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PNS Segmental Exam

PNS Quiz Exam NWHSU Chiro

QuestionAnswer
Muscles Innervated by Musculocutaneous Biceps brachii, Brachialis, Coracobrachialis
Musculocutaneous arises from lateral cord - anterior division nerve
Median nerve arises from lateral and medial cords - anterior division nerves
Muscles innervated by median pronators, flexors (digitorum superficialis and profundus radial portion), FCR, opponens pollicis, abductor pollicis, palmaris longus, 1&2 lumbricals
Muscles innervated by ulnar FCU, hypothenar muscles, adductor pollicis, palmaris brevis, 3&4 lumbricals
Ulnar arises from Medial cord - anterior division
Axillary nerve arises from Posterior cord - posterior division
Muscles innervated by axillary deltoid, teres minor
Radial arises from posterior cord - posterior division
Muscles innervated by radial extensors of forearm, wrist, and fingers - triceps brachii, brachioradialis, supinator
Segments for Axillary C5,6
Segments for Radial C5-T1
Segments for Median C5-T1
Segments for Ulnar C8-T1
Segments for Musculucutaneous C5-7
Superior Cervical Ganglion C1-4
Middle Cervical Ganglion C5,6
Inferior (Stellate) Ganglion C7-T1
Dorsal scapular innervates rhomboids - major and minor
Dorsal scapular arises from Roots - C5(4)
Dorsal scapular test position of attention
Long thoracic innervates serratus anterior
Long thoracic arises from roots - C5,6,7 (8)
Long thoracic test reaching
Nerve to subclavius arises from trunk/anterior division C5,6
Suprascapular innervates supraspinatus, infraspinatus
Suprascapular arises from superior trunk, anterior division, C5,6 (4)
Supraspinatus innervated by C5(6)
Supraspinatus test pressure against abduction
Infraspinatus innervated by C5,6 (4)
Infraspinatus test pressure against external rotation
Lateral pectoral nerve arises from lateral cord, anterior division, C5-7
Lateral pectoral nerve innervates pectoralis major
Lateral pectoral nerve test pressure against: internal rotation, adduction, flexion
Medial pectoral nerve arises from medial cord, anterior division, (C6,7)C8,T1
Medial pectoral nerve innervates pectoralis minor and pec major lower fibers
Upper subscapular nerve arises from posterior cord, posterior division, C5,6
Upper subscapular nerve innervates Subscapularis (also receives C5 fibers from lower)
Upper subscapular nerve test pressure against internal rotation
Thoracodorsal arises from posterior cord, posterior division C6-8
Thoracodorsal innervates lattismus dorsi
Thoracodorsal test pressure against shoulder extension
Lower subscapular nerve arises from posterior cord, posterior division C5,6(7)
Lower subscapular nerve innervates teres major C6 and subscapularis C5
Lower subscapular nerve test pressura applied against internal rotation
Spinal portion CN XI becomes ventral rami C(2)3,4
Spinal portion CN XI innervates trapezius
Nerve to levator scapulae arises from C3,4
Nerve to levator scapulae test shoulder shrug
Deltoid segments C5,6
Teres minor segments C6
Biceps brachii segments C5,6
Brachialis segments C5,6
Coracobrachialis segments C6,7
Triceps segments C(6)7,8
Anconeus segments C7,8
Biceps reflex C5
Brachioradialis reflex C6
Triceps reflex C7
Deltoid motor test C5
Biceps motor test C5,6
Wrist extensors motor test C6 posterior divisions
Wrist flexors motor test C7 anterior divisions
Finger extensors motor test C7 posterior divisions
Finger flexors motor test C8 anterior divisiona
Interossei motor test T1
Nerve that passes between the heads of pronator teres median nerve
Segmental innervation pronator teres C6,7 median nerve
Segmental innervation flexor carpi radialis C6,7 median nerve
Segmental innervation palmaris longus C7,8 median nerve
Segmental innervation flexor digitorum superficialis C7,T1 median nerve
Segmental innervation flexor pollicis longus C7,T1 median nerve
Segmental innervation flexor digitorum profundus C8,T1 median nerve
Segmental innervation pronator quadratus C8,T1 median nerve
Segmental innervation flexor digitorum profundus C8,T1 ulnar nerve
Segmental innervation flexor carpi ulnaris C8,T1 ulnar nerve
Segmental innervation brachioradialis C5,6 radial nerve
Segmental innervation extensor carpi radialis longus and brevis C6,7 radial nerve
Segmental innervation extensor carpi ulnaris C6-8 radial nerve
Segmental innervation supinator C6 radial nerve
Segmental innervation extensor digitorum C(6)7(8) radial nerve
Segmental innervation extensor digit minimi C(6)7(8) radial nerve
Segmental innervation extensor indicis C7(8) radial nerve
Segmental innervation extensor pollicis longus C7,8 radial nerve
Segmental innervation extensor pollicis brevis C6,7 radial nerve
Segmental innervation abductor pollicis longus C6,7 radial nerve
Segmental innervation iliopsoas posterior divisions L2-4
Iliohypogastric nerve arises from anterior division L1
Ilioinguinal nerve arises from anterior division L1
Genitofemoral nerve arises from anterior division L1,2
Lateral femoral cutaneous nerve arises from posterior division L2,3
Nerve to iliopsoas arises from posterior division L2-4
Femoral nerve arises from posterior division L2-4
Obturator nerve arises from anterior division L2-4
Superior gluteal nerve arises from posterior division L4-S1
Inferior gluteal nerve arises from posterior division L5-S2
Nerve to piriformis arises from posterior division S1,2
Sciatic nerve arises from anterior and posterior divisions L4-S3
Common peroneal nerve arises from posterior division L4-S2
Tibial nerve arises from anterior division L4-S3
Pudendal nerve arises from anterior division S2-4
Posterior femoral cutaneous nerve arises from anterior and posterior division S1-3
Nerve to quadratus femoris and inferior gemellus arises from anterior division L4-S1
Nerve to obturator internus and sup gemellus anterior division L5-S2
C5 neurologic level motor anterior div - biceps, posterior div - deltoid
C5 neurologic level reflex biceps
C6 neurologic level motor wrist extensors
C6 neurologic level reflex brachioradialis
C7 neurologic level motor ant div median/ulnar - wrist flexors, triceps, post div radial - finger extensors
C7 neurologic level reflex triceps - posterior div radial
C8 neurologic level motor interossei - ant div ulnar, finger flexors - ant div median
T1 neurologic level motor interossei
L4 neurologic level motor tibialis anterior
L4 neurologic level reflex quadricep
L5 neurologic level motor extensor hallucis longus
S1 neurologic level motor peroneus longus and brevis
S1 neurologic level reflex achilles
Segmental innervation iliopsoas L2-4
Segmental innervation sartorius L2,3 femoral
Segmental innervation pectineus L2,3 femoral also L2-4 obturator
Segmental innervation quadriceps L2-4 femoral
Segmental innervation articularis genus L3,4 femoral
Segmental innervation adductor longus L2-4 obturator
Segmental innervation adductor brevis L2-4 obturator
Segmental innervation gracilis L2-4 obturator
Segmental innervation adductor magnus (anterior) L2-4 obturator
Segmental innervation obturator externus L2,3 obturator
Segmental innervation gluteus medius L4-S1 superior gluteal
Segmental innervation gluteus minimus L4-S1 superior gluteal
Segmental innervation tensor fasciae latae L4-S1 superior gluteal
Segmental innervation semitendinosus L5,S1 tibial
Segmental innervation semimembranosus L5-S2 tibial
Segmental innervation biceps long head L5-S2 tibial
Segmental innervation adductor magnus (posterior) L4,5 tibial
Segmental innervation gluteus maximus L5-S2 inferior gluteal
Segmental innervation biceps short head L5,S1 common peroneal
Segmental innervation gastrocnemeus S1 tibial
Segmental innervation soleus S1 tibial
Segmental innervation plantaris L4-S1 tibial
Segmental innervation popliteus L5,S1 tibial
Segmental innervation tibialis posterior L5,S1 tibial
Segmental innervation flexor digitorum longus L5,S1 tibial
Segmental innervation flexor hallucis longus L4-S1 tibial
Segmental innervation peroneus longus S1 superficial peroneal
Segmental innervation peroneus brevis L4-S1 superficial peroneal
Segmental innervation tibialis anterior L4 deep peroneal
Segmental innervation extensor digitorum longus L4-S1 deep peroneal
Segmental innervation peroneus terius L4-S1 deep peroneal
Segmental innervation extensor hallucis longus L5 deep peroneal
Segmental innervation abductor hallucis L5,S1 medial plantar
Segmental innervation flexor hallucis brevis L5,S1 medial plantar
Segmental innervation flexor digitorum brevis L5,S1 medial plantar
Segmental innervation first lumbrical L5,S1 medial plantar
Segmental innervation three lateral lumbricals S1,2 lateral plantar
Segmental innervation quadratus plantae S1,2 lateral plantar
Segmental innervation flexor digiti minimi brev S1,2 lateral plantar
Segmental innervation abductor digiti minimi S1,2 lateral plantar
Segmental innervation adductor hallucis S1,2 lateral plantar
Segmental innervation plantar interossei S1,2 lateral plantar
Segmental innervation dorasl interossei S1,2 lateral plantar
Segmental innervation ext digitorum and hallucis brev L5,S1 deep peroneal
Lateral plantar nerve arises from anterior division S1,2
Deep peroneal nerve arises from posterior division L4-S2
Superficial peroneal nerve arises from posterior division L4-S1
Medial plantar nerve arises from anterior division L5,S1
Plantar nerves are branches of posterior tibial nerve
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