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The heart makes sounds as the heart valves open and close to allow blood to flow through the heart. When blood does not flow smoothly through the heart or heart valves, it causes the noise. This is called turbulence. Heart murmurs can be harmless (innocent) or caused by a heart problem (pathologic).

Follow these step-by-step instructions.

This exercise helps build strength in your wrist.

This exercise builds strength in your wrist.

Follow this step-by-step strength exercise for your wrist.

Follow these step-by-step instructions for a quadriceps stretch.

Doing this exercise builds strength in your shoulders. Here are step-by-step instructions.

A shoulder separation is when part of the shoulder blade separates from the collarbone. It's most often caused by an injury that damages the ligaments around the shoulder joint.

Pneumatic retinopexy is a procedure to correct a detached retina. It helps to bring back vision. It uses a special tool to fix the retina and a small bubble of gas to hold the retina in place so it can heal.