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The flexor digitorum brevis or flexor digitorum communis brevis [1] is a muscle which lies in the middle of the sole of the foot, immediately above the central part of the plantar aponeurosis, with which it is firmly united. Its deep surface is separated from the lateral plantar vessels and nerves by a thin layer of fascia.
The muscular branches supply muscles on the medial side of the sole, including the abductor hallucis, the flexor digitorum brevis, the flexor hallucis brevis, and the first lumbrical; those for the abductor hallucis and flexor digitorum brevis arise from the trunk of the nerve near its origin and enter the deep surfaces of the muscles; the branch of the flexor hallucis brevis springs from the ...
The medial plantar nerve supplies: the abductor hallucis, the flexor digitorum brevis, the flexor hallucis brevis and the first lumbrical.Cutaneous distribution of the medial plantar nerve is to the medial sole and medial three and one half toes, including the nail beds on the dorsum (like the median nerve in the hand).
It passes obliquely forward with the lateral plantar artery to the lateral side of the foot, lying between the flexor digitorum brevis and quadratus plantae and, in the interval between the flexor muscle and the abductor digiti minimi, divides into a superficial and a deep branch.
The tendons of several extrinsic foot muscle reach the sole: The tendons of the deep foot flexors in the posterior compartment of the leg, tibialis posterior, flexor digitorum longus, and flexor hallucis longus, passes behind the medial malleolus into the sole. The tendon of fibularis longus similarly passes behind the lateral malleolus into ...
The flexor digitorum brevis arises inferiorly on the calcaneus and its three tendons are inserted into the middle phalanges of digits two to four (sometimes also the fifth digit). These tendons divide before their insertions and the tendons of flexor digitorum longus pass through these divisions. Flexor digitorum brevis flexes the middle phalanges.
The flexor digiti minimi brevis (flexor brevis minimi digiti, flexor digiti quinti brevis) lies under the metatarsal bone on the little toe, and resembles one of the interossei. It arises from the base of the fifth metatarsal bone , and from the sheath of the fibularis longus ; its tendon is inserted into the lateral side of the base of the ...
Plantarflexes ankle; inverts foot Flexor digitorum longus muscle: ... Diagram at patientcareonline.com This page was last edited on 2 May 2024, at 14:15 ...