Updated February 02, 2016. Older athletes have special exercise considerations due to the effects of aging on muscle and joint tissue, cardiovascular fitness, and other physical parameters. Use these training tactics to build and maintain your fitness as well as your ability to compete as you desire.
The English prefix non- , which means ânot,â appears in hundreds of English vocabulary words, such as non sense, non fat, and non returnable. You can remember that the prefix non-means ânotâ via the word non poisonous, for a substance that is non poisonous is ânotâ poisonous.
1 As non-is a living prefix, the list of words having the prefix non-is practically unlimited. 2  It is particularly common in the sciences. 3  Non-may be attached to nouns, verbs, adjectives or adverbs to negate their meaning.