questions

Question 1

what are the nerves for supraspinatus and infraspinatus?
A. axillary c5c6
b. radial c678
c. dorsal scapular c3c4
d. suprascapular c5c6

Answer 1

d. suprascapular c5c6 for supraspinatus and infraspinatus

Question 2

what is the nerve root for brachioradialis?
a. musculocutaneous c5c6
b. radial nerve c5c6
c. axillary nerve c5c6
d. radial nerve c6c7

Answer 2

b. radial nerve c5c6 for brachioradialis

Question 3

what is the nerve root for anconeus and triceps brachi?
a. radial c6c7c8
b. radial c5c6
c. radial c6c7
d. radial c4c5

Answer 3

c. radial c6c7 is the nerve for triceps brahii

Question 4

what are the nerves for teres minor?
a. axillary c56
b. axillary c45
c. axillary c67
d. dorsal scapular c5c6

Answer 4

a. axillary c5c6 is the nerve for teres minor

Question 5

what nerve innervates pronators?
a. ulnar
b. median
c. radial
d. musculocutaneous

Answer 5

b. median
teres - c6 c7
quadratus - c8 T1

Question 6

Inability to perform pronation could be an injury to which nerve?
a. ulnar
b. median
c. radial
d. axillary

Answer 6

b. Median

Question 7

Which of these muscles is not innervated by the median nerve
a. pronator teres
b. pronator quadratus
c. palmaris longus
d. flexor carpi ulnaris

Answer 7

d. flexor carpi ulnaris

Question 8

inability to flex the IP joint of thumb could be an injury to which nerve?
a. ulnar
b. radial
c. median

Answer 8

c. median

Question 9

what is the origin of the brachioradialis ?
a. medial epicondyle
b. lateral epicondyle
c. anterior surface of ulna
d. proximal 2/3 lateral supracondylar ridge of humerus

Answer 9

d. proximal 2/3 lateral supracondylar ridge of humerus

Question 10

what is the primary action of the flexor digitorum superficialis ?
a. Flexion of PIP 2-5
b. Flexion of DIP 2-5
c. Flexion of hand/wrist

Answer 10

a. flexion of PIP 2-5

Question 11

what is the primary action of flexor digitorum profundus?
a. flexion of PIP 2-5
b. flexion of DIP 2-5
c. flexion of hand / wrist

Answer 11

b. flexion of DIP 2-5

Question 12

What is the palmaris longus insertion?
a. medial epicondyle
b. lateral epicondyle
c. palmar aponeurosis , distal flexor retinaculum
d. only the palmar aponeurosis

Answer 12

c. palmar aponeurosis, distal flexor retinaculum

Question 13

where does the flexor carpi radialis insert?
a. pisiform
b. hook of hamate
c. base of 4th metacarpal
d. base of 2nd metacarpal

Answer 13

d. base of 2nd metacarpal is where the flexor carpi radialis

Question 14

where does the flexor carpi ulnaris insert?
a. pisiform / hook of hamate / base of 2nd metacarpal
b. hook of hamate / lunate / base of 2nd metacarpal
c. pisiform / hook of hamate / base of 4th metacarpal
d. pisiform / hook of hamate / base of 5th metacarpal

Answer 14

d. pisiform / hook of hamate / base of 5th metacarpal is where the flexor carpi ulnaris

Question 15

The flexor carpi ulnaris has 2 origins.
True or False

Answer 15

True

Question 16

what is the origin of the flexor carpi ulnaris?
a. medial epicondyle and posterior border of radius and olecranon
b. lateral epicondyle and posterior border of radius and olecranon
c. medial epicondyle and posterior border of ulna and olecranon process
d. lateral epicondyle and posterior border of ulna and olecranon process

Answer 16

c. medial epicondyle and posterior border of ulna and olecranon process

Question 17

Anconeus is the prime mover for what action ?
a. elbow extension
b. pronation
c. is not a prime mover of anything
d. elbow flexion

Answer 17

c. is not a prime mover of anything

Question 18

pronator teres is a prime mover for which action?
a. pronation
b. pronation and flexion of elbow
c. pronation and radial deviation of wrist
d. pronation and ulnar deviation of wrist

Answer 18

A. pronation

Question 19

Why is flexor digitorum superficialis SUPER SPECIAL?

Answer 19

it is the only one that has roots C7C8 annnd T1

Question 20

All flexors on forearm and pronators are all innervated by median nerve except flexor carpi ulnaris.
True or false?

Answer 20

True
flexor carpi ulnaris is only innervated by ulnar nerve
Side note
flexor digitorum profundus has both median annnnd ulnar nerve

Question 21

Flexor digitorum superficialis has an origin along the ulnar collateral ligament?
true or false?

Answer 21

True the flexor digitorum superficialis has part of its origin at the ulnar collateral ligament

Question 22

Flexor digitorum superficialis has an attachment at the radius and flexor digitorum profundus has an attachment at the ulna?
true or false

Answer 22

True.
Flexor digitorum superficialis: originates at proximal half of anterior radius, medial epicondyle, ulnar collateral ligament, coronoid process of ulna
flexor digitorum profundus: originates at proximal 3/4 medial anterior ulna and interosseus membrane

Question 23

The teres major innervation (motor only ) includes the _ root?
a. c3
b. c5
c. c7
d. none of these

Answer 23

b c5

Question 24

which of these muscles attaches to the anterior surface of the scapula and assists in glenohumeral internal rotation ?
a. rhomboids
b. teres major
c. subscapularis
d. serratus anterior

Answer 24

c. subscapularis

Question 25

which of the following does NOT attach to the humerus?
a. short head of biceps
b. brachialis
c. brachioradialis
d. triceps brachii
e. each of these attaches to the humerus

Answer 25

a. short head of biceps