Extensor carpi ulnaris muscle :-

Extensor carpi ulnaris muscle :- Muscle details :- a skeletal muscle located on the ulnar side of the forearm. It acts to extend and adduct at the carpus/wrist from anatomical position. Origin :- lateral epicondylar of little finger . Insertion :- base of fifth metacarpal bone . Nerve supply :-… Continue reading

Extensor digiti minimi muscle :-

Extensor digiti minimi muscle :- Muscle detrails :- a slender muscle of the forearm, placed on the ulnar side of the extensor digitorum communis, with which it is generally connected. Origin :- lateral epicondylar of humerus . Insertion :- extensor expansion of little finger . Nerve supply :- deep branch… Continue reading

extensor digitorum muscle :-

Extensor digitorum muscle :- Muscle details :- The extensor digitorum muscle (also known as extensor digitorum communis) is a muscle of the posterior forearm present in humans and other animals. It extends the medial four digits of the hand. Extensor digitorum is innervated by the posterior interosseous nerve, which is… Continue reading

Extensor carpi radialis brevis muscle :-

Extensor carpi radialis brevis muscle :- Muscle details :– extensor carpi radialis brevis is a muscle in the forearm that acts to extend and abduct the wrist. Origin :- lateral epicondyle of humerus . Insertion :- posterior surface of base of third metacarpal . Nerve supply :- deep branch of… Continue reading

Extensor carpi radialis longus muscle :-

Extensor carpi radialis longus muscle :- Muscle details :- a skeletal muscle located on the ulnar side of the forearm. Origin :- lateral supracondylar ridge . Insertion :- 2nd metacarpal. Nerve :- radial nerve . Action :- extensor at the wrist joint, abducts the hand at the wrist .

Brachioradialis muscle :-

Brachioradialis muscle :- Muscle details :- Cross-section through the middle of the forearm. Brachioradialis labeled at center left, sixth from the top. Origin :- Lateral supracondylar ridge of the humer . Insertion :- distal radius (radial styloid process) . Nerve :- Radial nerve . Actions :- Flexion of elbow, supination… Continue reading

Dorsal interossei muscle :-

dorsal interossei muscle :- Muscle details :- In human anatomy, the dorsal interossei (DI) are four muscles in the back of the hand that act to abduct (spread) the index, middle, and ring fingers away from hand’s midline (ray of middle finger) and assist in flexion at the metacarpophalangeal joints… Continue reading

Palmar interossei muscle :-

Palmar interossei muscle :- Muscle details :- the palmar or volar interossei (interossei volares in older literature) are three small, unipennate muscles in the hand that lie between the metacarpal bones and are attached to the index, ring, and little fingers. They are smaller than the dorsal interossei of the… Continue reading

Lumbricals muscle :-

lumbricals muscle :- lumbricals muscle :- muscle details :- The lumbricals are intrinsic muscles of the hand that flex the metacarpophalangeal joints and extend the interphalangeal joints . origin :- 1st lateral side of tendon of 2nd digiti . -2nd lateral side of tendon of 3rd digiti .-3rd lateral side… Continue reading