lumbrical muscle


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lumbrical muscle

Hand and foot muscles. Origins: tendons of flexor digitorum profundus or flexor digitorum longus. Insertions: extensor tendons of digits 2-5. Nerve, hand: median (C8-T1), ulnar (C8-T1). Nerve, foot: medial plantar (S2-S3), lateral plantar (S2-S3). Action: flex the straightened digits (specifically, flex the metacarpophalangeal or metatarsophalangeal joints while extending the interphalangeal joints).
See also: muscle
References in periodicals archive ?
has reported anomalous lumbrical muscle originating from the forearm and inserted in the region of the index finger compressing the median nerve.
In the present study, first lumbrical muscle is inserted into dorsal digital expansion in 35 specimens.
Chaundrue et al have found compression of radial and ulnar collateral arterial system by hypertrophy of lumbrical muscle producing white finger.
7) Koizumi et al have observed anomalous lumbrical muscle origin in forearm, considered as accessory lumbrical.
Windisch observed unipennate fourth lumbrical muscle.
13) Inour G and Maeda M, have reported abnormal insertion of lumbrical muscle into flexor digitorum superficalis of right little finger causing camptodactyly.
Lumbrical muscle had normal origin from the tendons of flexor digitorum profundus.
The results of this study suggest that KMI, alongside physical treatment, is an effective means to facilitate activation of the lumbrical muscles in the hemiparetic hand.
Facilitation of activation in lumbrical muscles, repeated 10 times.