Soc 12 Muscle Fibers Flashcards
1
Q
How do the skeletal and muscular systems work together
A
All muscles are connected to the nervous system which allows movement to start through signals from the brain, joints bones and muscles make up your muscoloskeletal system and work to create movement.
2
Q
Type I
A
Slow twitch muscle fibers used in aerobic exercises and activities built for endurance and are not very fast
3
Q
Type 2a
A
Fast twitch muscle fibers used anaerobicly these fibers would be used in a 200-400m race
4
Q
Type 2x
A
Yeah
5
Q
Point of origin
A
When the muscle flexes and extends the bone that doesn’t move (immobile)
On the end of the bone
6
Q
Point of insertion
A
The bone that moves (mobile)
Approximately on the end of the bone