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Will Lifting Weights Harm My Bones?

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I know lifting weights boosts metabolism, but since my body is still developing, will it prevent my bones from fully growing?
- Inessa*

Many misconceptions surround strength training. Done properly, strength training is an important component of any exercise program at any age, along with cardio and flexibility exercises. Before beginning a formal strength-training regimen, consult your doctor to get the go-ahead.

Kids and teens who are still growing should avoid heavy weights and power-lifting, and should be supervised, especially when starting out. In a supervised program, the trainer will teach proper technique and safety, and will know when you're ready to progress to a heavier weight.

But you don't have to pump weights at the gym to benefit from strength training. You can use light hand weights, exercise bands, or even your own body weight to strengthen and tone muscles. Also, warm up before and cool down after every workout to avoid injury.

For more information, check out these articles:
Strength Training
Why Exercise Is Wise
Bones, Muscles, and Joints
Sports and Exercise Safety

Reviewed by: Mary L. Gavin, MD
Date reviewed: July 2007

Have a question? Email us .

Although we can't reply personally, you may see your question posted to this page in the future. If you're looking for medical advice, a diagnosis, or treatment, consult your doctor or other qualified medical professional. If this is an emergency, contact emergency services in your area.

*Names have been changed to protect user privacy.

Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.

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