During a push press or jerk, what you do with your lower body is just as important as the upper body for efficient technique & performance🏋🏼‍♀️ . As you perform you dip phase of the movement, the knees should drive out to the side. This will help create a strong and efficient leg drive to propel the barbell over your head. The same goes for your jerk.✅ . If the knees drive straight forward or even worse, if they cave in, it leads to a less stable hip joint during the drive portion of the lift.