MUSCLE CHART A. Sternomastoid (neck) B. Pectoralis Major (chest) C. Biceps (front of arm) D. Obliques (waist) E. Brachioradials (forearm) F. Hip Flexors (upper thigh) G. Abductor (outer thigh) H. Quadriceps (front of thigh) Sartorius (front of thigh) J. Tibialis Anterior (front of calf) K.