Perform three sets of 30 to 45 seconds of walking, resting for 1 to 2 minutes between sets. The wall sit is a classic isometric exercise that burns out your quads, glutes, and core. It's a great ...

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.