Lunges and stepping on a box, or step-ups, are both effective lower body exercises. The exercises can be performed using only body weight as resistance or you can hold dumbbells or a barbell to make the exercises more challenging. Lunges and stepping on a box offer several benefits including efficiently strengthening and conditioning the muscles and joints of your lower body.
Work Multiple Muscle Groups at Once
Lunges and step-ups work multiple muscle groups simultaneously. While the target muscles are the quadriceps and glutes -- your calves, hamstrings, abdominals and back muscles are also worked. These secondary muscles are used primarily to stabilize the joints of your lower body as well as keep your torso stable and upright. Working several muscle groups at once will burn more calories and offer a more efficient workout than exercising one muscle group at a time.
Stronger Glutes and Quads
The gluteus maximus and the quadriceps are the target muscle groups for both lunges and step-ups. The glutes work to extend your hips and the quads work to extend your knee, both of which are necessary for lunges and step-ups. While step-ups work both muscle groups evenly, variations of a lunge can be performed to work each muscle more intensely. Taking a small step with your front leg during a lunge will isolate the quadriceps while a large step predominantly targets the glutes. Adding hand weights to these exercises will further improve muscle strength.
Improved Flexibility
While lunges and step-ups are primarily thought of as strength-training exercises, they can also help improve flexibility. During a lunge, the hip flexors and quadriceps of the back leg are stretched, improving hip flexibility. The same is true for step-ups, especially when stepping onto a tall box. Lunges can also help improve flexibility in your knee and ankle joints.
Improved Muscular Balance
Lunging or stepping on a box requires you to work one leg at a time, thereby forcing each leg to work equally. Other exercises such as squats allow you to subconsciously lean to one side or the other. Over time this will lead to one leg being stronger than the other. This is not the case with lunges or stepping on a box. These exercises will also help improve your overall balance by conditioning the muscles, tendons and ligaments responsible for stabilizing your hip, knee and ankle joints.
References
- "ACSM's Resources for the Personal Trainer"; Second Edition; Nicki Anderson, et al.; 2007
- "Strength Training Anatomy, Second Edition"; Frederic Delavier; 2006
- ShapeFit: Butt Exercises - Walking Dumbbell Lunges
- American Council on Exercise: Dumbbell Step-up
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