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