activity 7 Flashcards
1
Q
list the muscle hierarchy (largest to smallest)
A
- muscle organ
- fasicle
- muscle fiber(cell)
- myofibril
- myofilament
2
Q
Describe muscle origin
A
- muscle attachment closest to the midline
- More proximal region in the body
- Less moveable and more stable
3
Q
Describe Muscle Insertion
A
- muscle attachment furthest from the midline
- more distal to the origin
- more moveable
- can be attached to the skin
4
Q
Describe prime movers
A
Muscle that performs action
5
Q
Describe Synergist
A
A muscle that assist the prime movers or antagonist
6
Q
Describe antagonist muscles
A
A muscle that is relaxing or lengthening
7
Q
contractile proteins within the cell
A
myofilaments
8
Q
bundles of myofilaments
A
myofibrils
9
Q
bundles of myofibrils
A
fasicles
10
Q
describe sarcomeres
A
functional unit of contraction
