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15 cze 2023 · Branches of the cervical plexus include motor branches supplying muscles, and cutaneous branches innervating the skin of the anterolateral neck, the superior part of the thorax (superolateral thoracic wall) and scalp between the auricle (pinna) and the external occipital protuberance.
18 kwi 2024 · From the chart, you can see the ulnar nerve innervates the Flexor Carpi Ulnaris, Abductor digiti minimi, Opponens digiti minimi, Flexor digiti minimi, Lumbricals (3 and 4), Interossei, and Adductor pollicis muscles.
The C8 nerve contributes to the motor innervation of many of the muscles in the trunk and upper limb. Its primary function is the flexion of the fingers, and this is used as the clinical test for C8 integrity, in conjunction with the finger jerk reflex.
14 lis 2023 · The cervical portion of the spine is an important one anatomically and clinically. It is within this region that the nerves to the arms arise via the brachial plexus, and where the cervical plexus forms providing innervation to the diaphragm among other structures.
The following tables identify the origin, insertion, innervation and action of key cervical muscles. Muscles with multiple functions are repeated in the relevant tables. Cervical Spine Flexors [edit | edit source]
13 lis 2023 · The hand itself consists of specific bones onto which various muscles are attached, and a collection of neurovascular structures responsible for drainage and innervation. However, the intrinsic muscles of the hand are only partially responsible for all its range of motion.
dorsal interosseous (hand) four muscles, each arising from two adjacent metacarpal shafts: base of the proximal phalanx and the extensor expansion on lateral side of the 2nd digit, lateral & medial sides of the 3rd digit, and medial side of the 4th digit
