O&A Elbow And Forearm Flashcards
What type of joint is the elbow joint?
Hinge synovial
What are the articulating surfaces of the elbow joint?
Trochlea and capitulum of humerus articulates with trochlear notch of ulna and head of radius (covered in hyaline)
What ligaments are associated with the elbow joint?
Ulnar collateral ligament
Radial collateral ligament
Annular ligament
What are the movements of the elbow joint?
Flexion and extension
What is the carrying angle of the elbow joint?
13° of valgus
What type of joint is the proximal radio-ulnar joint?
Pivot synovial
What are the articulating surfaces of the proximal radio-ulnar joint?
Head of radius articulates with radial notch of ulna
How is the radial head held into position?
By the anular ligament
What are the movements of the proximal radio-ulnar joint?
Supination and pronation
What type of joint is the distal radio-ulnar joint?
Pivot synovial
What are the articulating surfaces of the distal radio-ulnar joint?
Round head of ulna articulates with ulnar notch on medial side of distal end of radius
What are ligaments associated with the distal radio-ulnar joint?
Anterior and posterior ligaments
What are the movements of the distal radio-ulnar joint?
Rotation