Time in menstrual cycle you shouldn't work out?
 

http://img-s-msn-com.akamaized.net/t...=f&x=342&y=320Our bodies go through quite a few hormonal changes during our menstrual cycle. There are some days when you feel like a million bucks, but we all experience dips in energy at some point, particularly during the days right before your period.

أكثر...