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kidshealth library

health & safety topics

Your child's health and safety is our top priority. Please search our resource library for information on health, nutrition, fitness, injury prevention and other important topics.

Bones & Muscles

Knee Injuries

Knee injuries are common among young athletes. Learn about causes, treatments, and prevention.

Kniest Dysplasia

Kniest dysplasia is a type of skeletal dysplasia, causing short stature (dwarfism) and other bone problems, along with vision and hearing problems.

Knock Knees (Genu Valgum)

Kids often have knock knees (when knees touch but the ankles are apart). They usually go away without on their own by the time a child is 7 or 8 years old.

Kyphosis

Everyone's spine is slightly rounded forward at a gentle angle. If this angle is too pronounced, more than 50 degrees or so, it's called kyphosis, also known as roundback or hunchback.

Leg Length Discrepancy

Leg length discrepancy is when someone’s legs are different lengths. For a big difference or one that's likely to get worse, treatment is recommended.

Legg-Calvé-Perthes Disease

Legg-Calvé-Perthes disease changes the hip joint and can cause a stiff joint, pain, and a limp.

Limb Differences

Kids with limb deformities have differences in the way their arms or legs are shaped. Some don't need treatment, For those that do, doctors have different options.

Limb Lengthening Surgery: External Fixator

Limb lengthening surgery is done when someone has a leg length discrepancy (one leg is shorter than the other). Sometimes this is treated with an external fixator.

Limb Lengthening Surgery: Internal Lengthening Device

Limb lengthening surgery is done when someone has a leg length discrepancy (one leg is shorter than the other). Sometimes this is treated with an internal lengthening device (a rod with a magnet).

Little League Elbow

Little League elbow is an overuse injury to the elbow caused by repetitive throwing. Most cases happen in pitchers, but any young athlete who throws a lot can get the condition.