How to Exercise with the lying trunk rotation on bosu w/ ball

Learn how to exercise by doing lying trunk rotations on bosu with the flat side down with a medicine ball and your feet up.
EXERCISE DETAILS:
Primary Muscle Group: abs and obliques
Secondary Muscle Group: hip flexors
Base Movement: trunk rotation
Equipment: bosu flat down, medicine ball
Training Type: balance and stability, weight training
Level of Difficulty: 4
Sport Specific: baseball, boxing, field hockey, golf, ice hockey, ski alpine, tennis, volleyball, wrestling
Position: bent knee, face up, feet up
Movement Variation: bilateral
Plane of Motion: transverse
Joint Action: spine rotation
Direction: side