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
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
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