Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low ...

For countless people, January signals the time to get fit, with gym sign-ups soaring, workout kit flying off the shelves, and ...

Better posture. Weak upper abs often result in poor posture and spinal misalignment, but by targeting these muscles, you can ...

Fitness Pro Superhuman Troy demonstrates a SuperHuman weighted abs workout using the Balloon Method approach. Missing ...

If your goal is a visibly stronger core, remember there’s no single method that guarantees a six-pack. Forget gimmicks and ...

Here's our annual list of the famous women surprising us to be our best selves. Read heat's Fit List 2026 on heatworld.com.