nerves
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what nerve controls the temporalis muscle
trigeminal (V)
what nerve controls the masseter muscle
trigeminal (V)
what nerve controls the platysma
facial (VII)
what nerve controls the supraspinatus
suprascapular nerve
what nerve controls the latissimus dorsi
nerve from brachial plexus
what nerve controls the biceps brachii
musculotaneous nerve
what nerve controls the brachialis
musculotaneous and radial nerve
what nerve controls the triceps brachii
radial nerve
what nerve controls the vastus lateralis
femoral nerve
what nerve controls the biceps femoris
sciatic nerve (both parts)
what nerve controls the gastrocnemius
tibial nerve (of sciatic)
what nerve controls the fibularis longus
superficial fibular nerve (branch of common fibular)
what nerve controls the tibialis anterior
fibular nerve (of sciatic)
what does the posterior/dorsal rami innervate
skin and deep muscle of the back and trunk
what does the anterior/ventral rami innervate
muscles and skin of all 4 limbs and the anterior and lateral parts of the body
what are the 4 plexuses
cervical, brachial, lumbar, and sacral
where is the cervical plexus, what does it innervate, and name a nerve it gives rise to
c1-c5; skin and muscles of head, neck, shoulder, and chest; phrenic
where is the brachial plexus, what does it innervate, and what nerves does it give rise to
c5-t1; serves shoulder and upper limbs; axillary, musculotaneous, medial, ulnar, radial, posterior interosseous
where is the lumbar plexus, what does it innervate, and what nerves does it give rise to
l1-l4; serves skin and muscles of abdominal wall, external genitalia, and part of lower limbs; femoral, obturator
where is the sacral plexus, what does it innervate, and what nerves does it give rise to
l4-s4; supplies buttocks, perineum, and most of lower limbs; pudendal, sciatic, tibial, common fibular
what space contains csf
subarachnoid
what is the sensory branch of the spinal nerve entering the spinal cord
posterior root
what is the motor branch of the spinal nerve exiting the spinal cord
anterior root
what contains sensory neuron cell bodies
posterior root ganglion