Muscle LabelingOnline version Use the medical terms to label the muscles on the body. by Jennifer Rockett 1 Trapezius 2 Deltoid 3 Pectoralis Major 4 Biceps 5 Triceps 6 Latissimus Dorsi 7 Gluteus Maximus 8 Quadriceps 9 Hamstrings 10 Gastrocnemius 11 Rectus Abdominus 12 External Oblique