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Should you strength train with resistance bands or dumbbells?

If you suffer from back pain, want to challenge your core or don't have much room for exercise equipment at home, resistance bands are for you.

When starting a strength-training routine, most people head to the weight rack. But when it comes to working your muscles, dumbbells aren't the only tool available. Resistance bands have become an increasingly popular way to add a strength component to workouts and increase muscle tone.

Resistance band exercises are popular for good reason: compared to other fitness equipment, they’re inexpensive, easy to store and simple to use at home (or anywhere for that matter).

But do resistance band workouts really work? Who should be using them? And what is the best way to work out with a resistance band? For answers, we turned to orthopedic clinical specialist and physical therapist Erika Mundinger.

“Can you get toned, can you get strong, can you get a good workout with resistance bands and hit weight-loss goals? Absolutely,” Mundinger says.

What's the difference between resistance bands and dumbbells?

First, what’s the difference in strength training with resistance bands versus weights? “If I grab a 15-pound dumbbell, the resistance of that 15 pounds stays consistent throughout the entire contraction,” that’s known as an isotonic contraction, Mundinger explains. “And then there's isokinetic, which is what we get from the resistance bands, and that's where the resistance changes as I move. [When] I grab that resistance band to do a bicep curl towards me, that resistance is going to get harder on the top and easier as I bring my hand back down. The more we are going through the motion, the resistance actually changes. So it just strengthens the muscles a little bit differently.”

Various bands come in different levels of resistance. “Each brand is going to have their own pretty rainbow color scheme,” Mundinger says, “and it’s pretty standard that lighter colors are typically lighter resistance, and as it gets darker it gets harder.” When you can consistently maintain your form through a full range of motion with a band, you can begin to work your way up to the next one, she says.

How do I start working out with resistance bands?

All you need is a set of bands and something stable to fasten them to. Emphasis on stable: If you try to anchor them to a table leg, “unless it’s like an oak table that seats 12 you’re going to pull the table over,” Mundinger says. Think a banister or post, or if you actually have a home gym, a squat rack.

“If you don't have something to anchor them to, that means you're going to be anchoring them underneath your foot or your arm,” Mundinger says. In that case, “the most versatile ones are the long tubes with the handles.”

Are there disadvantages to resistance band exercises?

“It's hard to know exactly how much resistance you're pulling with,” Mundinger says, so people who really want to be scientific about the amount of weight they're lifting won’t be able to do that. They’re also not as helpful for training power moves like Olympic lifts, she adds.

“And you're probably not going to get quite as ripped,” she says. “Because the resistance is changing as I move, I can't take my body through a full range of motion." With a squat, for example, "I can't get my body to do a full deep squat with resistance bands unless they're really light," she added. "To get big and strong and ripped like we would with full-body motions that we can do with dumbbells, kettlebells and barbells, it's hard to do because you're going to be starting at the bottom with really light resistance and ending with really hard resistance, and it's just impossible to create that power motion.”

What’s the benefit to using resistance bands?

“Because it is isokinetic and it gets harder as you move through, we start to activate our stabilizer muscles a lot more,” Mundinger says. “So the more I'm pulling on that band, the more my core muscles have to engage, the more I'm raising my arms up overhead, the more my stabilizer muscles around my shoulder blades have to engage. So in physical therapy we love resistance band isokinetic stuff because it really trains that core stability.”

They can also help you improve your other workouts, including those using dumbbells. After working with resistance bands, “when I go back to those big foundational moves like the bench press or the squat or the deadlift, I am stronger because I have those accessory muscles now engaging more,” Mundinger says. "Even if you’re not hitting the weight room, they're just great for overall functional strength that I need to have throughout my day.”

Can I use resistance bands if I have injuries?

Physical therapists love resistance bands, Mundinger saiys. “They’re a good exercise for people who have injuries to be able to still build some core strength and stability and not flare up injuries and inflammation.”

Isokinetic exercises allow you to perform a lot more repetitions with lighter resistance, which comes with a lower risk of injury compared to performing isotonic exercises, she says. They also make it easy to “modify and substitute and limit your range of motion as much as or as little as you need to,” she adds.

For anyone who can’t load their lumbar spine with barbell squats, you can still train body-weight squats with bands, Mundinger says, “and then you get the cardiovascular component of the squat without causing back pain.”

Do resistance band workouts burn belly fat?

OK, but we all want to know: Can we burn fat specifically in the stomach area?

“Are you going to burn belly fat because you're burning calories and getting a workout? Yes,” Mundinger says. Can you isolate your belly to burn fat with resistance bands? Not exactly. "Normal exercise will help you be able to do that," Mundinger says. "You will burn belly fat because you are working out, period.”

Try these resistance band workouts: