The BOSU Band Side Raise works the glutes, core and inner thighs. Rest your midsection on a BOSU balance ball, loop a resistance band around your ankles and lie on one side with your feet stacked one on top of the other.
The arm closer to the floor should be bent to a 90-degree angle, forearm resting on the floor and hand positioned at ear level supporting your head. Your other arm should be brought across your midsection, elbow bent at 90 degrees and palm planted firmly on floor. Brace your core and lift your top leg up to the ceiling, keeping your hips stacked. Maintain tension on the band at all times. Hold then bring leg back down. Switch sides and repeat the entire process for your other leg.