wade into (something)
to attack something, to join in something
The football player waded into the fight to help his teammates.
Rules to Play Down Hill Skiing
In June 2009, the International Ski Federation (FIS) released the quotas which determine the maximum number of Alpine skiers a nation may bring to the 2010 Olympics. The FIS quota is based on performance and depth of field during the 2008 09 season.Austria, Switzerland, France and Italy earned the most spots (22), followed by the United States with 20.Over 300 Alpine skiers are expected to compete in Vancouver.