Topic 4 - Extensors of the elbow Flashcards

1
Q

M.anconeus

A

O: Lat. supracondylar crest and lat.+med. epicondyles of humerus
I: Proc.anconeus on olecranon
A: Extend the elbow

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2
Q

M.tensor fascia antebrachii

A

O: From m.latissimus dorsi+margo cau. scapulae
I: Med. on tuber olecrani, then radiates into fascia antebrachii
A: Tense antebrachial fascia and extend elbow

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3
Q

M.triceps brachii

A

O: -caput longum from distal 2/3 of margo cau. scapulae, -caput mediale from prox. med. surface of humerus, -caput laterale from linea tricipitis of humerus, -caput accessorium from cau. of collum humerii
I: Tuber olecranii
A: Extend elbow, -caput longum also flex shoulder

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