Lab Muscles 1 Flashcards
1
Q
What is a muscle origin?
A
The fixed point of the muscle attached to bone, connective tissue, or cartilage
2
Q
What is insertion?
A
The movable end attaching to another structure, such as skin.
3
Q
What is an action?
A
The movement caused by a contraction?
4
Q
Brachialis
A
O: Anterior distal 2/3s of the humerus I: Coronoid Process of Ulna A: Flexes Ulna
5
Q
Orbicularis oculi
A
O: medial orbital margin I: skin surrounding eye A: closes eyelids
6
Q
Frontalis
A
O: epicranial aponeurosis I: skin over eyebrow A: elevates eyebrows
