Vermeulen won two silver medals and three bronze medals in L6 classification
swimming events at the
1988 Summer Paralympics. She came second in the 100m
breaststroke L6, 100m
backstroke L6 and 400m
freestyle L6 events, and third in the 100m freestyle L6 and 200m
individual medley L6 races. She competed in the
dressage events at the
2000 Summer Paralympics. She came seventh and eighth in the individual events, and won a silver medal in the team event, At the
2004 Summer Paralympics, she came fifth and eighth in the individual dressage events, and won a bronze medal in the team dressage events, Vermuelen initially failed to qualify for the
2008 Summer Paralympics dressage events on her horse
Kenzo. After being recommended to change to the horse
Sultano, she qualified for the Games. In 2009, she competed in the Netherlands National Championships in
Breda. ==Post-career==