lec 6

Question 1

where is the radial groove?

Answer 1

1. posterior humoral shaft

Question 2

what is another name for the radial groove?

Answer 2

1. spiral groove

Question 3

what is another name for radial?

Answer 3

1. bicipital

Question 4

Biceps branchii
short head

origin
insertion
main action

Answer 4

1. coracoid process
   2 radial tuberosity
2. flexion of supinated forearm, supination of the flexed forearm

Question 5

Biceps branchii
long head

origin
insertion
main action

Answer 5

1. superior rim of glenoid fossa
2. radial tuberosity
3. flexion of supinated forearm, supination of the flexed forearm

Question 6

coracobrachialis
origin
insertion
axtion

Answer 6

1. coracoid process
2. middle of humeral shaft
3. flexion, adduction

Question 7

brachialis

Answer 7

1. anterior surface of the humerus
2. coronoid process of ulna
3. flexion of the forearm

Question 8

anterior means what

Answer 8

1. flexor

2. supination

Question 9

posterior means what

Answer 9

1. extensor

2. pronator

Question 10

anterior compartment of the arm is innervated

Answer 10

musculocutaneous nerve

Question 11

posterior compartment of the arm is innervated

Answer 11

radial nerve

Question 12

triceps branchii
medial head

origin
insertion
action

Answer 12

1. posterior surface of humerus below radial groove
2. olecranon
3. extension of forearm

Question 13

triceps branchii
lateral head

origin
insertion
action

Answer 13

1. posterior surface of the humerus above radial groove
2. olecranon
3. extension of forearm

Question 14

triceps branchii
long head

origin
insertion
action

Answer 14

1. infraglenoid tubercle of scapula
2. olecranon
3. extension forearm and arm

Question 15

the axillary/brachialis artery 1. runs from about where to where

2. divides into what and what opposite of what
3. branchial artery gives off what artery which accompanies what?

Answer 15

1. midpoint of clavicle to midpoint of the cubital fossa
2. divides into radial and ulnar arteries opposite of radial neck
3. deep brachial (profunda branch) artery which accompanies radial nerve

Question 16

cephalic vein

1. superficial vein that drains what; joins what in what

Answer 16

1. lateral side of the upper limb
2. axillary vein
3. deltopectoral triangle

Question 17

basilic vein

1. superficial vein that drains the what and joins what part of the axillary vein

Answer 17

1. medial side of the upper limb

2. distal part

Question 18

the cephalic and basilic veins drain what and what

Answer 18

skin and cutaneous tissue

Question 19

the muscles are drained by

Answer 19

1. brachial =veins which are paired deep veins that accompany brachial artery

Question 20

since there are 3 bones at the elbow to has how many joints?

Answer 20

3

Question 21

what are the joints at the elbow?

Answer 21

1. humeroulnar joint
2. proximal radioulnar joint
3. humeroradial joint

Question 22

humeroulnar joint is important for what?

Answer 22

flexion/extension

Question 23

proximal radioulnar joint is important for

Answer 23

pronation/supination

Question 24

humeroradial joint is important for

Answer 24

pronation/supination

Question 25

ulnar collateral and radial collateral ligaments
1. restrict movement across what

2. collateral ligaments

Answer 25

1. humeroulnar joint

2. prevent side-to-side deviation and rotation of a huge joint thus performing only flexion/extension

Question 26

annular ligament
1. convert the radial notch into what. which does what during what

2. nursemaid’s elbow is what

Answer 26

1. converts radial notch into a pivot joint which the radial head
2. rotates
3. pronaation/supination
4. partial dislocation of radial head

Question 27

the olecranon process of the ulna is the what

Answer 27

tricep insertion

Question 28

the medial epicondyle of the humerus is grooved for what and common for what

Answer 28

1. ulnar nerve

2. flexor origin

Question 29

lateral epicondyle of the humerus

1. common what

Answer 29

1. extensor origin