Week 7: Movements of the elbow & wrist Flashcards
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Elbow joint: Type, articulation, uniaxial
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Synovial hinge joint
humero-ulnar
humero-radial
proximal radio-ulnar
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Biceps Brachii function, attachment and NS?
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Proximal:
Long head: supraglenoid tubercle of the scapula
Short head: coracoid process of scapula
Distal: radial tuberosity
Action: forearm supination and elbow flexion; shoulder flexion
NS: musculocutaneous
Brachialis Func, Attach and NS?
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P.A: anterior surface of distal 1/2 of humerus
D.A: coronoid process and ulnar tuberosity
A: ebow flexion
NS: musculocutaneous and radial
Coracobrachialis FANS?
P.A: coracoid process of scapula
D.A: middle 1/3 medial surface of humerus
Action: shoulder flexion and adduction
NS: musculocutaneous
Triceps Brachii FANS?
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Proximal:
Long head: infraglenoid tubercle of scapula
Lateral head: posterior humerus superir to radial groove
Medial head: posterior humerus inferior to radial groove
Distal: olecranon process of ulna
Action: Elbow extension
NS: Radial n.
Anconeus FANS?
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P.A: lateral epicondyle of humerus
D.A: olecranon process and superior posterior surface of ulna
Action: elbow extension; dynamic stabilsier of elbow
NS; radial nerve
Proximal Radio-ulnar joint components and type?
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Synovial pivot joint
Anular ligament
head of radius
Radial notch of ulna
Distal radio-ulnar joint compentents and type?
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Synovial pivot joint
Head of Ulnar
Ulnar noch of radius
articular disc
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radio carpal articulations and type?
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Synovial condyloid joint
Palmar radiocarpal
Dorsal radiocarpal
Ulnar collateral
Radial collateral