Elbow

Question 1

Bones that make up the elbow?

Answer 1

humerus
ulna
radius

Question 2

What are the three common x-ray views?

Answer 2

Lateral
A/P
Oblique

Question 3

What is the function of the elbow?

Answer 3

Shortens and lengthens the upper extremity

Question 4

What does the complex do?

Answer 4

links the wrist and shoulder to enhance function

allows variable positioning of the hand

permits the palm to face up or down without moving the shoulder

Question 5

what are the three elbow articulations?

Answer 5

humeroulnar
humeroradial
superior and inferior radioulnar joints

Question 6

humeroulnar and humeroradial

Answer 6

are uniaxial diarthrodial joints with 1 degree of freedom
sagittal plane flexion-extension - coronal axis

Question 7

superior and inferior radioulnar joints

Answer 7

are uniaxial diarthrodial pivot joints with 1 degree of freedom
transverse plane supination-pronation - longitudinal axis

Question 8

triangular fibrocartilage complex (TFCC)

Answer 8

• proximally articulates with ulnar head
• distally attaches to radiocarpal joint
• supported by the dorsal (posterior) and palmar (anterior) radioulnar ligaments.
• triangular articular disc attachment