From burpees to the 40% rule, flex your trivia muscles and show that your gym gains include brain reps too!
In Can't Hurt Me, former Navy SEAL David Goggins says when you think you’re maxed out, you’ve only tapped part of your potential—what does he call that principle?
40% Rule
Which hero workout honors Navy SEAL Lt. Michael P. Murphy and is a Memorial Day staple in CrossFit gyms?
Murph
A 100-burpee workout done in short all-out bursts with brief recoveries shouldn’t be done more than four times a week. What training style is that?
HIIT
True or false: In strength training, squats are considered a compound move that works multiple muscles at once.
True
If you lose fat and gain muscle but your weight stays the same, what metric matters more than the scale?
Body composition