sports, to educate parents, athletes and coaches on how to prevent injuries. in the winning ways, cynthia gould, why an athlete should never play through the pain >> we can put it here. knew his season was over >> it was one of the worst experiences of my life. when i was walk being off the field, felt like someone was stabbing me in my back. >> it's a repetitive extension, lumbar extension injuries. >> caused by repetitive blocking motion. >> i wanted to keep flying. the doctors, should >> we want to stretch it as much as possible. >> after plenty of rest and rehab, cameron is on the mend. >> young athletes is in the stages of evaporation. and they are far more vulnerable, far more susceptible than having overload and overuse injuries. >> doctor larry has spent his career treating athletes. he said pushing through the >> do not play through pain. you see in some of the gyms, strong guys look around. they have signs. no pain, no gain. that's incorrect. you do not play through pain. >> and dr. lee mack, although girls are more susceptible, there's a risk of every sport. pitcher overthrowing. gym