Flexor pollicis brevis muscle

Flexor pollicis brevis muscle
Superficial muscles of the left hand, palmar view.
Details
OriginTrapezium, flexor retinaculum
InsertionThumb, proximal phalanx
ArterySuperficial palmar arch
NerveRecurrent branch of the median nerve, deep branch of ulnar nerve (medial head)
ActionsFlexes the thumb at the first metacarpophalangeal joint
AntagonistExtensor pollicis longus and brevis
Identifiers
Latinmusculus flexor pollicis brevis
TA98A04.6.02.055
TA22522
FMA37378
Anatomical terms of muscle

The flexor pollicis brevis is a muscle in the hand that flexes the thumb. It is one of three thenar muscles.[1][2] It has both a superficial part and a deep part.

  1. ^ Fernández-de-las-Peñas, César; Iglesias, Javier González; Gröbli, Christian; Weissmann, Ricky (2012-01-01), Dommerholt, Jan; Fernández-de-las-Peñas, César (eds.), "8 - Deep dry needling of the arm and hand muscles", Trigger Point Dry Needling, Oxford: Churchill Livingstone, pp. 107–118, doi:10.1016/b978-0-7020-4601-8.00008-6, ISBN 978-0-7020-4601-8, retrieved 2020-10-25
  2. ^ Strickland, James W. (2006-01-01), Henderson, Anne; Pehoski, Charlane (eds.), "Chapter 2 - Anatomy and Kinesiology of the Hand", Hand Function in the Child (Second Edition), Saint Louis: Mosby, pp. 21–44, doi:10.1016/b978-032303186-8.50005-8, ISBN 978-0-323-03186-8, retrieved 2020-10-25