Corenswet's physical trainer breaks down the routine that helped the formerly svelte actor put on 40 pounds of muscle—and how ...

Fitness trainer Alissa Mosca and ergonomist Jonathan Puleio share tips to prevent office chair butt, including ergonomic chairs and movement to combat muscle atrophy.

Dr. Brooke Bussard shares 4 bodyweight moves that sculpt your body better than machines by working more muscles at once.

What you need: Dumbbells and a cable machine. This workout focuses on building upper-body ... Push through your heel to lift your hips, squeezing your glutes at the top. Lower back down and repeat for ...

including hamstrings and glutes), improve knee stability or correct muscle imbalances. Also known as a hamstring curl, the two conventional machine-based variations we'll be explaining are the lying ...

The new "Superman" film is finally hitting theaters this Thursday. Starring for the first time in the lead role is David ...