Upper limb OVERVIEW Ø The upper limb is characterized by its mobility and ability to grasp, strike, and conduct fine motor skills ( manipulation). The upper limb consists of four major segments, which are further subdivided into regions for precise description. Regions of the upper limb Ø 1. Shoulder: proximal segment of the limb that overlaps parts of the trunk (thorax and back) and lower lateral neck. Ø It includes the pectoral, scapular, and deltoid regions of the upper limb, and the lateral part (greater supraclavicular fossa) of the lateral cervical region. The pectoral (shoulder) girdle is a bony ring, incomplete posteriorly, formed by the scapulae and clavicles and completed anteriorly by the manubrium of the sternum (part of the a...