If you’ve ever held a plank, paused at the bottom of a squat or pressed your palms together in front of your chest, you’ve done an isometric exercise. Ta-da! These holds might look simple — after all, ...

Isometric, isotonic, and isokinetic exercises refer to the different techniques for activating and strengthening muscles. Isometric exercises, like planks, involve activating muscles with no movement.

If you want to lose back fat, there's something you should know: There's no such thing as spot reduction. While it's definitely possible to lose back fat, a better goal is to strengthen your back or ...