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.

Time under contraction is not directly measured in a typical weight training program. Most people really don't even think about the number of seconds a given muscle is forced to work. Indirectly, ...

The word "eccentric", you’ll know, is most commonly used to describe someone or something unconventional – but in the world of fitness, it means something quite different. Thankfully, eccentric ...

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 ...