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