Shaw shares four low-impact exercises men 50+ should do daily to build and preserve strength. Maintaining cardio aerobic ...

Discover the surprising causes behind muscle soreness and explore effective remedies to alleviate post-workout aches. From eccentric exercise to metabolic waste accumulation, learn how to decode ...

Learn the difference between eccentric and concentric exercises, how each impacts your muscles, and which moves to try for strength, size, or injury prevention.

Trainers explain what eccentric exercise is, its health benefits, and examples of eccentric exercises you can do at home.

Learn about the concentric and eccentric phases of your workout—and why these workout stages are important.

Concentric contractions are the foundation of most strength exercises. You need to be able to move a load to build strength, and the concentric phase is where that effort happens, Chang says.