Description The lumbrical muscles are a group of four small intrinsic muscles located in the hand. They are named for their similarity to small earthworms or “lumbrical.” These muscles are responsible for various movements and functions within the hand. Because of their worm-like impression (lumbrical means earthworm in Latin), the 4 short intrinsic muscles of…
shoulder muscles
forearm muscles
Introduction The wrist muscles are a group of muscles that are responsible for controlling the movement of the wrist joint. There are two main groups of wrist muscles: the wrist flexors and the wrist extensors. Both the wrist flexors and extensors work together to control the movement of the wrist joint and allow us to…
elbow muscles
Description The thenar musculature is made up of 4 short muscles situated on the lateral aspect of the hand. These muscles are the adductor pollicis, abductor pollicis brevis, flexor pollicis brevis, and opponens pollicis. The thenar muscles work together to form the thenar eminence, a fleshy prominence on the radial side of the palm. These…
Description The palmaris brevis is a tiny quadrangular muscle in the hand’s hypothenar area. After all, in this place, the palmaris brevis is not a region of the hypothenar muscle group; instead, it is reviewed as an extremely superficial muscle of this area on its own. This muscle tightens the palmar aponeurosis, which is located…
Description The palmar interossei are the hand’s tiny, unipennate intrinsic muscles. They, together with the dorsal interossei muscles, occupy the spaces between the metacarpal bones and are located on the palmar surface of the hand.The palmar interossei are four muscles that connect to the first, second, fourth, and fifth fingers. On the third finger, there…
Description The dorsal interossei are the hand’s short bipennate intrinsic muscles. They may be situated on the dorsal side of the hand, between the metacarpal bones, and the palmar interossei muscles. The dorsal interossei muscles are made up of four small muscles that connect to the sides of metacarpals 1-4. They help in the flexion…
Description The opponens digiti minimi is an intrinsic hand muscle. It is related to the hypothenar muscle group, which also includes the abductor digiti minimi and flexor digiti minimi brevis muscles. Each of the three muscles is situated in the hand’s hypothenar compartment. They make the hypothenar eminence on the ulnar side of the palm,…
