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