Exercise, including resistance training, acts as a stress on the body. We're accustomed to thinking of stress as a negative, but when it comes to training, stress applied in the correct doses is a good thing – because stress is the trigger that causes physiological adaptation to occur.
For example, apply the correct amount of aerobic stress to the body and it will adapt by becoming more aerobically fit. Similarly, apply the correct level of stress using resistance training, and the body reacts by increasing muscle size and strength. Thus, when it comes to training, stress applied in the correct doses produces positive results.
However, one of the challenges for lifters is that the body adapts quickly. The trick, then, is to manipulate the stress of exercise often enough to keep the adaptation rate at an optimal level while avoiding becoming over trained.
While there are a number of variables (e.g., rest times, sets and reps, training speed, training intensity) you can manipulate to keep the stress of resistance training elevated, one of the most significant variables to manipulate is exercise selection.
By providing exercise variation each workout, and then adjusting the specific exercises performed every 4-6 weeks, the body will continually be faced with an elevated level of training stress.
For the lower body there are the typical barbell lower body exercises (squats, deadlifts, and straight leg deadlifts) that can be performed along with various exercise machines (leg press, hack squat, leg extensions, etc.).
However, one variation that isn't often considered is performing lower body training with dumbbells. I've been using dumbbell lower body exercises to supplement the barbell lower body exercises we perform with my collegiate athletes with great success for a number of years now.
Some of you might be thinking that it will be impossible to overload the musculature of the lower body using dumbbells, but I guarantee that if you perform these exercises with strict technique and high intensity, you'll be fully aware of your training the next day.
Training with dumbbells also provides some specific advantages:
Even when performing an exercise that requires the barbell to be held in the hands, such as a straight leg deadlift (SLDL), the load placement still differs because the barbell is held in front of the legs, in contrast to performing SLDL's with dumbbells where the dumbbells are held to the sides of the legs.
When the load placement differs the muscle recruitment pattern, by necessity, also changes. This variation in muscle recruitment helps keep both the stress of exercise and thus the rate of adaption elevated.
The following are some of my favorite dumbbell variations of the classic lower body barbell exercises. In terms of programming, use the same training protocol on dumbbell days as barbell days.
For example, if in a hypertrophy training cycle, do these dumbbell lower body exercises for 4 sets of 8-12 repetitions with 60 seconds of rest between sets. If in a strength cycle, perform 5 sets of 3-6 repetitions with 2 minutes rest between sets.
To assist you, exercise technique instructions are provided as well as common mistakes to avoid. Video demonstrations are also included, so that you can see the exercises performed correctly.
Squats are still the "king of exercises" and you can't beat deadlifts for building brute strength, but even the most stripped down lifter needs a little variety from time to time.
For some lower body variations that are both challenging and build serious size and strength, take a look beyond the barbell. Take some (or all) of these dumbbell variations out for a test drive and stay ahead of your body's adaptation curve.
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