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I would swear that Lou had written or posted this somewhere, but I may be wrong. One of the experts will weigh in soon, I'm sure.
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Actually, I have gotten them before from doing squats. That, and I've heard that sitting on the pot too long reading the paper (the straining in a deep squat position) seems to exacerbate it, but I guess I don't really know about the actual cause.
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Lou and JP: fitness trainers, political commentators, hemorrhoid sufferers [img]tongue.gif[/img]
K and JP are probably correct re: squatting and hemorrhoids. I would suspect that almost any exercise which forces you to strain, a.k.a. Valsalva manouver, could eventually predispose to hemorrhoids.
For your reading enjoyment, from
www.emedicine.com:
Pathophysiology: The term hemorrhoid usually relates to symptoms caused by hemorrhoids. Hemorrhoids are present in healthy individuals. When these vascular cushions produce symptoms, most laypersons and physicians refer to them as hemorrhoids. Hemorrhoids generally cause symptoms when enlarged, inflamed, thrombosed, or prolapsed.
Most studies agree that low-fiber diets cause smaller caliber stools, which result in straining with defecation. This increased pressure causes engorgement of the hemorrhoids, possibly by interfering with venous return. Pregnancy and abnormally high tension of the internal sphincter can also cause hemorrhoidal problems. Decreased venous return is thought of as the mechanism of action. Prolonged sitting on a toilet (eg, while reading) is believed to cause a relative venous return problem in the perianal area (a tourniquet effect), resulting in enlarged hemorrhoids. Aging causes weakening of the support structures, which facilitates prolapse. Weakening of support structures can occur as early as the third decade of life.
Straining and constipation have long been thought of as culprits in the formation of hemorrhoids. This may or may not be true. A higher-than-normal anal canal resting tone has been found in patients who report hemorrhoids. Interestingly, the resting tone is lower after hemorrhoidectomy. This change in the resting tone is the mechanism of action of Lord dilatation.
Pregnancy clearly predisposes patients to symptoms from hemorrhoids, although the etiology is unknown. Notably, most patients revert to their previously asymptomatic state after delivery. The relationship between pregnancy and hemorrhoids lends credence to hormonal changes or direct pressure as the culprit.
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