The starburst side plank variation strengthens the shoulders, abs and obliques. Here's why we love it at Tom's Guide.

Abs, schmabs. Despite the standing reputation as the hallmark of fitness, a toned belly doesn't really mean much (just that your body fat percentage is low enough to show your abdominal muscles).

Ever noticed how tough it feels to hold a plank for just a minute? That is the magic of isometric exercises. They do not need ...

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You don't necessarily need to do a ton of high-impact moves in your workouts. Case in point: isometric exercises, or static holds, that recruit your muscles with time under tension. These can look ...

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 ...

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Jennifer Lopez is known as much for her sculpted physique as she is for her music, movie roles and romantic partners. Her former trainer, Jay Cardiello, revealed to The Post how he helped J.Lo achieve ...