AbMat Sit-Ups (Diamond Sit-Up) Build Strength and Endurance With
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Lie on your back, and open your legs into a diamond shape (aka butterfly legs) with the soles of your feet pressed together and knees out wide. Extend your
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10 Sit-Up Variations (From Easiest to Hardest) - Steel Supplements
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10 Sit-Up Variations (From Easiest to Hardest) - Steel Supplements
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ABmat for Sit-Ups - GymBeam
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AbMat Sit-Ups (Diamond Sit-Up), Build Strength and Endurance With This Heart-Pumping 30-Minute CrossFit HIIT Workout
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