Windshield Wipers (Ground)

Skill Level: Advanced
Category: Core, Obliques

Windshield Wipers
      
1)Shoulders stay flat on ground
2)Use hands on ground for
 support/stability
3)Legs squeezing tight
4)Neutral head position
5)Let feet fall to 6 inches off 
ground on both sides before 
switching sides
6)Keep hip angle at 90 degrees