Are some people more injury prone than others?

I have tendinitis in my feet . In may I tore my quadricep muscle . Now I have a strained calf! While I was in gymnastics , I strained my ankle basically once every two months !! Now even my mom is wondering why I keep hurting myself. Most of the time I am also minorly hurting myself . After hours of dancing and doing the same exact thing as my classmates , I have bruises ALL over my legs , and HUGE ones too. Is there something wrong? (this is a serious question no answers like : Well I think you only have a couple months left to live !. Thank you !