zNSFW
{f} The Achilles tendon can receive a load stress 3.9 times body weight during walking and 7.7 times body weight when running. [Xpost from TILgonewild)
http://i.imgur.com/Nb9Gc.jpg
User:
[deleted]
Categories:
gonewild
,
TILgonewild
report/abuse