When workouts are shorter, the nervous system is less taxed, and muscles are better able to perform close to their capacity.
Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." PLANNING A SMART workout takes more ...
"Hearst Magazines and AOL may earn commission or revenue on some items through these links." PLANNING A SMART workout takes more than just effort. Don't just move from station to station trying moves ...