Side-lying exercises strengthen muscles that are "crucial for holding an edge and angulating, says Fabrocini.
A. Side-lying Leg Lifts: Lying on your side, lift your upper leg to 45 degrees and slowly lower. Repeat 10 times per side.
B. Side-lying Plank: Lying on your side, lift your hips up until your body is in a straight line. Balance on the elbow and foot that are touching the floor. Once balanced, attempt to lift your top leg up, holding for 3 seconds. Repeat 10 times per side.
C. Plank With Ball: Lie sideways on a fitball with one shoulder on the ball and your feet on the floor. When balanced, lift your top leg and hold for 3 seconds. Repeat 10 times per side.