Some cool fitness images:
Trang
Image by NFGphoto
Plank Exercise Benefits for Core Strength
Image by urbanwired1
Core muscles are the main muscles of the abdomen and the sides which are responsible for supporting your back, shoulders and other muscles. A strong core means that you are strong enough to do heavy lifting, or fit enough to run for miles. See more at urbanwired.com
Sweat is fat crying
Image by oklanica