"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you tend to breeze through the "easy" part of an exercise—like lowering into a squat or letting your ...

When people think about exercise or weight training, they tend to focus on concentric exercises: those powerful movements that shorten muscles, like curling a dumbbell or powering upward in a squat.

Add Yahoo as a preferred source to see more of our stories on Google. There are actually three phases of each rep: the concentric (the “up” portion), the eccentric (the “lowering” portion), and the ...

Slow and controlled is the best way to heighten your life. A new study has found that eccentric exercises, when done properly, can contribute to health span. In traditional weightlifting, three ...

Modern exercise culture has spent years glorifying exhaustion. The harder a workout feels, the more effective people assume it must be. Sore muscles became badges of honor, while gentle movements were ...

Working out has a science of its own. Scientists categorize different workout activities based on how the muscles are used while performing them: to understand this clearly, consider the popular bicep ...