Elastic resistance
Learning Center
Vasectomy reversal
Learn about this microsurgery procedure that can restore your fertility after a vasectomy.
Vertebral tumor
Learn about these tumors that grow in the bones of the spine, causing pain and weakening the spinal column. Find out about diagnosis and treatment.
Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
Video: Bent-over row with resistance tubing
The bent-over row targets the back of the shoulder. See how it's done.
Video: Biceps curl with resistance tubing
The biceps curl builds strength in the upper arm. See how it's done.
Video: Hamstring curl with resistance tubing
The hamstring curl targets the back of the thigh. See how it's done.
Video: Heart and circulatory system
Watch this video to see how a healthy heart works.
Video: Hip abduction walk with resistance tubing
The hip abduction walk targets the hip muscles. See how it's done.
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Video: How to choose resistance tubing
Resistance tubing is a lightweight, portable strength training tool. See how it's used.
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