major force for movement
Naming Muscles
I). Classifying Muscle Function
A). Agonist or Prime Mover
|
major force for movement |
B). Antagonists
|
oppose a specific movement. |
C). Synergist
|
Aid prime movers |
D). Fixators
|
muscles origin immobile. |
Depending on the type of movement, the same muscle can function in all three categories
II). Attachments
A). Insertion (I):
moves the bone.
B). Origin (O):
less movable.
C). Direct attachments:
the muscles outer connective tissue fuses to the bone.
D). Indirect attachments:
the muscles outer connective tissue extends and forms a tendon that connects to the bone
III). Naming of Muscles
A). Location of the muscle
B). Shape of the muscle
C). Relative size of muscle
|
Maximus |
|
Minimus |
|
Longus |
|
Brevis |
D). Number of origins
|
Biceps |
|
Triceps |
|
Quadriceps |
E). Location of the attachments
F). Action