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What Is the Difference Between Building Muscle and Toning? Here's What a Doctor Says

One expert sets the record straight.

Many women fear building muscle because they think it will make them look bulky. Instead, they prefer the concept of "toning." But is there even a difference between the two? Dr. Shannon Ritchey, PT, DPT, is a physical therapist and personal trainer who helps people build muscle via "Gentle Consistency," she explains in her Instagram bio. In a new post, she tackles the question: What's the difference between building muscle and toning? You might be surprised by the answer.

This Is What Building Muscle Requires​

Dr. Ritchey explains that building muscle requires the following. First, "Using challenging enough resistance and taking each set close to failure," she says. It also involves diet. "Eating enough protein (the RDs we work with recommend .75-1g per pound of body weight per day)" she reveals.

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​This Is What Toning Requires

Toning (body recomposition) requires three things. "Using challenging enough resistance and taking each set close to failure," she says. It also required "eating enough protein (the RDs we work with recommend .75-1g per pound of body weight per day)," she says, and also "nutrition for fat loss," with her RDs recommending either maintenance calories or a small deficit.

​Toning and Muscle Building Workouts Can Be the Same


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"The fitness industry has made us believe that a toning workout looks different than one that builds muscle. This implies that light weights/high reps burn or spot-treat fat, which isn't true," she says.

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​You Don't Have to Lift Super Heavy to Build Muscle

"You don't have to lift super heavy to build muscle. Studies show that sets as high as 30 taken close to failure can build as much muscle as lower rep/higher weight. But if you're doing much more than 30 reps, it isn't shown to build much (if any) muscle for most," she says.

​Here Are Tips to Know If You're Lifting Heavy Enough

In another post, she reveals 4 tips to know if you're lifting heavy enough. "Getting close to failure matters most for muscle growth. Any rep scheme from about 6-30/set will work. Focus less on reps and more on your proximity to failure in each set. That's why we don't count reps and don't give you a timer. We give the time frame as a reference, but always say to stop the set sooner or take it longer to reach YOUR failure point," she says.

​Tip One: You Shouldn't Be Able to Do More Than 30 Reps

Her first tip to know if you're getting close to failure? "You shouldn't be able to do more than about 30 reps with that weight. If you can, go heavier," she says.

​Tip Two: You Should Need to Take a Break

"After your final rep, set the weight down and break for a few seconds. You weren't close to failure if you could easily keep going after a short break. This is because approaching failure recruits larger muscle fibers, which require minutes to recover, not seconds. Smaller muscle fibers can recover within seconds," she says.

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​Tip Three: Your Last Rep Should Take Longer

Tip three? "Try to perform your last rep quickly (of course with good form!). A decrease in rep speed is one of the most reliable ways to know you're close to failure. If you can quickly perform the movement, you aren't close to failure, and you can either do more reps or go heavier," she says.

​Tip Four: You Feel a Spike in Heart Rate in Last Few Reps

"If you feel a spike in heart rate in your last few reps, you're likely close to failure. Larger muscle fibers require more energy, which can increase heart rate. Some lifts will more drastically increase heart rate than others, so this isn't the most reliable test, but it can be helpful," she says. And if you enjoyed this article, take advantage of these 15 Quick Ways to Lose Body Fat Percentage in a Week.

Leah Groth
Leah Groth is a writer for Eat This, Not That! Read more