Flexor Carpi Ulnaris
Flexor Digitorum Superficialis Muscle
Attachments of the Flexor Digitorum Superficialis Muscle: Origin and Insertion
Origin (proximal attachment)
a. Humero-ulnar head: medial epicondyle of humerus & coronoid process of ulna
b. Radial head: upper anterior surface of radius.
Insertion (distal attachment)
a. Middle phalanges of digits 2-5.
Actions of the Flexor Digitorum Superficialis Muscle:
a. Flexes middle phalanges.
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b. If action continues, flexes proximal phalanges, hand at wrist, and forearm at elbow.
Nerve to the Flexor Digitorum Superficialis muscle and its spinal segment:
a. Median nerve (C7, C8, T1).