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.

Here, the muscles are contracting isometrically to hold this gymnast in the crucifix position and are not changing length. When the isometric contractions end, isotonic contraction will occur.

Other exercise programs (isometric and isotonic exercises) have the potential to decrease pain while continuing sport activities [Kongsgaard, 2010; Naugle 2012]. The aim of this study was to compare ...