Foot Prop Setup
One foot is placed on the block or book while lying on the ground. A block or book can be used as the foot prop for the drill. The opposite knee is driven toward the chest during the drill.
1 sources - 3 claims
One foot is placed on the block or book while lying on the ground. A block or book can be used as the foot prop for the drill. The opposite knee is driven toward the chest during the drill.