More Griffey,
Notice the front knee lift making the front leg shorter and more flexed then the backside. The backside is in control and sets the the front side back down. Or as everyone can see the swing sets the front foot down.
Notice the front knee lift making the front leg shorter and more flexed then the backside. The backside is in control and sets the the front side back down. Or as everyone can see the swing sets the front foot down.