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