Here are some facts on Toning Vs. Bulking (from This Article written by Jennipher Walters, certified personal trainer and fitness instructor):
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….
Lighter weights will not help you “tone” better than heavy weights. In fact, because heavier weights build the strength of your muscles…, 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!…
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….
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!…
…if you really want to lose weight and get lean—no matter if you call that toning or bulking—people of both genders should have a strength-training plan in place that works every major muscle in the body at least 8 to 12 times, using a weight that is heavy enough that the last two repetitions are darn hard to lift. Only then is the body challenged enough to change, grow and adapt, making you stronger and leaner no matter if you’re male or female. Lifting this way is also a great way to lose weight….