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Dear Dr. Donohue: Some time ago, I remember reading what you wrote about isometric exercises. It intrigued me at the time. I forgot the details. Will you have another go at it? -- K.R. Dear K.R.: ...

When it comes to the gym, isometric exercises probably aren't the first movements that come to mind. But with 4.4k of you Googling 'isometric exercises' each month, you're probably curious to find out ...

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.

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, ...