Fitness experts separate folklore from fact

NEW YORK (Reuters) – Can crunches create six-pack abdominal muscles? Do weight-lifting women risk bulging biceps? Is stretching always a good idea? Experts say disentangling folklore from fact is not easy in fitness, where misconceptions are as pervasive as push-ups and as stubborn as love handles. Jennifer Burke, a fitness manager at a Crunch gym in West Hollywood, California, said many women still worry that weight training will create big and bulky muscles. …