Nerves - LE Deficits

Question 1

ventral rami L1-L3

Answer 1

loss of stabilization of hip joint and flexion of thigh

Question 2

femoral nerve

Answer 2

loss of stabilization of hip joint and flexion of thigh, extension and flexion of leg, lateral rotation, abduction of thigh, maintaining extended leg

Question 3

lumbar plexus branches

Answer 3

loss of stabilization of hip joint and flexion of thigh

Question 4

obturator nerve

Answer 4

adduction of thigh, flexion and extension of thigh, medial and lateral thigh rotation, flexion of leg

Question 5

sacral plexus (nerve to quadratus femoris)

Answer 5

lateral thigh rotation

Question 6

sacral plexus (nerve to obturator internus)

Answer 6

lateral thigh rotation

Question 7

branches of lumbosacral plexus

Answer 7

abduction of thigh and lateral thigh rotation

Question 8

tibial division of sciatic nerve

Answer 8

thigh extension, leg flexion

Question 9

peroneal division of sciatic nerve

Answer 9

leg flexion, thigh extension

Question 10

deep peroneal nerve

Answer 10

ankle dorsiflexion, extension of all five toes, foot inversion and eversion

Question 11

superficial peroneal nerve

Answer 11

ankle plantar flexion, eversion of foot

Question 12

tibial nerve

Answer 12

ankle plantar flexion, flexion of all five toes, leg flexion, unlocking knee, foot inversion

Question 13

lateral plantar nerve

Answer 13

abduction and flexion of pinky toe, adduction and flexion of big toe, abduction, flexion, and extension of 2-4

Question 14

medial plantar nerve

Answer 14

abduction and flexion of big toe, flexion and extension of other toes

Question 15

thoracodorsal (middle subscapular) nerve

Answer 15

humeral adduction, extension and medial rotation

Question 16

ventral rami C3 and C4

Answer 16

scapular elevation and inferior rotation of the lateral border

Question 17

dorsal scapular nerve

Answer 17

scapular elevation and inferior rotation of the lateral border, scapular retraction

Question 18

medial and lateral pectoral nerves

Answer 18

humeral adduction, flexion and medial rotation, scapular protraction, depression of the shoulder

Question 19

long thoracic nerve

Answer 19

scapular protraction, upward rotation of lateral angle of the scapula

Question 20

accessory nerve

Answer 20

scapular elevation, depression, retraction, superior rotation of lateral angle

Question 21

C3-C5

Answer 21

scapular elevation, depression, retraction, superior rotation of lateral angle

Question 22

axillary nerve

Answer 22

humeral flexion and extension, medial and lateral rotation, abduction, and stabilization of glenohumeral joint

Question 23

upper subscapular nerve

Answer 23

stabilizes glenohumeral joint, medially rotates and adducts humerus

Question 24

lower subscapular nerve

Answer 24

stabilizes glenohumeral joint, medially rotates and adducts humerus

Question 25

suprascapular nerve

Answer 25

initiates humeral abduction, stabilizes glenohumeral joint, lateral rotation of humerus

Question 26

musculocutaneous nerve

Answer 26

flexion of arm and forearm, supination of forearm, adduction of arm

Question 27

radial nerve

Answer 27

flexion of forearm, extension of arm and forearm, abduction and extension of thumb, abduction, adduction and extension of hand, extension of fingers, supination of forearm

Question 28

median nerve

Answer 28

flexion and abduction of hand, flexion of fingers, pronation of forearm, flexion of forearm

Question 29

ulnar nerve

Answer 29

flexion and adduction of hand, flexion of 2-5

Question 30

deep branch of the ulnar nerve

Answer 30

abducts and flexes pinky, adducts thumb, abducts, adducts, flexes, and extends 2-5, opposition of pinky

Question 31

recurrent branch of the median nerve

Answer 31

abducts thumb, flexes thumb, opposition of thumb