For each of the following muscles or body regions, identify the plexus and the peripheral nerve (or branch of one) involved. Use one choice from Key A followed by one choice from Key B. Key A:...

For each of the following muscles or body regions, identify the plexus and the peripheral nerve (or branch of one) involved. Use one choice from Key A followed by one choice from Key B.                                                              Key A: Plexuses                                                     Key B: Nerves
(a) brachial                                             (1) common fibular (6) phrenic
(b) cervical                                             (2) femoral (7) radial
(c) lumbar                                               (3) median (8) tibial
(d) sacral                                               (4) musculocutaneous (9) ulnar
                                                               (5) obturator
Structure Innervated
__,__ (1) the diaphragm
__,__(2) muscles of the posterior compartments of thigh and leg
__,__(3) anterior compartment thigh muscles
__,__(4) medial compartment thigh muscles
__,__(5) anterior arm muscles that flex the forearm
__,__(6) muscles that flex the wrist and fingers (two nerves)
__,__(7) muscles that extend the wrist and fingers
__,__(8) skin and extensor muscles of the posterior arm
__,__(9) fibular muscles, tibialis anterior, and toe extensors