elbow joint Flashcards
Bones of the elbow joint
Humerus, radius + ulna
Types of syonvial joints found within the elbow joint
Condylar, trochlear + trochoid (pivot)
The condylar joint between … and … allows for … and …
The humeral condyle + the head of the radius, flexion-extension + rotation on a longitudinal axis
The trochlear joint between … and … allows for … only
The humeral trochlea + the ulna, flexion-extension
The trochoid joint between … and … allows for …
The radial head + radial notch in the ulna, pronation-supination
Name the 3 ligaments of the elbow joint that allow for flexion-extension
Radial + ulnar collateral ligament, anular ligament
The radial collateral ligament arises from … and goes to …
The lateral epicondyle, the supinator crest in the ulna
The anterior portion of the ulnar collateral ligament arises from … and inserts into …
Medial epicondyle, tuberculus sublimis in the ulna
Name the 3 components of the ulnar collateral ligament
Anterior, posterior + transverse
The anular ligament of the radius goes from … to …
Anterior border of the radial notch in the ulna to the posterior border
Name the 2 ligaments of the proximal radio-ulnar joint that allow for pronation-supination
Anular ligament of the radius + quadrate ligamente
Explain the trajectory of the quadrate ligament
It goes from the inferior border of the radial notch (ulna) to the anteromedial surface of the radial neck
The radio-ulnar syndesmosis is made up of …
The interosseous membrane + the oblique cord
The distal radio-ulnar joint is made up of… (ligaments)
The dorsal + palmar radioulnar ligaments
Structure found on the head of the ulna in the distal radio-ulnar joint that separates it from the carpal bones
Articular disc
