Monday, July 2, 2007

वोट फॉर TAJMAHAL

The great man of China

Bao Xishun, (right), listed by the Guinness Book Of World Record as the tallest living man, walks with his bride in China. Xishun is 7 feet, 9 inches tall.

Age and Energy Requirements

Older individuals tend to use more energy (require more oxygen) when walking than younger people. In older people, walking at speeds between 1 and 4 km/hr uses a similar amount of एनेर्ग्य।

As we get older, the structural changes in our muscles and tendons mean that walking, rising from a chair or climbing stairs becomes more of an effort. Older people use more energy to move around.
We measure the amount of energy required for walking by recording the amount of oxygen used as we breathe. Surprisingly, walking slowly can use more energy than walking briskly.
We can study stability and strength by recording muscle activity when a person descends stairs।

Joints have less support from the muscles and tendons in older people. This can result in these individuals being less stable on their feet and more prone to falling.
One third of people over 65 have a fall at least once a year. In general, the injuries sustained in a fall are the main reason people over 65 are admitted to hospital.


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