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Appendicular Skeleton (upper body)
Radius & Ulna: movements and ligaments
20
Anatomy
Undergraduate 2
10/03/2016

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Cards

Term
Radial head
Definition
rounded proximal end
Term
neck
Definition
constriction just below the head
Term
shaft
Definition
body
Term
Radial styloid process
Definition
sharp pointed projection at distal end
Term
Ulnar notch
Definition
medial side notch for ulna at distal end
Term
Radial tuberosity
Definition
roughening just below the head of the radius for insertion of the biceps
Term
Trochlear
Definition
Term
trochlear notch
Definition
notch on ulna to fit into trochlea of humerus
Term
coronoid process
Definition
sharp anterior edge of trochlear notch
Term
olecranon
Definition
large, thick posterior bone at the proximal end.
Fits into the olecranon fossa of the humerus
Term
Radial notch
Definition
lateral facing notch at the proximal end to accommodate the head of the radius
Term
Ulnar styloid process
Definition
sharp pointed projection at the distal end
Term
Ulnar head
Definition
distal end
Term
Define: Intrinsic Medial (ulnar) collateral ligament
Definition
thickened part of capsule on medial side
Term
fibers in the Medial (ulnar) collateral ligament run from the ______ (landmark) downward to the _______ (landmark) and forward to the _______ (landmark)
Definition
medial epicondyle, olecranon, coronoid process
Term
what is the purpose of the Intrinsic Medial (ulnar) collateral ligament?
Definition
give medial support to the elbow
Term
Define: Intrinsic lateral (radial) collateral ligament
Definition
thickened part of capsule on the lateral side
Term
fibres in the intrinsic lateral (radial) collateral ligamnet run from the ___________ (landmark) to the _____ (bone) and _______ (ligament)
Definition
lateral epicondyle, radius, annular ligament
Term
What is the purpose of the Intrinsic annular ligament
Definition
keeping the dead of the radius in the radial notch
Term
fibres of the annular ligament run from the _____ (anterior/posterior) edge of the ______ (landmark) of the ulna to the ______ (posterior/anterior) edge of the ______ or around the _____ of the radius
Definition
anterior, radial notch, posterior, radial notch, head
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