In a YouTube breakdown of the study, Dr. Wolf points out that three other studies support similar findings, showing that ...

Have you heard of agonist and antagonist muscle pairings before? This relationship between your muscles refers to opposing muscle groups, working in tandem, and their function to control and ...

Squeeze your shoulder blades, then pull your chest toward the bar. Hold when you've pulled your chest to the bar, then slowly ...

Stronger arms after 40? A celebrity trainer explains how to do it right—no ego lifting, just smarter full-body training.

We’ve covered contrast training before – and its ability to build strength and explosive power by combining heavy and dynamic exercises – but Sipes' take on the method was aimed squarely at building ...

Have you heard of agonist and antagonist muscle pairings before? This relationship between your muscles refers to opposing muscle groups, working in tandem, and their function to control and ...

Find out how to do superset exercises. Learn about what muscles are used, the health benefits of superset exercises, and mistakes to avoid.

Discover how muscle imbalance silently causes joint pain and injuries, plus the expert-recommended strategies to restore balance and prevent future problems.

The hamstrings and quadriceps muscle groups work as opposing muscles to keep the pelvis stable; however, the movements and forces involved in running make this task much more difficult.

This is due to a concept called “reciprocal inhibition,” which basically states that by activating one muscle, you automatically allow the opposing muscle group to relax.