Elbow Joint (MA)

Question 1

Articulation

Answer 1

1. Humeroulnar: trochlear of the humerus and trochlear notch of the ulna
2. Humeroradial: capitulum of the humerus and head of the radius

Question 2

Joint type

Answer 2

Hinge type of synovial joint

Question 3

Associated ligaments

Answer 3

Ulnar collateral , and radial collateral

Question 4

Associated bursae

Answer 4

Subcutanteous olecranon bursa (located in the subcutaneous tissue o er the olecranon, and it helps to prevent friction between the bony prominence and the skin)

Subtendinous olecranon bursa (found between the triceps tendon and the olecranon)

Bicipitoradial bursa (aka biceps bursa) (located between the biceps tendon and its point of attachment on the radial tuberosity)

Question 5

Motions

Answer 5

1. Flexion and extension
   it also has what is called the carrying angle which is when: the trochlea of the humerus which is located medially, projects a bit more inferiorly than did the capitulum, and this creates an angle of the forearm with reference to the long axis of the humerus, van be anywhere from 10-15 degrees as noted above: it is called the carrying angle because it allows us to carry things keeping them away from our bodies