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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 ...