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UNIT 3 ELBOW AND FOREARM JOINT AND LIGAMENTS
Unit 3 Elbow and Forearm Joint and Ligaments PTAP 125 Winter 2010
10
Biology
Undergraduate 1
02/28/2010

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Term
ELBOW JOINT IS COMPOSED OF
Definition
humeroulnar & humeroradial joint
Term
HUMEROULNAR JOINT
Definition
articulation b/w ulnar and humerus
Term
HUMERORADIAL JOINT
Definition
articulation b/w radius and humerus
Term
ELBOW JOINT TYPE
Definition
uniaxial, hinge, filled with synovial fluid
Term
LIGAMENTST THAT SUPPORT THE ELBOW
Definition
medial (ulnar) collateral ligament, lateral (radial) ulnar collateral ligament, annular ligament
Term
MEDIAL COLLATERAL LIGAMENT (ELBOW)
Definition
connects medial epicondyle of humerus to the coranoid process and olecranon; limits the forearm from moving excessively laterally
Term
LATERAL COLLATERAL LIGAMENT (ELBOW)
Definition
connects the lateral epicondyle of humerus to the annular ligament and olecranon; limits the forearm from moving excessively medially
Term
ANNULAR LIGAMENT
Definition
wraps around the radial head; hold the head of radius with the radial notch of the ulna
Term
PROXIMAL & DISTAL RADIOULNAR JOINT
Definition
articulation b/w radius and ulna; uniaxial, pivot joints
Term
INTEROSSEOUS MEMBRANE
Definition
thin, strong fibrous sheet that binds together the radius and ulna; holds together the proximal & distal radioulnar joints
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