Finger Muscle Anatomy. The flexors of the fingers consist of three separate groups of muscles. Abducts and extends wrist.
It affects muscles that help flex the hand. The hypothenar muscle group is formed by three muscles. The extrinsic muscle groups are the long flexors and extensorsThey are called extrinsic because the muscle belly is located on the forearm.
They abduct flex and bring it towards the thumb to facilitate opposition.
Lumbricals Muscles The four lumbricals hand muscles in the hand each is associated with the finger movement. Extensor Carpi Radialis Longus ECRL Origin. The abductor digiti minimi the flexor digiti minimi and the opponens digiti minimi. 1 the flexor profundus digitorum and flexor longus pollicis which insert into the distal phalanges.
