stayed supported for two minutes while seated, and pain remained settled.” Do not advance to a harder position unless that progression has been agreed.

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 biomechanical description

Map posture and active movement in at least two safe positions when clinically relevant. Distinguish change due to gravitational torque, altered base of support, mechanical contact, pain, fear, attentional focus or task context. Variation can guide treatment but is not a standalone diagnostic sign.

Describe motion at each contributing joint. For lower-limb practice, consider pelvic rotation, hip flexion/extension and internal/external rotation, knee flexion/extension, talocrural motion, subtalar position and forefoot/toe contact. For the upper limb, consider scapular setting, humeral rotation, elbow/forearm position, wrist angle and digital contact. For cervical practice, assess rotation, lateral flexion, flexion/extension and translation while screening vascular, neurological and musculoskeletal red flags.

Explicit procedure

  1. Choose one activity and identify its essential segmental movement.
  2. Establish the person’s comfortable active and passive range, pain, skin status and neurovascular safety.
  3. Test a small number of positions: gravity-eliminated, gravity-minimized, supported upright and functional upright as appropriate.
  4. Select the setup with the clearest active movement or least harmful effort. Explain the change without implying voluntariness.
  5. Use an external target or task outcome rather than repeated joint-by-joint correction.
  6. Repeat only enough to confirm a reproducible entry point.
  7. Progress one variable: gravitational demand, lever length, base of support, range, load, speed or task complexity.
  8. End with transfer into a meaningful activity and document a regression option.

For example, progress lower-limb control from supported sitting with foot contact, to forward weight shift in sitting, to sit-to-stand with upper-limb support, to supported standing, then to a task-linked step. Progress an upper limb from forearm sliding on a table to reaching with partial support and then to handling an object in upright sitting.

Dosing and outcomes

Use brief, successful practice rather than prolonged correction. Track active range within the task, time at a tolerable alignment, assistance, pain during and after practice, delayed flare, and transfer to dressing, reaching, standing or walking. If the person can move in one position but not another, treat the difference as a progression problem rather than a test of credibility.

Consensus and functional-dystonia reviews describe changing posture relative to gravity, avoiding prolonged end range, and building movement from positions where it is available. The technique has not been isolated in a controlled functional-dystonia trial. [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] 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
[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] 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

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 —