Week 7: Movements of the elbow & wrist Flashcards
Elbow joint: Type, articulation, uniaxial
Synovial hinge joint
humero-ulnar
humero-radial
proximal radio-ulnar
Biceps Brachii function, attachment and NS?
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?
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?
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?
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?
Synovial pivot joint
Anular ligament
head of radius
Radial notch of ulna
Distal radio-ulnar joint compentents and type?
Synovial pivot joint
Head of Ulnar
Ulnar noch of radius
articular disc
radio carpal articulations and type?
Synovial condyloid joint
Palmar radiocarpal
Dorsal radiocarpal
Ulnar collateral
Radial collateral