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158 Cards in this Set
- Front
- Back
functions of nervous system
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Sensory Input, Motor input, integration function
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NS division
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NS- CNS/PNS- Somatic/Autonomic- Symp/para
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Afferent Vs. Efferent
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Sensory vs. Motor (to CNS/ from CNS)
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Anosmia
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partial or total loss of smell
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Right eye goes to what side of brain
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left side. left eye goes to right brain
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Anopsia
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visual defects
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Ptosis
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droopy eyelid, look for in upper eyelid
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strabismus
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eyes not parallel
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diplopia
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double vision
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Nystagmus
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check with H test
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Strabismus
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lack of coordination between extra ocular muscles
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Hirschberg test
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for strabismus- shine light, reflection in same place. if not problem
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Problem with facial VII
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bells palsy- loss of tearing and salivation
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Problem with vestibulocochlear
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loss of balance, nausea, deafness
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Problem with Olfactory
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Anosmia- loss of smell
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Problem with Optic
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Anopsia- visual defects
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Problems with oculomotor III
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ptosis, strabimus, diplopia
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Problems with Trochlear IV
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strabismus- eyes not parallel
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Problems with trigeminal V
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Trigeminal neuralgia, pulsating pain
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Problem with Abducens
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diplopia
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Problems with Facial VII
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Decreased tearing & salivation, loss of taste sensation, Bell’s Palsy
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Problems with Vestibulocochlear VIII
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loss of balance, nausea, deafness
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Problems with Glossopharyngeal IX
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reduced salivary secretion, loss of taste
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Problems with Vagus
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Complete/partial loss of voice, difficulty in swallowing, impaired GI system mobility
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Problems with Accessory
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paralysis of trapezius and SCM
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Problems with hypoglossal
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Swallowing and speech difficulty, tongue deviates to the side of damaged nerve
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Nerves through Superior orbital fissure
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Abducens, trochlear, oculomotor, opthalmic division of trigeminal
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Nerves through olfactory foramen
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Olfactory
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Nerves through optic canal
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Optic nerve
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Nerves through internal acoustic meatus
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facial, vestibulocochlear
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Nerves through jugular foramen
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glossopharyngeal, vagus, accessory
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Nerves through foramen rotundum
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maxillary division of trigeminal
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Nerves through foramen ovale
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mandibular divison of trigeminal
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Nerves through hypoglossal canal
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hypoglossal nerve
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Nerve through stylomastoid foramen
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facial
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Exceptions to mixed spinal nerves (Sensory/motor)
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C1 and C2- C1 just motor to subocciptal muscles, C2- just sensory (greater occiptal nerve)
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C1 between
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Occiptal bone and C1
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C2-C7 position
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above vertebrae its named after
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C8 position
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between C7 T1
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T1 and below position
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spinal nerves come out below vertebrae
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Dorsal root ganglion
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cell bodies of sensory nerves
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Cervical plexus
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C1-C4, innervates skin of neck shoulder, part of diaphragm
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C1-C4
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Ansa cervicalis, extrinsic laryngeal muscles
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C2- C3
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lesser occipital, skin of upper chest, shoulder, neck, ear
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C3- C5
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phrenic nerve, diaphram
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C1- C5
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levator scapulae, scalene, SCM, trapezius
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Radial pathology
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wrist drop (unable to use wrist flexors)
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Median patholgy
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ape hand, or benedicts hand
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Ulnar pathology
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claw hand
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pinky, thumb, middle finger innervation
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ulnar, radial, median
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Iliohypogastric
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T12 L1
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Ilioinguinal
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L1
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Genitofemoral
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L1 L2
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Lateral femoral cutaneous *
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L2- L3
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Femoral*
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L2-l4
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*Obturator
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L2-L4
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*Saphenous
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L2-L4
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Sacral Plexus
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L4, 5, S1-4
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Sciatic =
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Tibial- sural medial and lateral plantar Common fibular- deep and superficial fibular, contribution to sural
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superior gluteal
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innervates gluteus medius, minimus, TFL
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Inferior gluteal
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innervates gluteus maximus
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foot innervation
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heal (calcaneal branch of tibial), medial arch ( saphenous), medial toe and two (medial plantar) pinky toe (lateral plantar), lateral posterior side (sural)
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Innervation to skin
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dermatomes
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Innervation to bone
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Scleratome
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innervation to muscle
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myotome
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reffered pain in dermatomes
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No
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how sensory conduction run
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distal to proximal
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what happens if C8 goes out
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all of medial sign of hand
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if ulnar goes out
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pinky and medial hand
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medial antebrachial cutaneous goes out
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medial forearm goes out
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medial brachial cutaneous goes out
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medial side right above elbow goes out
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C4 innervation
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superior to clavicle
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C5
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ant/lat arm
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C6
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thumb
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c7
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3rd digit
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C8
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5th digit
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t1
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medial forearm
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L2 innervation
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medial thigh
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L3 innervation
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medial knee
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L4 innervation
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medial ankle
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L5 innervation
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dorsum of foot
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S1 innervation
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lateral ankle
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S2 innervation
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posterior knee
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reflex C5
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biceps brachii
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reflex c6
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brachioradialis
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reflex c7
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triceps brachii
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L4 reflex
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quadriceps
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L5 reflex
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post. tib/med. hamstring
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S1 reflex
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achilles tendon
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C7 job
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finger extensors
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L5 innervation
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dorsum of foot
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S1 innervation
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lateral ankle
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S2 innervation
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posterior knee
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reflex C5
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biceps brachii
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reflex c6
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brachioradialis
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reflex c7
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triceps brachii
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L4 reflex
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quadriceps
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L5 reflex
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post. tib/med. hamstring
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S1 reflex
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achilles tendon
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deltoid
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c5
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biceps
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c5 c6
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wrist extensors
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c6
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wrist flexors
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c7
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finger extensors
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c7
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finger flexors
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c8
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Interossi
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t1
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C5
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elbow flexion, shoulder abduction
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c6
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wrist extension
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C7
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elbow extension
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C8
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flexion of tip of middle finger
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t1
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finger abduction
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L2
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hip flexion, hip adduction
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L3
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knee extension
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L4
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ankle dorsiflexion
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l5
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great toe extension
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S1
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ankle plantar flexion
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nerve C5
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musculocutaneous
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nerve c6
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radial
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nerve c7
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radial
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nerve c8
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median
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nerve t1
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ulnar
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nerve l2
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femoral, hip flexion
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nerve L3
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femoral, knee extension
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nerve L4
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deep fibular, ankle dorsiflexion
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nerve L5
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deep fibular, great toe extension
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nerve S1
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tibial, ankle plantar flexion
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inferior dislocation to humerus
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could damage axillary
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carpal tunnel syndrome
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median nerve compression, atrophy of thenar muscles
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Upper trunk injury
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ERb palsy- waiters hand, loss of flexion abduction, and lateral rotation of arm
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Lower trunk injury
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claw hand (ulnar )
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Posterior cord injury
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loss of extensors, wrist drop,
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damage to long thoracic
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winged scapula, paralysis of serratus anterior
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injury of musculocutaneous
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weakness of supination and elbow flexion
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injury to axillary nerve
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fracture to surgical neck of humerus, weakness of ER and abduction of arm
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injury to radial nerve
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no extensors, wrist drop, no cutaneous sensation, fracture of midshaft
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injury to ulnar nerve
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claw hand, fracture of medial epicondylar
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injury to median nerve
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supracondylar fracture of humerus, ape hand, benediction hand
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damage to femoral nerve
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paralysis of quad, impared flexion of hip, impaired extension of knee
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damage to obturator
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weakness of adduction, lateral swinging of leg during walking
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damage to sciatic
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impaired extension at hip, flexion at knees, loss of DF, PF, IV EV gait
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damage to common fibular
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paralysis of DF and eV, foot drop
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damage to deep fibular
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foot drop
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damage to superficial fibular
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loss of eversion
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damage to tibial
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loss of PF, and inversion, hard to get heal off ground, clawing of toes
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neural convergence
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multiple preganglionic nerves synapse on one cell
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neuronal divergence
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one preganglionic cell to multiple nerves
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sypathetic
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preganglionic cell bodies in lateral horns of gray matter of the spinal cord from t1 to l2
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Parasympathetic
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cranial and sacral
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ganglion
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cluster of neuron cell bodies outside of the CNS
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symp division
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increase HR, dilation of bronchi of lungs, increase capacity of muscles to perform, fight or flight
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post ganglionic syp
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NE
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exeption to SYMP
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sweat glands, exept in palms of hands
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Preganglionic neurons located in nuclei of cranial nerves
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CN 3, 7, 9, 10
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preganglionic fibers
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myelinated
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postganglionic fibers
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unmyelinated
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Neurapraxia
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compression of nerve, temporary loss of functino 6-8 weeks, full recovery, no axon damage
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axonotemis
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axon damaged, but Schwann cell tube (myelin sheath) and other neural connective tissue (endoneural tube) is preserved; can regenerate weeks to years
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Neurotmesis
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nerve fibers are completely severed, may take 2 years to recover, not fully
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