Ice hockey instance of team sport
Ice hockey (or simply hockey) is a team sport played on ice skates, usually on an ice skating rink with lines and markings specific to the sport. It belongs to a family of sports called hockey. In ice hockey, two opposing teams use ice hockey sticks to control, advance, and shoot a closed, vulcanized, rubber disc called a "puck" into the other team's goal. Each goal is worth one point. The team which scores the most goals is declared the winner. In a formal game, each team has six skaters on the ice at a time, barring any penalties, one of whom is the goaltender. Ice hockey is a full contact sport, and is considered to be one of the more physically demanding team sports.Ice hockey is one of the sports featured in the Winter Olympics while its premiere international competition, the IIHF World Championships, are governed by the International Ice Hockey Federation (IIHF) for both men's and women's competitions.
In North America and parts of Europe the sport is known simply as hockey. However, in other countries, "hockey" usually refers to field hockey. In 1994 hockey was officially recognized as Canada's national winter sport.The modern sport of ice hockey was developed in Canada, most notably in Montreal, where the first indoor game was played on March 3, 1875. Some characteristics of that game, such as the length of the ice rink and the use of a puck, have been retained to this day. Amateur ice hockey leagues began in the 1880s, and professional ice hockey originated around 1900. The Stanley Cup, emblematic of ice hockey club supremacy, was initially commissioned in 1892 as the "Dominion Hockey Challenge Cup" and was first awarded in 1893 to recognize the Canadian amateur champion and later became the championship trophy of the National Hockey League (NHL). In the early 1900s, the Canadian rules were adopted by the Ligue Internationale de Hockey Sur Glace, in Paris, France, the precursor of the IIHF. The sport was played for the first time at the Olympics during the 1920 Summer Olympics.Hockey is an off-side game, meaning that forward passes are allowed, unlike in rugby. Before the 1930s, hockey was an on-side game, meaning that only backward passes were allowed. Those rules emphasized individual stick-handling to drive the puck forward. With the arrival of offside rules, the forward pass transformed hockey into a true team sport, where individual performance diminished in importance relative to team play, which could now be coordinated over the entire surface of the ice as opposed to merely rearward players.The six players on each team are typically divided into three forwards, two defencemen, and one goaltender. The term skaters typically applies to all players except goaltenders. The forward positions consist of a centre and two wingers: a left wing and a right wing. Forwards often play together as units or lines, with the same three forwards always playing together. The defencemen usually stay together as a pair generally divided between left and right. Left and right side wingers or defencemen are generally positioned on the side on which they carry their stick. A substitution of an entire unit at once is called a line change. Teams typically employ alternate sets of forward lines and defensive pairings when short-handed or on a power play. The goaltender stands in a, usually blue, semi-circle called the crease in the defensive zone keeping pucks out of the goal. Substitutions are permitted at any time during the game, although during a stoppage of play the home team is permitted the final change. When players are substituted during play, it is called changing on the fly. An NHL rule added in the 2005–06 season prevents a team from changing their line after they ice the puck.
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