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Warm up Intense exercise done without a dynamic warm-up has the potential for injury. A proper warm-up prepares the muscles that will be used and prepares the joints for movement and stability throughout a full range of motion. A warm up should start slow and then gradually the intensity and complexity should be increased. If the warm up is done correctly, and joints, prime movers and stabilizers are warmed up and relaxed properly, then it will lead to more efficient movement and a better performance. On colder or windy days it is important that more time is taken to perform a good warm-up because a warm muscle is not only stronger but the elastic properties of it are increased allowing for better shock absorption, and will therefore prevent muscle strains. Warm-up effects on the vascular system. The warm-up gradually increases the blood flow due to the vascular shunt mechanism via vasoconstriction of arterioles/precapillary sphincters increasing blood flow...

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