Elastic resistance
Learning Center
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Video: Hip abduction walk with resistance tubing
The hip abduction walk targets the hip muscles. See how it's done.
Video: Heart and circulatory system
Watch this video to see how a healthy heart works.
Video: Hamstring curl with resistance tubing
The hamstring curl targets the back of the thigh. 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: Bent-over row with resistance tubing
The bent-over row targets the back of the shoulder. See how it's done.
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.
Vertebral tumor
Vertebral tumors grow in the bones of the spine, causing pain and weakening the spinal column. Read more about how they’re managed, and what to expect.
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Vasectomy reversal
Learn about this microsurgery procedure that can restore your fertility after a vasectomy.
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