Nerve supply to the upper limb pdf

Summary of the nerve supply of upper extremity duration. Muscles stabilizing pectoral girdle muscles of the upper limb. These nerves give sensation to our upper limb, as well as innervating the muscles, allowing us to move them at will. It also has a sensory branch which supplies the lateral aspect of the forearm. Another nerve of the upper limb is the musculocutaneous nerve, it contains nerve fibres from roots c5 to c7 and supplies the muscles of the anterior compartment of the upper arm. The upper limb is truly a complex part of the human body. Muscle name origin insertion action innervation muscles of. The upper limb upper extremity is truly a complex part of human anatomy. The nerve supply to the upper limb is almost entirely supplied by the brachial plexus.

Cutaneous innervation of the upper limb the patterns of cutaneous sensory nerve distribution o the clavicle is an sshaped long bone, which forms part of the pectoral girdle. There are 6 topics covered in the nerves of the upper limb, an overview of the brachial plexus and a more indepth look into its 5 main branches. The upper extremity ue is comprised of its associated muscles, nerves, and vessels, organized into anatomical compartments. At the lower part of the axilla, the three cords split into the five terminal branches which enter the arm figure 7. The joints of the upper limb are found between some of these bones and the muscles crossing them allow us to orient these joints. Nerve supply to the upper limb anatomy geeky medics. The medial and lateral cords terminate in the flexor nerves of the upper limb. The nerves of the upper limb arise from a complex arrangement of nerve fibers known as the brachial plexus. Pdf anatomy, shoulder and upper limb, cutaneous innervation. The posterior cord terminates in the posterior extensor nerve of the upper limb. Pdf anatomy, shoulder and upper limb, hand compartments. Muscle name origin insertion action innervation muscles of upper extremity pectoralis major medial half of clavicle, front of sternum, costal cartilage crest of greater tubercle lateral lip of bicipital groove horizontally adduct, medially rotate at shoulder medical and lateral pectoral pectoralis minor ribs 25 coracoid process protract, depress.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. Pdf on jul 22, 2019, peter baglien and others published anatomy, shoulder and upper limb, cutaneous innervation find, read and cite all. We use cookies to ensure that we give you the best experience on our website. It is best studied broken down into its components. I have covered the brachial plexus itself in more detail in a separate article here. A dermatome is an area of skin which is chiefly supplied by a single spinal nerve.

An indepth guide to the nerve supply to the upper limb, including tips on identifying peripheral nerve injuries in osces, videos and a handy summary table. By looking at all of the upper limbs components separately we can appreciate and compartmentalize the information, then later view the upper limb as a whole and understand how all of its parts work in unison. All are supplied by median nerve except one, flexor carpi ulnaris. A thorough description of the lumbosacral plexus and its branches appears in chapter 32, innervation of. If you continue to use this site we will assume that you are happy with it. This compartmentalization helps to focus on the necessary details.

Nerve supply of the upper limb musculoskeletal key. The purpose of the current study is to provide a comprehensive analysis of the nerve anatomy of the upper extremity to include innervation patterns, critical landmarks, and clinical applications. There are 8 cervical nerves c1 denoting an anomaly with no dermatome, 12 thoracic nerves t1t12, 5 lumbar nerves l1l5 and 5 sacral nerves s1s5. In order to thoroughly understand its structure, the anatomy of the upper limb is broken into compartments, such as regions, bones, joints, muscles, nerves and blood vessels.