Marks' tried-and-tested formula for the arms and abs lasts 10 minutes and involves just three exercises performed on repeat.

A safe combination of traditional exercises can allow for a productive chest workout with a hand injury. Ask your doctor or physical therapist which workouts are best for you.

Crunches and situps are both ab exercises that target your core, but they aren't the same. Crunches work the upper abs and ...

Training everything all at once is good for functional fitness and longevity. Here are five expert-approved exercises to keep ...

“I never do crunches, ever, and I don’t like planks,” trainer and Oner Active athlete Hayley Madigan told me.

Squeeze your abs at the top of the movement. Return to the starting position and repeat on the other side. Alternate sides throughout the set, keeping your core engaged. Recommended Sets and Reps: ...