Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website. 76 Anatomy & Physiology Essentials Lab Manual 8. Complete the following table below to describe the origin, insertion, action, and functional group or anatomical region of muscles of the upper limb. Muscles of the Upper Limb Muscle Attachment Primary Action Group/Region Origin Insertion Biceps brachii Brachialis Brachioradialis Deltoid Infraspinatus Latissimus dorsi Pectoralis major Subscapularis Supraspinatus Teres major Teres minor Triceps brachii Goodheart-Willcox Publisher