Cultural, Social, and Health Aspects
There are several variations of squash played across the world. In the U.S. hardball singles and doubles are played with a much harder ball and different size courts (as noted above). Hardball singles has lost much of its popularity in North America (in favour of the International version), but the hardball doubles game is still active. There is also a doubles version of squash played with the standard ball, sometimes on a wider court, and a more tennis-like variation known as squash tennis.
The relatively small court and low-bouncing ball makes scoring points easier than in its American cousin, racquetball, as the ball may be played to all four corners of the court. Since every ball must strike the front wall above the tin (unlike racquetball), the ball cannot be easily "killed".
Squash provides an excellent cardiovascular workout. In one hour of squash, a player may expend approximately 600 to 1000 calories (3,000 to 4,000 kJ). The sport also provides a good upper and lower body workout by utilising both the legs to run around the court and the arms and torso to swing the racquet. In 2003, Forbes rated squash as the number one healthiest sport to play. However, some studies have implicated squash as a cause of possible fatal cardiac arrhythmia and argued that squash is an inappropriate form of exercise for older men with heart disease.
Read more about this topic: Squash (sport)
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