Pilates Single-Leg Stretch – Work your core By uslivecom - May 20, 2024, 7:21 am Modified date: May 20, 2024, 7:21 am 0 Share FacebookTwitterPinterestWhatsApp Lie faceup. Bring both knees in toward your chest, place your hands on your shins, and curl your head up off the floor. Extend one leg out at a time, alternating sides. Keep your lower back on the floor and your core engaged throughout.