Create an account
a measure of the heart's ability to pump blood to the rest of the body. activities: running, cycling, rowing, swimming
the ability of muscles to exert a force against resistance. activities: weights, resistance bands, calisthenics, core building
ability of muscles to exert a force over a period of time against a resistance less than the maximum an individual can move. activities: resistance band, squats, weight training, crunches
ability of a joint and surrounding muscles to move freely and comfortably through its intended range of motion. activities: stretching
intense activity, like a spring; burst of max energy; improves strength, flexibility, and speed
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together