Lateral pectoral nerve
The lateral pectoral nerve is a branch of the lateral cord of the brachial plexus.
|Lateral pectoral nerve|
|Origin:||Lateral cord of the brachial plexus|
|Innervation:||Pectoralis major, pectoralis minor, shoulder, acromioclavicular joint|
|Vertebral levels:||C5 nerve root, C6 nerve root, C7 nerve root|
|Search for Lateral pectoral nerve in Gray's.|
The nerve originates from the lateral cord of the brachial plexus. It crosses the axillary artery and vein anteriorly to continue through the clavipectoral fascia, supplying the posterior surface of pectoralis major. It then sends a ramus to the medial pectoral nerve to supply pectoralis minor.
May arise from the anterior divisions of the upper and middle trunks of the brachial plexus, rather than the lateral cord.