The Elbow - The Elbow Structure Quite complex Humero-ulnar...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
The Elbow Structure Quite complex Humero-ulnar joint is a true hinge joint
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Humero-radial joint is a gliding joint o but it is like a restricted ball and socket joint The ulna articulates with the trochlea which is a spool like process on the medial aspect of the distal end of the humerus The radius articulates with the capitulum which is a spherical knob on the lateral aspect of the distal end of the humerus The elbow cannot abduct or adduct because the annular ligament encircles the radius and binds it to the radial notch of the ulna Both the ulna and the radius are enveloped in an extensive joint capsule The capsule is strengthened by four ligaments: o anterior o posterior o radial collateral o ulnar collateral
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Movements of the Elbow: 1. Flexion 2. Extension o both flexion and extension ROM = 140-145 ° 1. Pronation 2. Supination o Both pronation and supination ROM = 120-140 ° o medial rotation of the shoulder accompanies pronation when elbow is extended
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

The Elbow - The Elbow Structure Quite complex Humero-ulnar...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online