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  2. Median nerve - Wikipedia

    en.wikipedia.org/wiki/Median_nerve

    The median nerve is a nerve in humans and other animals in the upper limb. It is one of the five main nerves originating from the brachial plexus.. The median nerve originates from the lateral and medial cords of the brachial plexus, [1] and has contributions from ventral roots of C6-C7 (lateral cord) and C8 and T1 (medial cord).

  3. Muscles of the hand - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_the_hand

    The median nerve innervates the flexors of the wrist and digits, the abductors and opponens of the thumb, the first and second lumbricals. The ulnar nerve innervates the remaining intrinsic muscles of the hand. [3] [4] All muscles of the hand are innervated by the brachial plexus (C5–T1) and can be classified by innervation: [1] [4] [5]

  4. Thenar eminence - Wikipedia

    en.wikipedia.org/wiki/Thenar_eminence

    The muscles in this location are usually innervated by the recurrent branch of the median nerve. They all control movement of the thumb. The innervation of these muscles by the median nerve is unusual, as most of the intrinsic muscles on the palm of the hand are supplied by the ulnar nerve. The lateral two lumbrical muscles are the other exception.

  5. Hand - Wikipedia

    en.wikipedia.org/wiki/Hand

    The median nerve supplies the flexors of the wrist and digits, the abductors and opponens of the thumb, the first and second lumbrical. The ulnar nerve supplies the remaining intrinsic muscles of the hand. [15] All muscles of the hand are innervated by the brachial plexus (C5–T1) and can be classified by innervation: [16]

  6. Carpal tunnel - Wikipedia

    en.wikipedia.org/wiki/Carpal_tunnel

    In the human body, the carpal tunnel or carpal canal is a flattened body cavity on the flexor (palmar/volar) side of the wrist, bounded by the carpal bones and flexor retinaculum. It forms the passageway that transmits the median nerve and the tendons of the extrinsic flexor muscles of the hand from the forearm to the hand. [1]

  7. Common palmar digital nerves of median nerve - Wikipedia

    en.wikipedia.org/wiki/Common_palmar_digital...

    In the palm of the hand, the median nerve is covered by the skin and the palmar aponeurosis, and rests on the tendons of the Flexor muscles.Immediately after emerging from under the transverse carpal ligament the median nerve becomes enlarged and flattened and splits into a smaller, lateral, and a larger, medial portion.

  8. List of skeletal muscles of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_skeletal_muscles...

    lateral belly: anterior interosseous nerve (median nerve) medial belly: muscular branches of ulnar nerve. flexes wrist, flexes interphalangeal joints: extensor digitorum: 2 1 flexor pollicis longus: Upper limb, Forearm, Anterior compartment, Deep, Right/left middle half of volar surface of radius, interosseus membrane: base of distal phalanx of ...

  9. Lumbricals of the hand - Wikipedia

    en.wikipedia.org/wiki/Lumbricals_of_the_hand

    The third and fourth lumbricals (most ulnar two) are innervated by the deep branch of ulnar nerve. [5] This is the usual innervation of the lumbricals (occurring in 60% of individuals). However 1:3 (median:ulnar - 20% of individuals) and 3:1 (median:ulnar - 20% of individuals) also exist.

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