abs exercises

8 Sit Up Abs Exercises to Build a 6 Pack and Strong Core

A strong core is essential for Crossfit and always comes first, but six pack abs are also fun.

3. RUSSIAN TWIST

Grab a medicine ball, dumbbell, or weight plate and sit on the floor with your hips and knees bent 90 degrees. Hold the weight straight out in front of you and keep your back straight, your torso should be at about 45 degrees to the floor. Explosively twist your torso as far as you can to the left, and then reverse the motion, twisting as far as you can to the right. The strength you need to paddle a raft is generated in your core, not your arms or shoulders. This is great for your obliques as well as six pack abs.

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