How To: Exercise with the lying on back with legs moving side

Learn how to exercise by lying on your back and moving your legs side to side.
EXERCISE DETAILS:
Primary Muscle Group: abs and obliques
Secondary Muscle Group: hip flexors
Training Type: weight training
Level of Difficulty: 3
Sport Specific: baseball, boxing, field hockey, football, golf, ice hockey, rugby, ski alpine, tennis, volleyball, wrestling
Position: face up, flat
Movement Variation: bilateral
Plane of Motion: transverse
Joint Action: spine rotation