force regulation Flashcards
1
Q
What affects force during muscle contractions?
A
- Number and type of motor units
- Muscle length
- Neural stimulation
2
Q
How does motor unit recruitment affect force?
A
More motor units and fast-twitch fibers = more force.
3
Q
How does muscle length affect force?
A
• Less than optimal: less force
• Optimal: most force
• More than optimal: no force
4
Q
How does neural stimulation affect force?
A
Faster impulses = stronger, longer contractions.
