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Minor strains may only overstretch a muscle or tendon, while more-serious injuries may involve partial or complete tears in these tissues.

You may be at higher risk of a broken hand if you participate in contact sports, such as football or hockey, or if you have a condition in which bones become thinner and more fragile, called osteoporosis.

A misstep or twisting injury can cause bones to break. Treatment depends on where the injury is and how bad it is.

Learn about causes and treatments of this common pain that happens in part of an arm or leg that's left after the arm or leg is removed.

This type of radiotherapy uses highly targeted radiation beams to treat tumors in all parts of the body.