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Toning vs. Bulking Up: The Real Facts

5 Myths and Truths about Strength Training

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Everyone has an idea in their head when it comes to looking their fittest and healthiest. For some, it's fitting perfectly into a certain outfit, or walking on the beach in a bikini with total confidence. For others, it may mean seeing a defined midsection reflected in the mirror, or having strong, toned shoulders or legs. We all have our own goals for how we want to look and feel. Although your specific goals may be different from those of others, almost everyone wants to look and feel toned and fit.

But what does "toned" really mean? And is it different from "bulking" up? This article sets out to define just that—and to dispel some myths about toning, strengthening and bulking up.

What Is Toning?
When most people say that they want to "tone up," what they usually mean is that they want to become leaner. Basically, they want to lose fat, and add a little muscle definition—but not so much muscle mass that they look like a bodybuilder (much more on that later).

In the fitness world, there is no real definition for toning that is greatly recognized. Rather, toning is a term used to describe the end goal, which usually results from a combination of basic weight-lifting and fat-burning.

What about Bulking Up?
Typically, men want to "bulk up" and women usually wish to avoid building big, bulky muscles. Although there is no strict definition, "bulking up" means adding a lot of muscle mass to the body and possibly (although not always) reducing one's body fat, too. Bulking up harkens images of bodybuilders and big football players—usually male and usually beefy!

Toning, on the other hand, typically refers to aerobics instructors and Hollywood starlets who have lower amounts of body fat and some visible muscle, but not huge muscles.

So now that we have our definitions straight, let's move on to facts and the fallacies about toning up and bulking up.

The 5 Most Common Myths about Toning and Bulking Up


Myth #1: Lifting light weights will tone your body and lifting heavy weights will bulk you up.
The Truth: I'm not sure who first pioneered this idea that heavy weights will bulk you up, but it has stuck over the years and erroneously makes many people—both men and women—afraid of lifting heavy weights. While there is some truth to the idea that lifting lighter weights for more reps does a better job of increasing the muscular endurance, lighter weights will not help you "tone" better than heavy weights. In fact, because heavier weights build the strength of your muscles (and the size to a small degree—no Hulk action here), thereby helping to increase your metabolism and burn fat, lifting heavier weights with fewer reps (8 to 12 on average) and working until you're fatigued is more effective at helping you reach your toning goals than lifting lighter weights. Not to mention that it's more time efficient, too!
Myth #2: Building muscle and bulking up are one in the same.
The Truth: If you've been avoiding weights because you think that building muscle means that you'll bulk up, think again. When you lift weights that are challenging, you actually create micro-tears in the muscle fibers. These tears are then repaired by the body (this is where soreness comes from!) and in that process the muscle becomes stronger and a little bit bigger. However, because muscle tissue is more dense than fat, adding a little bit more muscle to your body and decreasing your fat actually makes you look leaner—not bigger. To really bulk up, you have to really work with that goal in mind. Bodybuilders spend hours and hours in the gym lifting extremely heavy weights, along with eating a very strict diet that promotes muscle gain. The average person's workout and diet—especially a calorie-controlled diet—doesn’t' result in the same effects.
Myth #3: Lifting light weights won't help you get stronger.
The Truth: When it comes to lifting weights, the secret to really getting stronger isn't about how much weight you're lifting. Instead, it's all about working your muscle to fatigue where you literally cannot lift the weight for another repetition. The August 2010 study from McMaster University that proved this found that even when subjects lifted lighter weights, they added as much muscle as those lifting heavy weights. However, the time it takes to reach fatigue with light weights is much longer than the time it takes to reach fatigue with heavier weights. So, if you're like most people and extra time is a luxury, it makes more sense to go heavy and then go home!
Myth #4: Women and men should lift weights differently.
The Truth: I see this one all the time at the gym. It's pretty common to see women lift 3- to 5-pound dumbbells to do biceps curls while men pick up the 20-pounders to do the same exercise. Although men are genetically stronger than women, they aren't that much stronger. Second, most women tend to stick to the weight machines or basic leg-work that target the rear end and abs (women's "vanity" muscles), while the guys at the gym are more likely to be seen working out with free weights or using barbells and—most often—focusing on their vanity muscles: the biceps and chest.
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About The Author

Jennipher Walters Jennipher Walters
Jenn is the CEO and co-founder of the healthy living websites FitBottomeGirls.com, FitBottomedMamas.com and FitBottomedEats.com. A certified personal trainer, health coach and group exercise instructor, she also holds an MA in health journalism and is the author of The Fit Bottomed Girls Anti-Diet book (Random House, 2014).

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