You don't necessarily need to do a ton of high-impact moves in your workouts. Case in point: isometric exercises, or static holds, that recruit your muscles with time under tension. These can look ...

Stop struggling at the midpoint of your lift; discover how holding heavy loads in a fixed position can re-wire your nervous system for explosive strength gains.

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.