The Sissy Squat is one of my favorite warming up exercises for any other type of squat. It warms up the joints and muscles with very little risk under a very light load. It is excellent for rehab or mobility work, since you can work through a greater range of motion than when your back is experiencing compression loads (bar on your shoulders). It’s also excellent to include in General Physical Preparedness. GPP should be a large part of your early training efforts, and might be a good inclusion in a year-long training cycle just to make sure you’re not missing anything while you’re training for other more specific goals.…