Stadion's Sports and Martial Arts Training Discussion

well, i have several problems: 1.- the left side of my left knee hurts me a little but during all day, i feel better when i sit with my legs crossed in front of me like yoga positions, but when i stand it hurts me again, thats all day. 2.- the hip flexor of my right leg its always tired so when i do...

i met somebody and told me that he`s runing 25 km every day, i think that he does it from monday to friday, he`s a football soccer player in a 2nd. division team, i told him that he`s runing too much, i don`t know a lot about training to professional athletes, but i think its too much.. am i right? ...