Wk 4 - LE 7: Neuromuscular (power) Flashcards
1
Q
Work = ____ x ____
A
force x distance
2
Q
Power is the rate of doing work with respect to _____
A
time
3
Q
Power (W) =
A
Force x velocity (d/t)
4
Q
Power is strength with ____
A
speed
5
Q
Force is inversely related to _____
A
velocity
6
Q
Cross-bridge cycling depends on _____ ______
A
ATP turnover (in and out of ATP)
7
Q
Fast twitch muscle fibres breakdown ATP ______ than slow twitch
A
faster
8
Q
What performs a fast reuptake of Ca++ ??
A
The sarcoplasmic reticulum (SR)
9
Q
Muscle power is influenced by ______ _____
A
motorunit recruitment
10
Q
longer muscles (often fusiform) tend to shorten quicker or slower?
A
quicker
11
Q
In many movements, muscle ______ quickly before it can ______
A
lengthens to contract
12
Q
Does the rate of ATP hydrolysis (breakdown) and cross-bridge cycling influenced by temperature?
A
Yes
