 Musa Amer akapedza ari pachinhanho chechina mumakwikwi emamita zviuru zvitatu mumakwikwi eOlympic muna 2004 aine nguva yake yakanakisa yemaminitsi masere nemasere negumi nemasere, mushure mekukunda menduru yesirivheri kuWorld Junior Championshipsmwedzi wapfuura. Muna 2005 akapedza ari wechipfumbamwe paWorld Championships uye wechinomwe paWorld Athletics Final. 