The Elbow Flashcards
3 joints of the elbow
Humeral ulnar
Humeral radial
Proximal radio-ulnar
Humeroulnar joint resting position
70 deg flexion
10 deg supination
Humeroulnar joint closed pack position
Full extension & supination
Humeroulnar joint capsular pattern
flexion & extension
Humeroradial joint resting position
Full extension & supination
Humeroradial closed pack position
90 deg flexion
5 deg supination
Humeroradial joint capsular pattern
flexion & extension
Humeroulnar joint axis of movment
Downward & Medial
responsible for carrying angle
Proximal Radioulnar joint resting position
70 deg flexion
35 deg supination
Proximal Radioulnar joint closed pack position
5 deg supination
Proximal Radioulnar joint capsular pattern
Equal limitation of supination and pronation
Carrying Angle Norms
Males: 5-10 deg
Females: 10-15 deg
shorter people have greater carrying angles
age does not affect carrying angle
Cubital Valgus
increase in carrying angle >15 deg
Cubital Varus
decrease in carrying angle <5 deg
Triangle Sign
relationship of Medial and Lateral epicondyes and the Olecranon
Flexion: 3 points form equilateral triangle
Extension: 3 points in a straight line