Pendulum crunches

Pendulum crunches. This exercise works abdominal muscles, hip joints, and lower back. Start by lying flat on a mat. Stretch your arms to your side and raise your legs straight up. Keeping your torso firm, roll your legs to the left, hold for two seconds and return to center. Roll your legs to the right, hold for two seconds and return to center. Repeat to your desired set count.
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