Health & Fitness Guide Core: Yes. Most kettlebell workouts include squats, lunges, crunches, and other moves that work your abs and other core muscles. Arms: Yes. The kettlebell is used as a weight for arm exercises like single-arm rows and shoulder presses. Legs: Yes. Lunges and squats are among the most popular moves in a kettlebell workout. Glutes: Yes. Your tush will be toned by using the kettlebell for added weight during lunges and squats. Back: Yes. Using a kettlebell for a dead lift helps tone your back muscles. Type Flexibility: Yes. Working out with kettlebells will improve your flexibility. Aerobic: Yes. This is a high-intensity workout that will get your heart rate pumping. Strength: Yes. The kettlebell is an effective weight that will build muscle strength. Sport: No. This is a fitness activity, not a sport. Low-Impact: No. You can expect to be running, jumping, and doing other high-intensity moves.