Humeroulnar Joint

Question 1

How many joints in the elbow complex

Answer 1

3
- Humeroulnar
- Humeroradial
- Proximal Radioulnar

Question 2

Joint type of humeroulnar

Answer 2

uniaxial hinge synovial joint

Question 3

Humeroulnar concave convex rule

Answer 3

trochlea of humerus is convex in sagittal plane and concave in frontal plane. It articulates with concave trochlear notch of the ulna

Question 4

Arthrokinematics Humeroulnar Joint Flexion

Answer 4

flexion-anterior glide of the ulna on the
humerus at end range;

Question 5

Arthrokinematics Humeroulnar Joint extension

Answer 5

extension-dorsal glide of the ulna
on the humerus at the end of range.

Question 6

RP of humeroulnar joint

Answer 6

70° flexion

Question 7

CPP humeroulnar Joint

Answer 7

Full extension and supination

Question 8

CP humeroulnar joint

Answer 8

loss of flexion > extension, pronation/supination intact.

Question 9

Normal end feel

Answer 9

Flexion – soft tissue approximation
Extension – bony
Pronation – ligamentous (tissue stretch) or bony
Supination – ligamentous

Question 10

Goal for humeroulnar distraction

Answer 10

decrease pain and increase overall ROM

Question 11

goal for humeroulnar joint compression

Answer 11

decrease effects of immobilization