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Left/right limb judgement task performance following total knee replacement.

Crystal A Rosser1, T David Punt2, Cormac G Ryan3

  • 1South Tees Hospitals NHS Foundation Trust, Redcar Physiotherapy Department, Redcar, UK.

Journal of Back and Musculoskeletal Rehabilitation
|August 29, 2018
PubMed
Summary
This summary is machine-generated.

Total Knee Replacement (TKR) patients

Keywords:
Total knee replacementimplicit motor imageryworking body schema

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Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Biomechanics

Background:

  • The working body schema (WBS) is crucial for limb function.
  • Left/right limb judgement (LRLJ) tasks may indirectly assess WBS.
  • Understanding WBS changes post-Total Knee Replacement (TKR) is important for rehabilitation.

Purpose of the Study:

  • To determine if TKR patients use their WBS during LRLJ tasks.
  • To investigate WBS disruption in the replaced knee compared to the contralateral limb.
  • To assess changes in lower limb LRLJ performance post-rehabilitation, using upper limb performance as a control.

Main Methods:

  • 18 TKR patients (<1 month post-surgery) performed upper and lower limb LRLJ tasks.
  • Tasks were completed before and after a rehabilitation program.
  • Accuracy and response time (RT) were analyzed using ANOVAs.

Main Results:

  • LRLJ performance for operated vs. non-operated limbs was comparable.
  • Hand image accuracy remained stable, but foot image accuracy significantly improved post-rehabilitation.
  • Awkward postures elicited slower responses than natural postures.

Conclusions:

  • TKR patients' LRLJ performance aligns with typical motor imagery.
  • No evidence of disrupted WBS in the replaced knee was found.
  • Improved lower limb LRLJ performance post-rehabilitation suggests WBS enhancement, potentially aiding clinical recovery.