questions Flashcards
what are the nerves for supraspinatus and infraspinatus?
A. axillary c5c6
b. radial c678
c. dorsal scapular c3c4
d. suprascapular c5c6
d. suprascapular c5c6 for supraspinatus and infraspinatus
what is the nerve root for brachioradialis?
a. musculocutaneous c5c6
b. radial nerve c5c6
c. axillary nerve c5c6
d. radial nerve c6c7
b. radial nerve c5c6 for brachioradialis
what is the nerve root for anconeus and triceps brachi?
a. radial c6c7c8
b. radial c5c6
c. radial c6c7
d. radial c4c5
c. radial c6c7 is the nerve for triceps brahii
what are the nerves for teres minor?
a. axillary c56
b. axillary c45
c. axillary c67
d. dorsal scapular c5c6
a. axillary c5c6 is the nerve for teres minor
what nerve innervates pronators?
a. ulnar
b. median
c. radial
d. musculocutaneous
b. median
teres - c6 c7
quadratus - c8 T1
Inability to perform pronation could be an injury to which nerve?
a. ulnar
b. median
c. radial
d. axillary
b. Median
Which of these muscles is not innervated by the median nerve
a. pronator teres
b. pronator quadratus
c. palmaris longus
d. flexor carpi ulnaris
d. flexor carpi ulnaris
inability to flex the IP joint of thumb could be an injury to which nerve?
a. ulnar
b. radial
c. median
c. median
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
d. proximal 2/3 lateral supracondylar ridge of humerus
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
a. flexion of PIP 2-5
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
b. flexion of DIP 2-5
What is the palmaris longus insertion?
a. medial epicondyle
b. lateral epicondyle
c. palmar aponeurosis , distal flexor retinaculum
d. only the palmar aponeurosis
c. palmar aponeurosis, distal flexor retinaculum
where does the flexor carpi radialis insert?
a. pisiform
b. hook of hamate
c. base of 4th metacarpal
d. base of 2nd metacarpal
d. base of 2nd metacarpal is where the flexor carpi radialis
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
d. pisiform / hook of hamate / base of 5th metacarpal is where the flexor carpi ulnaris
The flexor carpi ulnaris has 2 origins.
True or False
True
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
c. medial epicondyle and posterior border of ulna and olecranon process
Anconeus is the prime mover for what action ?
a. elbow extension
b. pronation
c. is not a prime mover of anything
d. elbow flexion
c. is not a prime mover of anything
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
A. pronation
Why is flexor digitorum superficialis SUPER SPECIAL?
it is the only one that has roots C7C8 annnd T1
All flexors on forearm and pronators are all innervated by median nerve except flexor carpi ulnaris.
True or false?
True
flexor carpi ulnaris is only innervated by ulnar nerve
Side note
flexor digitorum profundus has both median annnnd ulnar nerve
Flexor digitorum superficialis has an origin along the ulnar collateral ligament?
true or false?
True the flexor digitorum superficialis has part of its origin at the ulnar collateral ligament
Flexor digitorum superficialis has an attachment at the radius and flexor digitorum profundus has an attachment at the ulna?
true or false
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
The teres major innervation (motor only ) includes the _ root?
a. c3
b. c5
c. c7
d. none of these
b c5
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
c. subscapularis
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
a. short head of biceps
