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