"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." What it's best for: Very cushioned, this workout mat is ideal for high-intensity and core workouts in ...

Strengthen your core, hips, quads and back using this abs exercise to build full-body strength, endurance and stamina. The hollow hold is an isometric exercise, which means your muscles contract ...

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

To learn whether or not your upper-body strength level is where it should be—or needs a bit of a boost—we spoke with experts.

Join instructor Sina Riemann for a 15-minute pilates class for core stability. Riemann takes you through a series of moves designed to strengthen and stabilize your core from the center abdominals to ...

The core muscles give vital support to your lower back and help you stand, maintain balance, and carry out important movements. We look at some effective core exercises for seniors, the correct way to ...

Estrogen is an important hormone for maintaining muscle quality, with a big impact on tendon and joint elasticity, but it ...

Rarely do we think about ab exercises outside of when we’re doing plank exercises or a set of crunches, but your abs are a large and important muscle group that helps us perform many movements ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Side planks trains your ...

Draw your belly button inward as you breathe into your ribs. Make sure to not over-engage your glutes or hold your breath.