AbMat Sit-Ups (Diamond Sit-Up), Build Strength and Endurance With This Heart-Pumping 30-Minute CrossFit HIIT Workout

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
This CrossFit workout is designed to maximize your time and get your heart pumping for 30 minutes using high-intensity intervals and basic CrossFit exercises

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CrossFit One World

30 Minute INTERMEDIATE HIIT Workout with Weights + Abs and Core (TOTAL BODY WORKOUT)

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