18 août 2012 - Physical Development Change in body composition. Around this time, my body starts to grow differently and as a result, my body responds differently as well. For most boys, the muscle to fat to ratio is approximately 3:1. For females, it is more closer to a 5:4 ratio.
Ajouté au bande de temps:
Date:
18 août 2012
Maintenaint
~ Il y a 13 ans