With so much conflicting information out there, it’s hard to know what you should and shouldn’t be doing in your workout. While almost every type of activity is positive, wasting time isn’t.

Gal Gadot bulked up for her role as Wonder Woman, packing on an impressive 17 pounds of muscle through rigorous training.

Ab Ripper X is the core component of P90X, one of the best-selling workout DVDs in history. It's a 90-day program, but how long does it take to see results?

Whether you run for exercise or for sport, there are few other natural body motions that can compete with the overall caloric burn of running in general. Occasionally, running can lead to muscle problems severe enough to require surgery and months of rehabilitation.

Both the chin up and neutral grip chin up are great exercises, but one may be better than the other in certain situations.

Yoga can be an integral part of a muscle mass-building routine, as long as you choose poses that require strength rather than meditation.

Pilates offers exercises to tone and build endurance in your butt muscles. Whether these make your butt bigger depends on your genetics and fitness level.

Excessive cardiovascular exercise uses energy the body requires to build muscle mass. Running is a cardiovascular exercise, which explains why bodybuilders spend little time on the treadmill. Performance enhancement coach Rachel Cosgrove, C.S.C.S.

The thruster is one of the most commonly utilized compound movements in CrossFit. We explore how to perform this multi-joint movement.

You should do a moderate amount of cardio while bulking to maintain fitness and improve performance and recovery.

Building muscle at home takes consistency and a proper workout and diet plan. Weightlifting equipment helps but isn't necessary.

Periodized workouts help you keep your progress going steadily by planning your workouts in advance.