document: The 21st century in the face of an aging population trend, the health status of the elderly is a hot issue of social concern, therefore, to explore the health status of the Chinese population aging and the elderly, elderly fitness exercise Misunderstanding study and formulate measures and methods of fitness of the elderly, promoting elderly fitness training towards a healthy, scientific direction, to promote a nationwide fitness activities carried out in order to achieve the exercise of scientific fitness of older persons.
doc_bio_tags: O O O O O O O O B I I O O O O O O O O O O O O O O O B I I I O O O O O O O O O O O O O O B I I I I I O O O O B I I O O O O O O B I I I I O O O O O O O B I I I O O O
extractive_keyphrases: aging population trend elderly fitness training exercise of scientific fitness explore the health status formulate measures and methods of fitness promote a nationwide fitness activities