When I’m short on time and equipment (often), I use a medium to heavy kettlebell and get to work strengthening my core ...

How to do it: Hold the weight close to your chest at shoulder-level with both hands on the handle and palms facing each other ...

Complete the prescribed repetitions on one arm, then switch sides and repeat. 6. Kettlebell single-arm floor press Sets: 2. Reps: 8 on each arm. Lie on your back on the ground. Hold a kettlebell ...