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Fitness Articles  ›  Pitfalls and Plateaus

5 Exercises You Should Never Do

Do You Avoid These Danger Zones?

-- By Dean Anderson, Fitness Expert
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Most people believe that all exercises are good, safe and effective. After all, it's all exercise, and that has to count for something, doesn't it?

The truth is that some of the machines in gyms aren't safe at all (especially for people who have common muscle, joint, and health problems). Certain exercises require a bit more know-how than the average person possesses. And other exercises are downright wastes of your time.

But before we examine some of the most controversial exercises, I want to make it clear that every exercise on this list isn't always unsafe or ineffective for everyone. What you should do—or avoid—depends on your goals, fitness level, health history, workout schedule, and other personal issues. An article like this can't replace your own efforts to identify your goals and needs. That requires you to do some research on your own, talk to your medical professional about any pain or physical limitations you have, and learn how to exercise with proper form and technique.

So what makes an exercise risky? Here are a few red flags to look out for:
  • Any unusual or “unnatural” movement pattern in the exercise
  • Any movement that causes pain or discomfort in any way
  • Any movement that enhances muscular imbalances that are already present
  • Any movement that requires joint flexibility that is above and beyond your range of motion
  • Any exercise with risks of injury that outweigh the potential benefit of the exercise itself
That said, the following exercises pose high risks and are generally considered contraindicated (if not controversial) by reputable fitness organizations and experts.

Think Twice Before Trying These 5 Moves

1. Behind-the-Head Lat Pulldowns
In the “old days,” people were actually taught to pull the bar behind their heads when doing a lat pulldown exercise—and many people still do that today. Bad idea. The problem? Only people with extremely flexible shoulder joints can do this behind-the-head movement safely, and even they have to be very careful about not hitting the back of their necks with the bar. In addition, almost anyone who spends their days deskbound is likely to have rounded shoulders or poor posture—a symptom of poor shoulder flexibility (among other things), making this exercise a no-no.

The Alternative: You can still work your lats without the risk of behind-the-head pulldowns by pulling the bar down in front of you. Sit with your spine straight, abs pulled in, and then lean your torso back slightly, keeping your spine straight. Pull the bar down towards your chest, but not below your collar bone.

2. Squats or Leg Presses with Deep Knee Bends
Whether you’re doing basic squats on your own or using a leg press machine, it can be very dangerous to bend your knees too deeply. The Problem? When your knees bend too deeply, your spine cannot maintain proper alignment. When that happens, the pelvis tilts and the lower back begins to take over, increasing the risk of strain to your lower back muscles or damage to spinal discs. In addition, bending your knees too deeply can injure or damage your knees, especially if you have knee problems.

The Alternatives: Squats and leg presses are generally safe and effective when done properly. But you should never bend your knees or hips more than 90 degrees during these exercises. Here's an example of proper form when doing a leg press machine, but this can apply to squats with a barbell, and the sled machine, too.

3. Seated Leg Extensions
This is a very popular exercise for targeting the muscles on the front of your thighs (quadriceps). The Problem? This exercise poses major risks to the knees. Lifting heavy weights in this position (with all the resistance focused at your ankles), is not what the knee was designed to do. If you have any kind of knee problem, or use a too much resistance during this exercise, you can easily run into big trouble.

The Alternatives: Simple squats and lunges, with or without added weight, will work your thigh muscles naturally, safely and effectively. If you want to expand on these exercises (to develop explosive force for sports like soccer, basketball, or volleyball, for example), try sport-specific plyometrics. If you can’t do lunges and squats because you lack the leg strength, start with simple ball squats or modified "mini" lunges, and only lower yourself part way, gradually increasing your range of motion as you get stronger.

4. Inner and Outer Thigh Machine Exercises
These machines are pretty popular in most gyms. Both involve sitting with your knees bent in front of you. The adduction machine is designed to target the muscles of the inner thighs, and the abduction machine helps target the outer thigh muscles. The Problem? Using your inner and outer thighs to lift weight while in a seated position puts you at risk of straining these relatively small muscles and aggravating lower back and hip problems. In addition, your inner and outer thigh muscles are designed to support movement, not to be prime movers like they are in these types of exercises.

The Alternatives: The best way to target these muscles safely is with body weight exercises, such as standing adduction, standing abduction, lying adduction and abduction exercises, Pilates exercises, or similar movements that use resistance bands or the cable cross machines. Always start with a weight you know you can handle, and add resistance gradually.

5. Upright Rows
In this exercise, you stand holding a barbell or weight in the center, with hands close together, and bring your hands up under your chin. The Problem? Upright rows are controversial because the movement can compress the nerves in the shoulder area, impinging the shoulder.

The Alternatives: Instead of standing to perform an upright row, try bent-over rows, bending forward 90 degrees at the hip, holding weight down beneath your shoulders with hands slightly more than shoulder width apart, then lift weight straight up towards your chest until elbows and shoulders form a straight line. You can also try front or lateral shoulder raises, using a modest weight, so that you don’t need to lean back or use momentum for assistance.
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About The Author

Dean Anderson Dean Anderson
Dean Anderson has master's degrees in human services (behavioral psychology/stress management) and liberal studies. His interest in healthy living began at the age of 50 when he confronted his own morbid obesity and health issues. He joined SparkPeople and lost 150 pounds and regained his health. Dean has earned a personal training certification from ACE and received training as a lifestyle and weight management consultant. See all of Dean's articles.

Member Comments

  • Great information followed up by alternative solutions. Thanks for posting this. As a gym owner, I try to stay abreast of not only the ever changing gym software and technology that I use at the gym, but also the new scientific discoveries for the health of my members. - 2/26/2013 4:43:13 PM
  • BITTERCAT, I agree, and add that proper form is key as well. Like SALONKITTY, I perform deep squats and have found them strongly beneficial. I imagine that would not be the case if I were sloppy or uneducated in form or used excessive weight. - 12/4/2012 5:55:18 PM
  • Personally, I think a lot of injuries with machines probably come down to two things: Improperly calculating the weight for each rep and doing too many reps in one set/sitting. If properly calculated and if people stretch before and after, I think you'll find injuries are less common.

    The other issue is people need to know the limits of their own bodies. I used to love using nautilus equipment, and I had good results! (It's been a long time, though, and I would have to ease back into it.) - 11/27/2012 1:33:50 PM
  • Wow! I always used to to lat pulldowns behind the head, and they felt GREAT! Times have really changed, I guess! - 11/27/2012 1:31:41 PM
  • SAM-CFS
    FROM squats do not cause inury! Squats done with poor form do. The author made an excellent point about lack of flexibility and stress to the low back. However, all of my clients squat. It should be trained and practiced as it is vital to human function. ex: get out of a chair or off the toilet without doing it or Pick yourself up off the floor without doing a full depth squat. People injure themselves squatting when they use improper form. Find a good trainer and practice. Do not villify one of the best exercises for obtaining functional fitness - 11/27/2012 9:49:14 AM
  • I hate using the machines, I have gotten pain in my knees and back from the machines defeintly pefer free weights since I personal trainer got me into them. - 10/14/2012 10:47:45 PM
  • Deep knee-bend squats are the proper way to perform the squat exercise. They are not harmful, and in fact are most beneficial! I know I'll continue to do them... - 10/14/2012 7:36:31 AM
  • I injured my knee and had physical therapy. The seated leg extension pushed my knee over the deep end. - 10/11/2012 1:14:03 AM
  • HARVCOWAN
    RE: Bent over rowing caution-----the head must be supported on a bench to avoid unhealthy pressure on the lower back - 10/3/2012 8:36:23 AM
  • ULUHALA
    Good advise especially regarding the squats. In 2005 i was doing my 3rd set of 485lbs, 110lbs less than my max, and i blew out two discs and broke my L5 vertebrae due to bad form. my doctor told me to only do leg presses in the future but i've never healed up and had to give up weightlifting, racquetball, kickboxing, and scuba diving. thats part of what led to my 155lb weight gain. I also havent been able to work since the accident but have lost 60lbs of the weight i gained. 95 lbs to go. I wish i had been warned of this 7 years ago but i hope this Spark article and sharing my experience can help others avoid serious injury. - 10/2/2012 2:09:51 PM
  • Thanks for the info. It was an interesting article! - 10/1/2012 7:12:05 PM
  • I agree with many of the comments already posted that any exercise can injure you if not done correctly and that everyBODY is different, so the important thing is to know what you personally can and can't do. I teach knee squats against a wall which helps to stabilize the back, and I have clients squeeze a small ball or pillow between their knees. This exercise helps to strengthen all of the muscles surrounding the knees to stabilize the knee and prevent injury. I also recommend squatting only as far as you can comfortably go. Most people cannot go down to the 90 degrees comfortably, however, since I've been doing them for years, I can. Again always listen to your body! - 10/1/2012 2:31:03 PM
  • I am REALLY glad the author precessed this by saying that not all of these exercises are damaging for everyone. These are probably the 5 exercises most likely to hurt you if you already have an injury in the knees or shoulders, though.

    Just a tip: If you have a reason you like doing behind-the-neck pull-downs, turn around backwards on the pull-down seat, so that you are facing away from the weight stack. This doesn't force your back forward and helps reduce the risk of injury. - 10/1/2012 1:20:24 PM
  • I recently herniated L4/5 disc and was told to lay off the squats and running. I was also told if I do any lat workouts that behind the head lat pull downs were not good in general. I've never heard of the upright rows however I can see them being done not using proper form could cause an issue. In fact, I agree with IrishLassie78 that any of these exercises outside of the "behind the head lat pull downs" are done correctly and carefully, they can be done effectively and without injury. - 10/1/2012 10:47:18 AM
  • 406GMAN
    Wow! Lots of differing opinion and experience and from that comes confusion. I have been an orthopedic physical therapist for almost 20 years and these arguments have been around at least as long as I have. The point is EVERYONE is correct that some exercises are OK for some people and not OK for others. Someone could break their ankle stepping off a curb. Should the curb be blamed? I agree with many points about the article and many of the points that readers bring up. My advice or caution is to remember three components of any exercise are RANGE of motion, WEIGHT used and SPEED of movement. When these three are incorporated into FUNCTION they are usually beneficial. Start light being mindful of full range of motion (different for all individuals) and move at a functional speed. Machines in general are easy to use and instruct because you don't have to think much about what you are doing. Paying for professional instruction, be it a physical therapist or personal trainer, is almost always a good investment. Final thought, "If you stop doing something because of fear of an outcome then soon you will be forced into doing nothing at all! - 10/1/2012 10:35:57 AM
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