renaissanceamazon: This is just a short sample of a longer video of me stretching and Flexin. When you flex one muscle the opposing muscle relaxes. I was w #powerathlete for years and I still have that sprinters musculature which means my muscles are
renaissanceamazon: This is just a short sample of a longer video of me stretching and Flexin. When you flex one muscle the opposing muscle relaxes. I was w #powerathlete for years and I still have that sprinters musculature which means my muscles are
renaissanceamazon: This is just a short sample of a longer video of me stretching and Flexin. When you flex one muscle the opposing muscle relaxes. I was w #powerathlete for years and I still have that sprinters musculature which means my muscles are
