Jack Knife – Kettlebell Exercise Guide with Photos


Exercise Advice: Lay on your back (on the ground or exercise mat) and completely stretch out with your arms and legs fully extended. Grasp a kettlebell with both hands and position it behind your head with your arms extended. Simultaneously raise the kettlebell up along with your upper body and also raise your right leg up while crunching your abdominals. Slowly lower the kettlebell down to the starting position and repeat with the opposite leg.


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