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  2. Flexor digitorum profundus muscle - Wikipedia

    en.wikipedia.org/wiki/Flexor_digitorum_profundus...

    Flexor digitorum profundus is a composite muscle innervated by the anterior interosseous nerve and ulnar nerves. The medial aspect of the muscle (which flexes the 4th and 5th digit) is supplied by the ulnar nerve (C8, T1). [5] [6] [7]

  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. Lumbricals of the hand - Wikipedia

    en.wikipedia.org/wiki/Lumbricals_of_the_hand

    The lumbrical innervation always follows the innervation pattern of the associated muscle unit of flexor digitorum profundus (i.e. if the muscle units supplying the tendon to the middle finger are innervated by the median nerve, the second lumbrical will also be innervated by the median nerve).

  5. Muscles of the thumb - Wikipedia

    en.wikipedia.org/wiki/Muscles_of_the_thumb

    A part of the tendon reaches the trapezium, while another fuses with the tendons of the extensor pollicis brevis and the abductor pollicis brevis. Except for abducting the hand, it flexes the hand towards the palm and abducts it radially. It is innervated by the deep branch of the radial nerve (C7-C8). [4]

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

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

    deep branch of ulnar nerve: flexes little finger: extensor digiti minimi: 2 1 opponens digiti minimi (hand) Upper limb, Hand, Medial volar, hypothenar: hook of hamate, flexor retinaculum: medial border of 5th metacarpal: ulnar artery: deep branch of ulnar nerve (C8 and T1)

  7. Flexor digitorum superficialis muscle - Wikipedia

    en.wikipedia.org/wiki/Flexor_digitorum...

    The primary function of flexor digitorum superficialis is flexion of the middle phalanges of the four fingers (excluding the thumb) at the proximal interphalangeal joints, however under continued action it also flexes the metacarpophalangeal joints and wrist joint.

  8. Posterior compartment of the forearm - Wikipedia

    en.wikipedia.org/wiki/Posterior_compartment_of...

    There are generally twelve muscles in the posterior compartment of the forearm, which can be further divided into superficial, intermediate, and deep. Most of the muscles in the superficial and the intermediate layers share a common origin which is the outer part of the elbow, the lateral epicondyle of humerus.

  9. Flexor digiti minimi brevis muscle of hand - Wikipedia

    en.wikipedia.org/wiki/Flexor_digiti_minimi...

    The ulnar nerve arises from the spinal nerve levels C8-T1. The spinal roots of C8 and T1 then merge to form the lower trunk, anterior division, medial cord, and finally produce the ulnar nerve. The ulnar nerve has a superficial and deep branch, but it is the deep branch that innervates the flexor digiti minimi brevis.