Aute Responses to Exercise
Body’s Response to Acute Exercise
Musculoskeletal response:
There is an increase in blood supply as your body is working "overtime”. The blood supply has to increase because it has to go to the parts in your body which you are exercising the most e.g. If you are taking a run, the blood supply will increase because your legs will need more energy, therefore there will be more blood circulating your legs than normal because you are overworking them. Your muscles and all your body organs need more energy and oxygen; this is because your body is working more than usual. Your body needs to do many things such as sweat, which helps you cool down, and to get energy to all of your cells in your body to help you carry on exercising, if your body didn't do this, and then you wouldn't be able to carry on exercising. During acute exercise your muscle pliability increases which allows a greater range of movement which helps reduce injury. Acute Exercise will cause muscle fibre tears. This is generally known as micro- trauma. The myosin heads and the actin filaments will be pulled from the myofibrils. This damage will cause a release of chemicals that cause the soreness after your period of exercise. The chemicals released also stimulate repair and growth in the area to rebuild the tears in the muscle.
Energy Systems:
ATP is a molecule in the body that is used to break down energy. There are two main energy systems Aerobic and anaerobic. When energy is needed, ATP is broken down into ADP (Adenosine Diphosphate). This process breaks the high energy Phosphate and so releases energy for use in the body. The body must be able to adopt to the change in physical activity. The first system that we use is the ATP-PC system. This produces Phosphocreatine which is only used for short durations of up to 10 seconds. The system neither uses oxygen nor produces lactic acid and is thus said to be alactic anaerobic. This system is used for very short, powerful movements like a
Musculoskeletal response:
There is an increase in blood supply as your body is working "overtime”. The blood supply has to increase because it has to go to the parts in your body which you are exercising the most e.g. If you are taking a run, the blood supply will increase because your legs will need more energy, therefore there will be more blood circulating your legs than normal because you are overworking them. Your muscles and all your body organs need more energy and oxygen; this is because your body is working more than usual. Your body needs to do many things such as sweat, which helps you cool down, and to get energy to all of your cells in your body to help you carry on exercising, if your body didn't do this, and then you wouldn't be able to carry on exercising. During acute exercise your muscle pliability increases which allows a greater range of movement which helps reduce injury. Acute Exercise will cause muscle fibre tears. This is generally known as micro- trauma. The myosin heads and the actin filaments will be pulled from the myofibrils. This damage will cause a release of chemicals that cause the soreness after your period of exercise. The chemicals released also stimulate repair and growth in the area to rebuild the tears in the muscle.
Energy Systems:
ATP is a molecule in the body that is used to break down energy. There are two main energy systems Aerobic and anaerobic. When energy is needed, ATP is broken down into ADP (Adenosine Diphosphate). This process breaks the high energy Phosphate and so releases energy for use in the body. The body must be able to adopt to the change in physical activity. The first system that we use is the ATP-PC system. This produces Phosphocreatine which is only used for short durations of up to 10 seconds. The system neither uses oxygen nor produces lactic acid and is thus said to be alactic anaerobic. This system is used for very short, powerful movements like a