When I started running 4 years ago I made one very crucial mistake. I just dove right into running and only ran. I didn’t do any form of strength training whatsoever. I just thought in order to get better at running I just needed to run more. So that’s what I did. I ran harder and faster and longer until…I hurt myself. During one of my runs my body just said “NOPE!” and my knees gave out and I crashed. I literally came crashing down with my knees to the pavement. After this experience I was terrified to run again.…