affect on me (nail paella syndrome)

I WAS BORN WIH HIS,I HAVE NEVER NOTICED TILL THE AGE OF 16 DISCCOVERED HATT SOMETHING WASN'T RIGH ,I HAD LIMMITED MOTIONS I ELBOW ONLY ,I COULDN' FULLY EXTEND TO 180 DEGREEES PROPERLY WHEN DOING PUSHUPS IT WAS ANNOYING TO FOOTBALL WAS OK NOT DIFFICULTIES. IMY DAD HAD THE SAME THING SO,IMADE A RESEARCH ABOUT IT ,AND DISCOVERED THA I HAD NAIL PATELLA SYNDROME MY DAD NEVER NOTICED IT THAT HE HAAD IT IHE PASSED IT ON TO ME MY BROTHERS AND SISTERS AREN'T AFFECTED