Sabrena Jo, Ph.D., senior director of science and research at the American Council on Exercise, has decades of experience helping people find ways to become physically active. From working one-on-one ...

Planks: Doing a plank helps improve core strength and stability while strengthening the abdominals, back, and shoulders. Start with a 20-second plank, and as you get more comfortable, hold it for as ...

Looking for the exercise equivalent of a magic bullet? That one perfect move that delivers maximum results in minimum time? While fitness infomercials have been promising such miracles for decades, ...

Trainers share five proven moves to firm triceps and shoulders. Build definition and reduce arm jiggle with clear tips.

These chair exercises tackle belly fat effectively, giving older adults a simple way to strengthen their core.

The quest for a slimmer waistline remains one of the most common fitness goals in 2025. While spot reduction is a myth, certain exercises prove more effective at engaging the core muscles and ...

Tighten your lower belly with 1o trainer-approved moves—sets, reps, and guidance to burn fat and firm your core.