Cervical nerves are spinal nerves that arise from the cervical region of the spinal cord. These nerves conduct motor and sensory information via efferent and afferent fibers, respectively, to and from the central nervous system. While classified as peripheral nerves, the motor cell body resides in the anterior horn of the spinal cord. There are eight pairs of cervical nerves, denoted C1 to C8
Triceps brachii - Action. All heads- extension of the elbow, Long head- extension, adduction, and horizontal abduction of the shoulder joint. Triceps brachii - Innervation. Radial nerve (C7, C8) Study with Quizlet and memorize flashcards containing terms like Triceps brachii - Origin, Triceps brachii - Insertion, Triceps brachii - Action and more.
Function. The axillary nerve has both a motor and a sensory distribution of innervation. It has motor fibres that innervate the deltoid muscle, acting as an abductor, flexor and extensor at the shoulder joint, as well as the teres minor muscle, allowing lateral rotation of the glenohumeral joint.; As mentioned above, it has sensory innervation to the skin of the arm superficial to lower part YIz50CB. 215 13 414 265 481 37 17 126 16