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With respect to the body systems describe a childs limitations to physical activity and explain how a coach would take these into consideration when planning or coaching.

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Introduction

Essay Question: With respect to the body systems describe a child's limitations to physical activity and explain how a coach would take these into consideration when planning or coaching. Contents Page Introduction 1 Cardio-respiratory system 1-2 Musculo-skeletal system 2-4 Energy Systems 4-5 Thermo- regulatory systems 5 Nervous Systems 6 Conclusion 7 Bibliography 8 Children's body systems are unlike adult's body systems and therefore have many limitations when it comes to physical activity. In order to explain what these limitations are and how they affect children during physical activity it is necessary to discuss certain body systems. These systems are the cardio-respiratory system, the musculo-system, the energy systems, the thermo-regulatory systems and the nervous systems. The cardio respiratory system is a muscular pumping device used to spread blood round the body to the muscles (BUPA website 2006). The cardiovascular system has many functions including pumping the blood to the tissues which releases the oxygen and nutrients into the cells and the waste product which comes from the cells including, carbon dioxide and water which is then absorbed back into the blood stream and this deoxygenated blood is then taken back to the heart to start the cycle again. Children will feel short term and long term effects to the cardio respiratory system during and after exercise. ...read more.

Middle

If a coach were to use static stretches it may put to much strain on the muscles. In terms of how a person should be coaching they need to make sure that any coaching session does not put too much strain on the muscles or bones of the children. If they do not do so then children may end up with injuries such as Osgood-schlatters disease. There are two energy systems that are important when discussing children and how they are limited in physical activity, they are the anaerobic and aerobic systems. According to the Teach PE website (2010), the anaerobic system is provides energy in the absence of oxygen. It is a system that is used in the first few minutes of exercise before the aerobic system kicks in and starts providing the body with energy. It is best used in fast explosive sports such as the 60 or 100 metres sprint. In comparison the aerobic system works with oxygen however it requires time for the oxygenated blood to pass through the body to limbs and muscles, which is why the anaerobic system starts working first before the aerobic system eventually takes over. However, when it comes to children, their aerobic systems are not really fully developed so they tend to rely more on their anaerobic systems. ...read more.

Conclusion

The best way is to break the practise down and get the children to do it bit by bit and then once they have got it make them do the whole practice together. In conclusion, children have many limitations when it comes to physical activity. These limitations include the fact that children's bodies need time to grow so cannot do things that adults can do. Their cardio respiratory systems is still growing as they grow and in turn means that their heart rate and stroke volume which means that the heart has to work harder to pump blood round the body so children cannot keep going as long as adults. So coaches need to be aware of this and make sure sessions are not too long. Also, because their bodies are still growing coaches need to be aware of working the muscles and bones too much in case they cause the child an injury such as Osgood Schaltters disease. Furthermore, because children's aerobic systems are not fully developed they can only work at a high intensity for a short while before they need to stop. They also warm up quicker and cool down quicker which means the coach needs to make sure they do not become to hot or too cold. Also, the coach needs to work the children at the right level keeping them challenged but not over challenged. ...read more.

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