Activity is beneficial for people of all ages. People who are fit will, in general live longer and maintain a more active and fulfilling lifestyle. However there are some downsides to physical activity, in particular at high level. A large majority of ageing athletes suffer from long term injuries such as the poor state of someone’s knee.
It is generally regarded that contact sports are beneficial to children. This is due to the fact that the majority of bone density material is developed when the person is young. This is beneficial to people because many bone diseases such as osteoporosis are connected to low bone density and inactivity as a young adult. On the flip-side when competing in high impact sport there is a very high chance of some sort of injury occurring along the way. For example if someone dislocates their shoulder playing rugby, it is more than likely that this will trouble them in the future. In addition to this when playing contact sports, the joints that are covered in articular cartilage can be worn away at a more rapid rate. Indeed, some injuries even lead to the cartilage being taken out altogether. This is a negative effect of contact sports on the skeletal system of young people as they may well end up suffering from osteoarthritis later in life. Osteoarthritis is thought to be related to cartilage being worn down to the point that the bone is no longer protected.
High impact sport is generally considered to be a beneficial activity to people of all ages. Similar to contact sport, when competing in high impact sport the bone mass is built up. This is due to the fact that when someone runs solidly for half an hour, bones such as the tibia will suffer from tiny fragments breaking of the main bone. When this subsequently re-heals it will be stronger than it was before and allow for more exercise to be done on it. However, a high impact sport such as hockey, basketball or netball can be quite dangerous as it is thought that anterior...
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