Do this static stretching routine at the end of your core workout. Ab, oblique and lower back stretches to increase your flexibility and release all tension. http://www.spotebi.com/workout-routines/core-static-stretching-exercises/
9 Natural Testosterone Boosters for Energy, Sleep & More
7 Steps to Increase Testosterone Naturally Like men, women with low testosterone levels often experience chronic fatigue, a stunt in their libido and a decreased sense of well being. So, this is a hormone that everyone should keep tabs on!