<prompt> Qedela lo musho olandelayo:  <response>: Imidlalo Yomhlaba ka-2008 yaphikisa ngokusemthethweni umbono osunesikhathi eside ukhona wokuthi kwakudingeka i-quad ukuze umuntu anqobe iziqu ezinkulu. Ukunqoba kwakhe kucatshangwa ukuthi kwabangela impikiswano ephathelene ne-quad eyagqashuka eMidlalweni Yama-Olympic yaseVancouver. UBrian Joubert, umsubathi wokuqala waseYurophu owathola ama-quad amathathu ohlelweni, wazwakalisa ukudumala kwakhe okukhulu ngemiphumela futhi wathi ukubaluleka kokugxuma kufanele kukhuliswe ohlelweni lwamanje lokuthola amaphuzu. U-Evan Lysacek, njengoJoubert, waphawula ukuthi i-quad yayiyingxenye ebalulekile yokushushuluza kwabesilisa. Ngo-2009, uLysacek waba ngumdlali wesibili olandelanayo wokushushuluza ngomdwebo owawina umqhudelwano womhlaba ngaphandle kokugxuma okuphindwe kane. 