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.
Nonagon. The nonagon, also known as an enneagon, is a 9-sided polygon. Although the term enneagon is perhaps preferable (since it uses the Greek prefix and suffix instead of the mixed Roman/Greek nonagon), the term nonagon, which is simpler to spell and pronounce, is used in this work.