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

Opponens digiti minimi muscle :-

Opponens digiti minimi muscle :- Muscle details : – a muscle in the hand. It is of a triangular form, and placed immediately beneath the palmaris brevis, abductor digiti minimi and flexor digiti minimi brevis. It is one of the three hypothenar muscles that control the little finger . Origin… Continue reading

Abductor digiti minimi muscle :-

Muscle of hypothenar eminence muscle :- Abductor digiti minimi muscle :- Muscle details :- a skeletal muscle situated on the ulnar border of the palm of the hand. It forms the ulnar border of the palm and its spindle-like shape defines the hypothenar eminence of the palm together with the… Continue reading

Palmaris brevis muscle :-

Muscle of medial side of palm :- Palmaris brevis muscle :- Muscle details :- a thin, quadrilateral muscle, placed beneath the integument of the ulnar side of the hand.[1] It acts to fold the skin of the hypothenar eminence transversally. Origin :- Flexor retinaculum (medial) and palmar aponeurosis . Insertion… Continue reading

Adductor pollicis :-

Adductor pollicis :- Adductor of thumb muscle :- Muscle details :- a muscle in the hand that functions to adduct the thumb. It has two heads: transverse and oblique . Origin :- Transverse head: anterior body of the third metacarpalOblique head: bases of the second and the third metacarpals and… Continue reading