Thursday, March 22, 2007

5 common exercises you should never do

5 common exercises you should never do
The test of time usually works. Futile fads like sweatboxes, vibrating belts, and most tips from the odd, ponytailed Tony Little have died out quickly enough. But a few bad exercises have persisted, and exercise physiologists don't see how these ineffective and sometimes dangerous maneuvers have survived. Take the sit-up, which can be quite damaging if done improperly. "Locking your hands behind your head can torque your cervical vertebrae, " says David Pearson, Ph.D., director of the Strength Research Laboratory at Ball State University. The result: neck pain. In fact, sit-ups are the kind of "unsafe behavior" scientists at Arkansas State University say account for 63 percent of all weight—lifting–related E.R. visits, so purge them and the rest of these body breakers from your routine.
 
Cereal_Killer3



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