• Clin Anat · Sep 2011

    An anatomic study of the quadratus plantae in relation to tendinous slips of the flexor hallucis longus for gait analysis.

    • Mi-Sun Hur, Jae-Hyoun Kim, Jung-Su Woo, Byoung-Young Choi, Hee-Jin Kim, and Kyu-Seok Lee.
    • Department of Anatomy, Kwandong University College of Medicine, Gangneung, Korea.
    • Clin Anat. 2011 Sep 1; 24 (6): 768-73.

    AbstractThe aim of this study was to demonstrate the morphology of the quadratus plantae (QP) in relation to the tendinous slips of the flexor hallucis longus (FHL) and their surrounding structures, thereby providing data to understand function of the QP during gait, and for analyzing the movements of the foot and designing postoperative rehabilitation programs. The QP was investigated in 50 specimens of embalmed adult cadavers. The QP inserted into the tendon of the flexor digitorum longus (FDL) and the tendinous slips of the FHL in 96%, and only to the tendon of the FDL in 4%. The tendinous slip of the FHL targeted the tendon for the second toe in 4 of the 50 specimens (8%). The tendinous slip divided into two separate slips to the tendons for the second and third toes in 32 specimens (64%), and for the second, third, and fourth toes in 14 specimens (28%). Thus, the tendon and tendinous slips of the FHL may distribute the load of the great toe to the second toe to the third or fourth toe in the forefoot, especially during toe-off. In addition, the main attachment of the QP to the tendinous slips of the FHL may provide more efficient control of the long flexor tendons in comparison with that of the QP to the tendon of the FDL.Copyright © 2011 Wiley-Liss, Inc.

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