Isometric exercises like wall sits, planks, and glute bridges hold the body in one position for a set period of time. Muscles are contracted and engaged, but they don’t lengthen during the exercise.

Static isometric exercises—the sort that involve engaging muscles without movement, such as wall sits and planks—are best for lowering blood pressure, finds a pooled data analysis of the available ...

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.