10 Worst Pieces Of Common Fitness Advice That You Should Never Follow
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Most of us look to advice from others on how to get the best workout in, but this can sometimes backfire. Not every exercise tip is actually useful, and some might even end up hurting you. There is some fitness advice that you should just never follow, no matter how many people said it or where you read it. Knowing how to workout properly can help you not only get the results you want, but prevent you from getting an injury.

"How many of us have heard health and fitness advice from someone that might not be the most qualified or knowledgeable? Human health and fitness are highly complicated fields that do not always get the consideration that they deserve, and along with that, everyone has an opinion on what works," says personal trainer Billie Buss over email. "Along with that, the correct and science-based information that fitness professionals use is ever evolving. That is what it is of the utmost importance to train at a facility or with a trainer that has current and valid credentials."

It can be hard to know what advice to trust, which is why I've consulted with a number of certified trainers and fitness experts to come up with the worst common fitness tips you should never follow.

1"No Pain, No Gain"

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Some of the worst advice out there is if a person is not in pain, then there is no benefit to the exercise being performed. "It's normal to expect some muscle soreness when first beginning an exercise program or doing exercise above their normal frequency, intensity, or duration but there are times when pain is the body's signal to stop exercise and pay attention to an issue than could be made worse if the exercise is continued," says fitness specialist Blenda Cooper over email.

2"Exercise On An Empty Stomach"

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You may have heard it's best to workout in the morning on an empty stomach because you'll burn more calories, but not eating can cause your blood sugar to plummet during a workout, which can leave you lightheaded and dizzy or even make you faint. "This is based on the fact that the blood sugar remains at a low constant during sleep to maintain body function, but fueling needs to happen to impose greater demands on the body after waking up," says Cooper. "Still there are people who wake up and workout without eating anything and this diminishes the body's ability to rebuild and recover."

3"Just Walk It Off"

Injuries should not be taken lightly. "'Just walk it off' implies that by continuing exercise after sustaining an injury, the injured area will get better," says Cooper. "There are times when pain is the body's signal to stop exercise and pay attention to an issue than could be made worse if the exercise is continued."

4"Avoid Cardio If You're Trying To Build Muscle"

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You may have heard that if your goal is to build muscle, you should avoid doing cardio, as it will "eat" your muscle. Turns out, the opposite is true. "Performing cardiovascular exercise can lead to improving performance, body composition, and improving recovery time away from delayed onset muscle soreness," says certified trainer James Shapiro over email. "Performing excessive cardiovascular activities over a period of time can lead to lower lean body mass as a result of the oxidative energy system being the dominant system of energy exerted."

5"Do A Certain Number Of Reps To Achieve This..."

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There is a common myth that the number of reps performed in a set dictates what happens to the body. The bad advice goes something like this:

"This common advice has stuck with many for years in their workouts and entrapped exercisers into believing that certain rep ranges yield specific changes," says fitness expert and trainer Mike Clancy over email. "Science has shown this is not the case at all. What actually yields the specific adaptations are a combination of who you are (sex), age, food intake relative to activity, frequency of activity, intensity of sets of activity, number of sets of activity, and many other components."

6"Work Out Hard Every Single Day"

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Daily movement is great, but you shouldn't be doing high-intensity workouts seven days a week. "Our bodies will not make improvements if we work out hard every single day, because they will have no time to recover or repair," says trainer Ashley Pitt over email. "Our muscles build up after they've been broken down in a workout session, and if they don't have a window of at least a day two recover, it will results in less results. In addition, if you work out hard every single day, you will be constantly spiking your cortisol levels. This can lead to more stress and hormone struggles."

7"Do Static Stretches Before Every Workout"

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Most of us have been to told to stretch before a workout in order to avoid straining a muscle. "However, here is a strong body of scientific evidence showing that not only does static not prevent injuries, it can impair your performance," says sports and exercise scientist Eamonn Leaver over email. "You’ll be able to do less during your workout, especially strength-type exercises and you can actually increase the likelihood of injuring yourself." Instead of doing static stretches as a warm up, do dynamic stretching or a warm up of some light cardio.

8"Don't Do Squats Because They're Bad For Your Knees"

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"Another piece of horrible fitness advice that i hear is that squatting is bad for your knees," sats Shapiro. "Wrong again. Improper form can lead to having your knees, hips, or back hurt during a squatting. Most people have muscular imbalances and that also tends to lean people to perform the movement improperly. However, the squat is the most personalized movement out there because of the level of mobility the ankle and hip have,the length of your femur, and the strength of your core and back." If you're worried about hurting yourself when squatting, Shapiro recommends talking to a professional about what kind of squat pattern is best for your body and movement pattern.

9"Avoid Weight Lifting If You Don't Want To Bulk Up"

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If you're avoiding weight lifting for fear of looking like the hulk, think again. "Strength training is super important for women, especially as they age," says Lindsay Stiegler, San Francisco Regional Head Coach for Orangetheory Fitness over email. "Women do not have the same amount of testosterone as men and therefore will never gain muscle mass the way men do. The benefits of strength training reach far beyond aesthetics."

10"Do Sit-Ups For A 6-Pack"

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Many people think sit-ups and crunches will give them a six-pack, but sadly, it's not that easy. "If there’s a layer of fat on top of the deeper rectus abdominis muscles, it’s not going to show through the adipose tissue that sits atop them," says Dan Gaz, wellness exercise specialist at The Mayo Clinic Healthy Living Program over email. "Overall body fat reduction comes from whole-body caloric expenditure (exercise), rather than doing focused exercises on one spot."