"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...

Mastering push-ups and pull-ups requires progressing from building strength to developing muscular endurance. Conquering your first repetition of these calisthenics exercises is a matter of strength, ...

This is a challenging calisthenics/run workout with active rest in the form of pushups. Do this as a fast 100-meter run (near ...

Katrina Carter, DPT, FNS, is a licensed travel physical therapist. She specializes in orthopedics and has a passion for providing education on nutrition for healing and overall health and wellness.

Story by Brett Williams, NASM, Ebenezer Samuel, C.S.C.S. AB TRAINING SHOULD be more than just an afterthought for the last 10 minutes of your workout routine. The majority of your favorite strength ...