Relier Pairs Upper Extremities MusclesVersion en ligne Match the principle muscles of upper extremities with their short descriptions. par Kristie Borgheiinck 1 Pectoralis minor 2 Brachioradialis 3 Triceps Brachii 4 Trapezius 5 Deltoid 6 Pectoralis Major 7 Teres major 8 Latissimus Dorsi 9 Biceps Brachii 10 Serratus anterior Extends forearm (posterior arm to ulna) Flexes the elbow (connects humerus to radius) Adducts and flexes the arm across chest; pulls shoulder forward and downward (upper chest anterior to humerus) Flexes forearm and supinates hand (anterior arm to radius) beneath major extends the humerus and adducts and rotates the arm (connects scapula to humerus) Extends & adducts arm behind back (middle to lower back) Abducts the arm (covers shoulder joint) Raises and lowers shoulder and pulls it back; rotates scapula; extends head (upper back & neck) moves scapula forward; aids in raising arm (below axilla on side of chest to scapula)