Rubuta ci gaba don wannan sakin layi - Schumann kuma ya lashe lambar zinare hudu a jere a FIL World Luge Championships (1973<unk>75, 1977). Ba za a daidaita yawan lambobin zakarun ta ba har sai Sylke Otto (wanda shi ma Bajamushe ne) ya lashe shi a shekara ta 2000, 2001
2003, da kuma 2005.