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When you're about to complete a heavy round of squats or one-arm chest presses in a crowded gym, you probably reach for the first heavy object you can get your hands on—be it a kettlebell or dumbbell. If you work out at home, you may be limited to using one type of weight per workout.
Are you having a hard time deciding between kettlebells and dumbbells, whether for your home gym or workout program? Kettlebells and dumbbells each have their own advantages and disadvantages. With this in mind, it can be hard to determine which one is the right one.
Benefits of Kettlebell Training
Kettlebells are popular because of their unique free-form training model. When training with kettlebells, the center of gravity of the weight is not in the hands, so when using it, you will naturally use your whole body to control it. Therefore, kettlebells are very suitable for improving coordination and mobility. In addition, when performing movements such as kettlebell swings, the unstable center of gravity can train how to mobilize muscle strength more effectively.Thicker handles also exercise the hands and strengthen the grip for deadlifts. On the other hand, kettlebells can exercise muscles that are not often used in other traditional sports, which is beneficial for building stable muscle groups.
Benefits of Dumbbell Training
The biggest benefit of training with dumbbells is that they provide a variety of training options. Dumbbells can be used from the upper body to the lower body, and can also be used as a substitute or auxiliary for barbell training. Additionally, the shape and weight of the dumbbells can provide more freedom and range of motion, reduce the risk of injury, and help strengthen stabilizing muscles. Another benefit of dumbbells is that they are great for performing single-part strengthening exercises to improve muscle strength, performance, and aesthetics. When training bilateral movements, if one side of the muscle is weak, it can help correct muscle imbalance through unilateral training.
The Difference Between Kettlebells and Dumbbells
Kettlebells vs. Dumbbells: Weight Distribution
Kettlebells and dumbbells have different weight distributions due to their different shapes. A kettlebell has a bell shape with a flat ball on one end and a handle that curves on the other, so its weight is distributed just below the handle. Dumbbells consist of a straight handle with two equal-sized weights on each end so the weight is evenly distributed. In turn, a kettlebell is inherently less stable than a dumbbell, so it requires your body to put in more effort to stay stable.
Kettlebells vs. Dumbbells: Handle Shape and Range of Motion
Another major difference between kettlebells and dumbbells is their handles — the shape and how it affects your movement pattern. Because the handle of a kettlebell is located above the weight, it can accommodate two hands when gripped from the outside or inside, whereas dumbbells can usually only accommodate one hand.
These differences are especially significant when it comes to the strength and range of motion you can achieve during certain exercises. The handle of a kettlebell, combined with its uneven weight distribution, makes it ideal for ballistic exercises such as the kettlebell swing, clean and jerk, and snatch. For example, during a kettlebell swing, you use one or both hands to explosively swing the weight from the ground to your eye level in a wide arc, which helps build power. While this swinging motion can be done with dumbbells, it may not be as effective or comfortable due to the evenly distributed weight and straight handles of dumbbells. In short, in most cases, the shape and weight distribution of the kettlebell will make for a smoother, safer movement.
When to Use Kettlebells and When to Use Dumbbells When Working Out
To determine which strength training tools you should incorporate into your workout, first consider the goal of the individual exercise at hand: Is it strength, stability, or power? If your goal is to develop dynamic strength, then you should choose kettlebells instead of dumbbells. By performing more popular kettlebell exercises like swings and snatches, you'll be engaging multiple muscle groups working together. If you just want to lift weights and build strength, choose dumbbells instead of kettlebells. With dumbbells, you can do basic moves like bicep curls while still building strength, whereas with kettlebells, it’s a little more challenging. The shape of the kettlebell allows for a more fluid and isolated movement, helping you focus on specific muscle groups. One study showed that using dumbbells can significantly improve strength compared to using kettlebells for dynamic movements. If you're not planning on doing more challenging movements and just want to focus on strength goals, dumbbells will suffice.
For beginners, learning to use dumbbells is often easier than learning to use kettlebells due to the latter's uneven weight distribution and unique shape. In other words, when choosing kettlebells or dumbbells, choose based on your goals and fitness level. They are both great and have amazing benefits.