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