Shannon Ritchey, PT, DPT, explains what body recomposition is and how long it takes to lose fat and gain muscle. She also ...

The Navy unveiled its new physical fitness assessment cycle on Tuesday, requiring sailors to undergo two PFAs per calendar ...

If your New Year's resolution is to start resistance training, Life Kit is here to help. Sign up for our Guide to Building ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.