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Strength Training for Teens

By Lila Havens, Staff Writer

Boys are bombarded by images of male models and movie stars that equate beefed-up, muscular bodies with male sex appeal. This puts them under the same intense pressure as girls to get the "look" if they want to be considered attractive.

Many teenage boys respond by taking up weightlifting and bodybuilding with a vengeance. Getting strong and fit are worthy goals. Parents are left wondering, is pumping iron safe for teens?

Strength training, not weightlifting
Properly supervised strength training using light weights in a controlled way doesn't usually pose a danger. In fact, it can benefit most teens. But kids should avoid weightlifting or power lifting. Lifting weights that are too heavy in a jerky motion can put teens at significant risk of injury, especially back injuries.

Injury isn't the only risk a child faces in bodybuilding. Weightlifting puts pressure on bones. In adults this helps build bone density, but in a maturing child it can inhibit bone growth.

Plus, the emphasis that weightlifting and bodybuilding place on bulky muscles can lead kids to experiment with performance-enhancing drugs or supplements such as creatine. The long-term risks of creatine are not known. Anabolic steroids have many well-known serious risks, including impotence and liver cancer.

Tips for strength training
Experts agree that a program of strength training can help a teen be stronger, more fit and less prone to injury. It may also increase a teen's self-esteem and help establish a lifetime of good fitness habits. With supervision and training, children as young as 8 years old can start strength training.

If your child is interested in strength training:

  • Take your child for a medical check-up first. Ask the doctor what level of activity is right for your child.
  • Find a qualified instructor who works with kids and can teach proper technique.

Teens who want to build strength should follow these general guidelines:

  • Always start with a 10- to 15-minute warm-up.
  • Work out for 20 to 30 minutes, followed by a 10- to 15-minute cool-down.
  • Focus first on form rather than weight. When proper form is learned, weight can be added.
  • Do eight to 15 repetitions of each exercise. When it's easy to do this many, add a little more weight.
  • Exercise all the muscle groups, and take each joint through its full range of motion.
  • Take a day off between strength training. Two or three times a week is enough.
  • Drink plenty of fluids and eat a healthy, balanced diet.

Teens should not try lifting the greatest possible amount of weight until their bodies are fully mature.

Related Articles

Creatine Use in Teens: Magic Muscles or Risky Business?

Getting Strong Through Resistance Training

Why Does My Child Need a Sports Physical?

The Dangers of Steroid Use in Teens

Tips for Safe Strength Training

External Sources

Gyr B. Strength training in children and adolescents. In: DeLee JC, Drez Jr D, Miller MD. DeLee & Drez's Orthopaedic Sports Medicine. 2nd ed. Philadelphia, PA: Saunders; 2003. . Accessed May 23, 2008

American Academy of Pediatrics Council on Sports Medicine and Fitness. Policy statement: strength training by children and adolescents. Pediatrics. 2008;121(4):835-840. . Accessed May 22, 2008

American Academy of Pediatrics Committee on Sports Medicine and Fitness. Use of performance-enhancing substances. Pediatrics. 2005;115(4):1103-1106. . Accessed May 22, 2008

This article was reviewed and updated 08-01-2009.

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