What are the only muscles that perform internal rotation at the GHJ?

of arm/humerus at shoulder. Anterior deltoid muscle. Subscapularis. ... of thigh/femur at hip. Tensor fasciae latae. Gluteus minimus. ... of leg at knee. Popliteus. Semimembranosus. ... of eyeball (motion is also called "intorsion" or incyclotorsion) Superior rectus muscle. Superior oblique muscle.