Final - Neuro Innvervation

Front 1

C7 root

Back 1

Compressed by cervical disk lesion

Front 2

Axillary n

Back 2

Lesioned by fracture of surgical neck; dislocation of the humerus; intramuscular injections

Front 3

Radial n. in spiral groove

Back 3

Lesioned by midshaft fracture of humerus

Front 4

Radial n. in armpit

Back 4

Compressed in axilla by incorrect crutch use

Front 5

Radial n. deep branch

Back 5

Stretched by subluxation of radius

Front 6

Median n at elbow/proximal forearm

Back 6

Compressed by supracondylar fracture of humerus; pronator teres syndrome (entrapment of median n by two heads of pronator teres muscle); aggravated by resisted pronation of forearm

Front 7

Ant. interosseous n

Back 7

Compressed in deep forearm; weakness of flexor digitorum profundus (index) and flexor pollicus longus (thumb) and pronator quadrus of forearm; can't make a pincer movement with first finger and thumb

Front 8

Recurrent branch of median n

Back 8

Lesioned by superficial laceration; innervates thenar evidence (flexes, abducts, and aducts the thumb)

Front 9

OAF

Back 9

Muscles in thenar eminence

Opponens; abductor; flexor

Front 10

Meat-LOAF

Back 10

Muscles innervated by median nerve in hand

(2 Lateral Lumbricals, Opponens pollics, abductor pollicis brevis, flexor pollicis brevis)

Front 11

Thoracic Outlet Syndrome

Back 11

1. Atrophy of thenar and hypothenar eminence
2. Atrophy of interosseous muscles
3. Sensory deficits on the medial side of the forearm and hand
4. Disappearance of the radial pulse upon moving the head toward the opposite side

Front 12

C5/C6 Trunk Lesion

Back 12

Waiter's tip (erb's palsy)

Front 13

C8/T1 trunk lesion

Back 13

Total claw hand (klumpke)

Front 14

Radial nerve lesion (C5-C8) (midshaft humerus fracture)

Back 14

Wrist drop + sensory deficit on posterior arm, dorsal hand, dorsal thumb

Front 15

Long thoracic nerve injury in brachial plexus

Back 15

Winged scapula

Front 16

Axial nerve lesion

Back 16

Deltoid paralysis

Front 17

Radial nerve lesion

Back 17

Wrist drop (saturday night palsy)

Front 18

musculocutaneous nerve lesion

Back 18

Difficulty flexing elbow, variable sensory loss

Front 19

Proximal median lesion (supracondylar humerous fracture)

Back 19

Ape hand/thumb problems

Front 20

Distal median nerve lesion (carpal tunnels yndrome; dislocated lunate)

Back 20

Ulnar deviation of wrist upon wrist flexion

Front 21

Proxiaml ulnar lesion via fracture of medial epicondyle of humerous

Back 21

Radial deviation of wrist upon flexion

Front 22

Distal ulner lesion via fracture of hook of hamate (falling on outstretched hand)

Back 22

Ulnar claw hand (when asked to straighten fingers) - Pope's bledding/sign of benediction

Front 23

Musculocutaneous lesion by upper trunk compression

Back 23

Loss of elbow flexion and lateral forearm sensory

Front 24

Muscles innervated by radial nerve

Back 24

"great extensor nerve" - BEST - Brachioradialis, Extensors of the wrist and fingers, Supinator and Triceps

Front 25

Dorsal interosseous muscles

Back 25

Abduct the fingers (DAB = dorsals ABduct)

Front 26

Palmar interosseous muscles

Back 26

Adduct the fingers (PAD = Palmars ADduct)

Front 27

Lumbrical muscles

Back 27

flex at the MP joint

Front 28

Repetitive elbow trauma

Back 28

Degenerative injury due to repeated use; leads to tiny tears in tendons and muscles. May be inflammatory - e.h. lateral epidonylitis (tennis elbow), medial epicondylitis (golf elbow)

Front 29

Obturator nerve injury via anterior hip dislocation

Back 29

Thigh adduction, medial thigh sensory deficit

Front 30

Femoral nerve injury via pelvic fracture

Back 30

Thigh flexion and leg extension; anterior thigh and medial leg

Front 31

Common peroneal injury via trauma to lateral aspect of leg or fibula neck fracture

Back 31

Branch of sciartic; foot erversion and dorsiflexion; toe extension; sensory deficit on anterolateral leg and dorsal aspect of foot = foot drop

PED = peroneal everts and dorsiflexes; if injured foot dropPED

Front 32

Tibial nerve injury via knee trauma

Back 32

Foot inversion and plantar flexion; toe flexion; sensory deficit on sole of foot

TIP = Tibial Inverts and Plantarflexes; if injured, can't stand on TIPtoes

Front 33

Superior gluetal nerve injury via posterior hip dislocation or polio

Back 33

Thigh abduction (positive trendelenburg sign)

Front 34

Inferior gluteal nerve injury via posterior hip dislocation

Back 34

Can't jump, climb stairs, or rise from seated position