A CSCS coach shares 5 bodyweight exercises after 50 that target the waist and core with no equipment or gym needed.

Most strength-focused exercise falls into one of two broad categories: resistance training and bodyweight training. Here’s what each involves.

Biceps versus triceps. Press-ups versus pull-ups. Chocolate protein powder versus strawberry. Certain fitness debates just never go away. Yet one particular argument has been raging since the day man ...