BOSU ball basics: 7 things to know about this ‘two-faced’ exercise equipment
If you work out regularly at a health club or fitness center, you might’ve noticed an odd-looking piece of equipment tucked in among the free weights, yoga mats and kettlebells.
Called a “BOSU” ball or a “BOSU balance trainer,” this device has a soft, inflatable dome on one side and a hard, flat platform on the other.
But what are you supposed to do with a BOSU ball? Can it really make exercise more challenging? Should...