Elastic resistance
Learning Center
Ureteral obstruction
Learn about what causes blockage of the tubes that carry urine from the kidneys to the bladder, tests you might need and how the condition can be treated.
Urinalysis
This common lab test checks urine for signs of disease and for clues about overall health.
Vaginal agenesis
In this rare condition that occurs before birth, the vagina doesn't develop and the uterus may only develop partially or not at all. Learn about treatment.
Vascular rings
Learn more about this condition in which malformations of the aortic arch encircle the windpipe and esophagus and can press against them.
Ventricular fibrillation
Without fast treatment, this heart rhythm problem can cause death within minutes. Learn the symptoms of VFib and what actions to take to save a life.
Video: An asthma attack
What happens to your airways during an asthma attack?
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: Hip abduction walk with resistance tubing
The hip abduction walk targets the hip muscles. See how it's done.
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