Let's take a minute to discuss the two very different variations of the back squat: the differences in techniques and what effects have on a lifter's musculature.  Often dubbed the king of all lifts, the squat in general has tremendous impacts on all the major muscle groups in the human body, not just the hamstrings and quadriceps.  The low bar and high bar variations of the squat target and utilize nearly the same muscles, but shift the balance from the posterior and the anterior chain. High Bar Squat I'm going to start...

What's the difference between a pull-up and a chin-up?  More importantly, which of the two is best for muscle development? What's the difference? Very simply put, the only actual difference in form is the grip.  A chin-up is performed with the palms facing the body (supinated grip) while a pull-up is performed with the palms facing away from the body (pronated grip).  There is also a different variation possible with some bars that feature parallel handles called a neutral grip, with the palms facing each other. Which variation is better? Both are excellent compound pulls...