Name two muscles in each of the following compartments or regions:
(a) Thenar eminence (ball of thumb),
(b) Posterior compartment of forearm,
(c) Anterior compartment of forearm- deep muscle group,
(d) Anterior muscle group in the arm,
(e) Muscles of mastication,
(f) Third muscle layer of the foot,
(g) Posterior compartment of leg,
(h) Medial compartment of thigh,
(i) Posterior compartment of thigh.