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Lead Stories: Sunday, November 23, 2008

Q&A: Are hot tubs and saunas helpful or harmful?

Posted November 1st, 2007 at 8:15 PM by Hariz Siddiqui

Section: Health & Fitness, Injury & Rehab, Exercise

sports whirlpoolFor many years I have believed that heating muscles in a whirlpool or sauna after exercise interferes with muscle contractions and hampers muscular endurance.

However, a study from the University of Otago in New Zealand shows that taking a sauna after workouts for three weeks helped athletes to exercise longer to exhaustion (Journal of Science and Medicine in Sport, Sports Medicine Australia, August 2007).

Trained runners sat in a humid sauna for 30 minutes at 89.9 degrees centigrade immediately after exercising, 12 times in three weeks. They then ran as hard as they could on a treadmill for about 15 minutes, to exhaustion.
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