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) obturatorStructure 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
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
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