Knee Pushup? Stop Wasting Your Time!
In the proper push up position, the feet are together, glutes are squeezed, and the back is in a neutral position. In other words, there should be no sag in the back and everything should be tight. Then, the entire body should move in straight line, with no sag and with your elbows at approximately…
Munster Bootcamp 12:51 pm 0