Explain two physical reasons why players should warm up before playing sport.
What have you learned about these reasons from your text?
We haven't.
http://www.google.com/#q=warm+up+before+playing+sport
Players should warm up before playing sports for two important physical reasons:
1. Increasing Blood Flow and Oxygen Delivery: During physical activity, the body requires a greater supply of oxygen and nutrients to support the working muscles. By engaging in a warm-up routine, players can gradually increase their heart rate, which in turn leads to increased blood flow and oxygen delivery throughout the body. This helps to ensure that the muscles receive an adequate supply of oxygen, enabling them to perform at their best. Increased blood flow also promotes the removal of waste products, such as lactic acid, which can accumulate in the muscles during intense exercise and cause fatigue or cramping. In essence, a proper warm-up prepares the body for increased physical demands by enhancing blood circulation and oxygen transport.
To warm up effectively, players can start with gentle aerobic exercises, such as light jogging or cycling, for 5-10 minutes. This will gradually raise the heart rate and warm up the muscles, increasing blood flow and oxygen supply.
2. Improving Joint Mobility and Flexibility: Engaging in a warm-up routine helps to improve joint mobility and enhance flexibility. During physical activity, the joints go through a wide range of motions, and tight or stiff joints can increase the risk of injuries, such as strains or sprains. Performing dynamic stretches and movement patterns as part of the warm-up helps to promote joint lubrication, which reduces friction between the joint surfaces and allows for smoother movement. Additionally, warm-up exercises targeting specific muscle groups can increase flexibility, making the muscles more pliable and less prone to injury.
To improve joint mobility and flexibility, players should incorporate dynamic stretches, such as leg swings, arm circles, or walking lunges, into their warm-up routine. These exercises involve controlled movements that gradually increase the range of motion in the joints and stretch the muscles, preparing them for the demands of the sport.
By understanding the physical reasons behind warming up, players can prioritize this crucial part of their pre-activity routine to optimize performance and reduce the risk of injuries.