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 Serratus anterior 3 Pectoralis Major 4 Biceps Brachii 5 Pectoralis minor 6 Latissimus Dorsi 7 Triceps Brachii 8 Trapezius 9 Deltoid 10 Brachioradialis beneath major Adducts and flexes the arm across chest; pulls shoulder forward and downward (upper chest anterior to humerus) Abducts the arm (covers shoulder joint) Raises and lowers shoulder and pulls it back; rotates scapula; extends head (upper back & neck) Extends & adducts arm behind back (middle to lower back) Flexes the elbow (connects humerus to radius) moves scapula forward; aids in raising arm (below axilla on side of chest to scapula) Flexes forearm and supinates hand (anterior arm to radius) Extends forearm (posterior arm to ulna) extends the humerus and adducts and rotates the arm (connects scapula to humerus)