What's best, sticking to your program no matter what, or mixing it up based on how you feel that day? Here's what science says.
Most athletes have low levels of this vitamin. And only one type of it will keep your strength gains coming. Here's the science.
Turns out, more pain doesn't equal more gain. Here's the latest science.
High intensity interval training can be done using aerobic or strength-based workouts. Which is better for big lifters? Here's the new science.
Most people don't according to this new study. Check it out.