Start on all fours. Extend your right arm in front of you and your left leg behind, actively reaching in opposite directions. Keep your hips and shoulders square to the floor, and avoid letting your ...

Chair exercises for hip strength after 65, from CSCS Jarrod Nobbe. Rebuild steadier hips with 4 simple moves.

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 ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Staying strong and toned after 55 doesn't mean you have to spend hours lifting heavy weights at the gym. There are plenty of ...

We’ve all been there: holding at the bottom of a squat or plank, feeling your legs start to quiver like crazy. Congrats—you’ve experienced the burn of an isometric hold. These strength-boosting pauses ...