Solid footwork and proper footwork are critical in the Snatch and Clean and Jerk. The ability to jump and land effectively can make or break how it feel to cause a barbell to go upward and then how we move our body around the bar to catch it.
This video shows proper jumping and landing and how it translates to the Snatch and Clean Jerk. Starting from the top of the hips in the Pockets or High Hang position and working down to the knees and finally to the floor to perfect technique.