3B Scientific M11 6 Part Life Size Deluxe Muscle Arm Model, 27.6" Height Deltoid muscles Biceps muscle of arm Triceps muscle of arm Long palmar muscle with radial flexor muscle of wrist Brachioradial muscle with radial extensor muscle of wrist Deltoid muscles Biceps muscle of arm Triceps muscle of arm Long palmar muscle with radial flexor muscle of wrist Brachioradial muscle with radial extensor muscle of wrist Deltoid muscles Biceps muscle of arm Triceps muscle of arm Long palmar muscle with radial flexor muscle of wrist Brachioradial muscle with radial extensor muscle of wrist