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Tennis requires cat-like reflexes with short bursts of strength. These short movements do not allow the muscles to extend their full length. When muscles are strenuously worked they become tight and can lose their elasticity unless properly stretched. Yoga exercises can increase the body's range of motion. The lack of movement because of inflexibility binds the joints. Without the elasticity of the muscles, I think an athlete can be a prisoner within his own body.

This site is dedicated to teaching ICT at all levels. Students will find revision notes to learn your ICT subject along with plenty of quizzes, competitions, polls to keep things interesting. Teachers will find starters and plenaries along with Schemes of Work ( SoW) , lesson ideas and tons of free material. Revision resources for every level are available

Fun, interactive, research-based simulations of physical phenomena from the PhET project at the University of Colorado.