Squash is an indoor sport played by two or four people (optionally) using rackets and a ball. During the game, the ball is hit against the walls of the playing area to keep it from hitting the floor more than once. Squash is an intense activity game that requires the entire body to work quickly and allows you to burn approximately 800 Kcal per hour, according to Forbes research. History Squash is thought to have originated in British prisons in the early 1800s and was first played in the early 19th century. After a few decades, the game became popular in...