elbow joint

Question 1

what type of joint is the elbow joint

Answer 1

synovial, uniaxial, hinge

Question 2

what are the 2 joints of the elbow joint?

Answer 2

1) ulnohumeral joint

2) radiohumeral joint

Question 3

what are the articulations for the ulnohumeral joint?

Answer 3

trochlea articulates with trochlear notch

Question 4

what are the articulations for the radiohumeral join?

Answer 4

capitulum articulates with superior head of radius

Question 5

what movements occur at the elbow joint

Answer 5

flexion and extension

Question 6

when the elbow is in full flexion the coronoid process (ulna) sits in ______ (humerus)

Answer 6

coronoid fossa

Question 7

when the elbow is in extension the trochlea (humerus) sits in ________ (ulna)

Answer 7

trochlear notch

Question 8

when the elbow is in full extension the olecranon process (ulna) is locked in the __________ (humerus)

Answer 8

olecranon fossa

Question 9

olecranon bursa

Answer 9

sits between olecranon process and skin

Question 10

what are the 2 ligaments of the elbow

Answer 10

1) medial collateral ligament/ulnar collateral

2) lateral collateral ligament/radial collateral

Question 11

what are the articulations of the medial collateral ligament

Answer 11

medial epicondyle to the edge of the trochlear notch

Question 12

what does the ulnar collateral ligament restrict

Answer 12

abduction

Question 13

what are the articulations of the lateral collateral ligament

Answer 13

lateral epicondyle to the annular ligament

Question 14

what does the radial collateral ligament restrict

Answer 14

adduction

Question 15

medial epicondylitis

Answer 15

• “golfers elbow” or “pitchers elbow”

- microtears in MCL

Question 16

lateral epicondylitis

Answer 16

• “tennis elbow”

- microtears in LCL