Morphology and function of the semitendinosus muscle-tendon complex after harvesting its tendon for anterior cruciate ligament reconstruction

Akie Nishino, Toru Fukubayashi

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Abstract

    A considerable decrease in knee flexion strength during deep knee flexion is reported after harvesting the semitendinosus (ST) tendon for anterior cruciate ligament (ACL) reconstruction, although the peak knee flexion strength of the ST tendon-harvested limb can eventually recover almost completely. Strength deficits in deep knee flexion may influence athletic performance in sports activities that require more strength at deep knee flexion. Here we describe morphological changes in the ST as a muscle-tendon complex that may affect knee flexion strength after harvesting the ST tendon for ACL reconstruction. In conclusion, deficits in kneeflexion torque at deep knee flexion are associated with the atrophy and shortening of the ST after harvesting the ST tendon for ACL reconstruction. Maintenance of the ST morphology as a muscle-tendon complex is necessary to ensure postoperative recovery of knee-flexion torque at both shallow and deep knee flexion. We propose that patients should undergo ACL reconstructive surgery and postoperative rehabilitation appropriately to enable regeneration of the ST tendon-like structure while maintaining the morphology of the ST.

    Original languageEnglish
    Title of host publicationSports Injuries and Prevention
    PublisherSpringer Japan
    Pages267-275
    Number of pages9
    ISBN (Print)9784431553182, 9784431553175
    DOIs
    Publication statusPublished - 2015 Jan 1

    Fingerprint

    Anterior Cruciate Ligament Reconstruction
    Ligaments
    Tendons
    Muscle
    Knee
    reconstruction
    Muscles
    deficit
    surgery
    rehabilitation
    Sports
    Torque
    Reconstruction (structural)
    Reconstructive Surgical Procedures
    performance
    Hamstring Tendons
    Athletic Performance
    Patient rehabilitation
    Surgery
    Anterior Cruciate Ligament

    Keywords

    • Anterior cruciate ligament reconstruction
    • Deep knee flexion
    • Semitendinosus
    • Tendon graft harvest
    • Tendon regeneration

    ASJC Scopus subject areas

    • Medicine(all)
    • Engineering(all)
    • Social Sciences(all)

    Cite this

    Morphology and function of the semitendinosus muscle-tendon complex after harvesting its tendon for anterior cruciate ligament reconstruction. / Nishino, Akie; Fukubayashi, Toru.

    Sports Injuries and Prevention. Springer Japan, 2015. p. 267-275.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Nishino, Akie ; Fukubayashi, Toru. / Morphology and function of the semitendinosus muscle-tendon complex after harvesting its tendon for anterior cruciate ligament reconstruction. Sports Injuries and Prevention. Springer Japan, 2015. pp. 267-275
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