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, ...

Time under contraction is not directly measured in a typical weight training program. Matt Parrott, a freelance writer, is director of business development and population health solutions for Quest ...

New research indicates a little bit of daily activity is more beneficial than longer periods of exercise spread out across the week -- and happily, it also suggests you don't have to put in a mountain ...