Elbow

Question 1

bones that make up the elbow region

Answer 1

humerus, radius, ulna

Question 2

elbow joints

Answer 2

humero-ulnar joint, humero-radial joint, proximal radio-ulnar joint,

Question 3

head of radius specific articulations

Answer 3

capitulum, radial notch

Question 4

all elbow and radioulnar joints muscles are innervated from ___, ____, ___ and ____ nerves of the brachial plexus.

Answer 4

median, musculotaneous, ulnar and radial

Question 5

what movements does the elbow pivot

Answer 5

supination and pronation

Question 6

what movements does the elbow hinge

Answer 6

flexion and extension

Question 7

explain the flexion of the elbow

Answer 7

movement of forearm to shoulder by bending the elbow to decrease its angle

Question 8

describe extension of the elbow

Answer 8

movement of forearm away from shoulder be straightening the elbow to increase its angle

Question 9

the elbow can move from ___ degrees of extension to ___ to ___ degrees of flexion

Answer 9

0, 145-150

Question 10

describe pronation of the elbow

Answer 10

internal rotary movement of radius on ulna that results in hand moving from palm up to palm down position

Question 11

Describe supination in the elbow

Answer 11

external rotary movement of radius on ulna that results in hand moving from palm down to palm up position

Question 12

radioulnar joint supinates ___ to ___ degrees from neutral

Answer 12

80 to 90

Question 13

radioulnar joint pronates ___ to ___ degrees from neutral

Answer 13

70 to 90

Question 14

what are the ulnar collateral ligament bands

Answer 14

anterior band, posterior band, transverse band

Question 15

Ulnar collateral = ___

Answer 15

medial collateral

Question 16

radial collateral = __

Answer 16

lateral collateral