For many, the crunch is viewed as an unavoidable staple of core training. The exercise has long stood as a gold standard for every beginner trying to get ripped and strong abs. But as our knowledge ...

Vertical jump tutorial by Jordan Kilganon. He uses Vertec to measure, and also explains why Game 1 Lows help avoid slipping, resulting in a safer, better jump!

Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward gravitational force, we call this "projectile motion." Yes, that ...