Pedzisa mutsara unotevera: Cousins akaitwa maoparesheni masere, kusanganisira kugadziriswa ibvi paakanga ava nemakore okuma50. Zvinetso zvake zvakatanga pa 1974 World Championships, apo akabva pamberi pokutanga kwechiitiko chacho ndokudzokera kuBristol kunovhiyiwa meniscus yake yokutanga yechipiri yakauya pakarepo pashure pokunge
1977 World Championships apo cartilage yegumbo rake roruboshwe yakabvaruka ndokusungwa munzvimbo. Pakazosvika 1980, akanga aitwa oparesheni huru pamabvi ake ose ari maviri kuruboshwe nokurudyi.