International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Case Studies | Anatomy and Histology | India | Volume 12 Issue 5, May 2023

An Unusual Additional Flexor Digitorum Profundus Muscle to the Index Finger and its Clinical Significance

Kalaiselvi .C [3] | Girijakumari .K [3]

Abstract: The flexor digitorum profundus is the deep flexor muscle of the forearm. It is a composite muscle with a dual nerve supply. The medial half of muscle is supplied by the ulnar nerve, and lateral half of the muscle is supplied by the anterior interosseous nerve, a branch of the median nerve. It flexes the distal phalanges of the medial four digits. During routine dissection of a 70 - year - old male cadaver allotted for the undergraduate students of the 2020 - 2021 batch in the department of anatomy, Sree Mookambika Institute of Medical Sciences, Kulasekharam, we observed the presence of extensive cleavage of belly and tendon of flexor digitorum profundus to form flexor indicis profundus on the right side in an adult male cadaver. The flexor indicis profundus muscle belongs to the progressive type of variation. Such variations are usually asymptomatic. Sometimes, it may cause compression of the anterior interosseous nerve, which can lead to compression neuropathy. If it is enlarged, it may simulate a ganglion.

Keywords: Flexor digitorum profundus muscle, flexor indicis profundus muscle, anterior interosseous nerve, compression neuropathy, ganglion.

Edition: Volume 12 Issue 5, May 2023,

Pages: 891 - 892

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