Study of Accessory Head of Flexor Pollicis Longus in South Indian Population
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 5
Abstract
Background and Aim: Flexor pollicis longus (FPL) is one of the deep muscles of the flexor compartment of forearm, which is comparatively a recent acquisition in the evolution of upper limb muscle. According to literatures accessory head of FPL (AHFPL) is be found in more than 50% of individuals worldwide. The present study is taken with the aim to show the incidence, morphology, relation of AHFPL with median and anterior interosseous nerve in south Indian population. Materials and methods: The study was carried out in 50 upper limb of 25 cadavers in the Department of Anatomy, Madurai Medical college. Dissection was done by volar incision from the distal arm extending into the palm. Results: AHFPL was found in 12 cadavers (48% ), out of which it was bilateral in 10 cadavers (40%) and unilateral in 2 cadavers(8%). All AHFPL originated from the medial epicondyle of humerus and inserted into the Proximal 1/3 of FPL tendon. The average length of muscle belly of AHFPL was 6.05 cms and that of the tendon was found to be 3.12 cms bilateraly. Majority (90.9%) of the AHFPL were supplied by Anterior interosseous nerve. AHFPL was found between Median nerve and AIN in all the cases. Conclusion: Anatomical Knowledge of AHFPL is useful for the diagnosis and surgical intervention of nerve entrapment syndromes like anterior interosseous nerve syndrome
Authors and Affiliations
Dr. S. Bharathi Rani, Dr. N. S. Sunitha, Dr. J. Karpagajothi
Keywords
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- EP ID EP595895
- DOI 10.9790/0853-1605013640.
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