>> women don't have the testosterone. use a heavy enough weight to challenge more of the muscle and we don't have the hormones to bulk up and the women that look really huge, body builders. right. >> they're spending hours and hours lifting 50 and a hundred pound weights. >> we don't have to worry about that. thank you very much. really, appreciate it. good tips and if you want more information, find them on. >> msn.com on the health section. >> clayton and dave, back to you. >> good, no more ab crunches for me. >> i knew you'd come up with an excuse. thank you. >> his store was robbed twice i...