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Updated: May 16, 2026

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Flexor tendon excursion and load during passive and active simulated motion: a cadaver study.

A Sapienza1, H K Yoon, R Karia

  • 1Department of Orthopaedic Surgery, NYU Langone Medical Center, New York, NY, USA.

The Journal of Hand Surgery, European Volume
|December 11, 2012
PubMed
Summary

This study quantified tendon excursion and load during hand rehabilitation exercises. Active movements and blocking positions generated higher forces and excursions, informing post-operative therapy optimization.

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Area of Science:

  • Biomechanics
  • Orthopedic Surgery
  • Rehabilitation Medicine

Background:

  • Tendon excursion and load are critical parameters in post-operative hand rehabilitation.
  • Understanding these forces is essential for designing effective therapeutic interventions.

Purpose of the Study:

  • To quantify tendon excursion and load during simulated active and passive hand rehabilitation exercises.
  • To compare forces and excursions between different active and passive motions.

Main Methods:

  • Utilized six cadaveric hand specimens.
  • Measured flexor digitorum superficialis and profundus tendon excursions using lateral fluoroscopic imaging with implanted markers.
  • Assessed ten distinct passive and active simulated hand motions.
Keywords:
Excursionflexorhandloadrehabilitation

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Last Updated: May 16, 2026

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Main Results:

  • Active movements generated significantly higher mean tendon forces than passive movements.
  • Blocking movements imposed the greatest loads on flexor tendons.
  • Active motion resulted in greater tendon excursion compared to passive motion.
  • Simulated hook-fist position yielded the highest total and inter-tendinous excursion.

Conclusions:

  • Active rehabilitation exercises and specific positions like the hook-fist generate higher tendon forces and excursions.
  • Findings provide crucial data for optimizing post-operative exercise therapy regimens to enhance patient outcomes.