Astatic stretch

a. safe, because it requires a partner or machine for assistance
b. safe, because it stretches the muscle and joint without causing pain
c. unsafe, because it involves holding a position for 15-30 seconds
d. unsafe, because it uses the body's momentum to stretch the muscle

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).

Which action is the cerebrum responsible for? a. breathing b. coordination c. problem solving d. balance and one more question which characteristic true of both boys and girls during puberty? a. a curvier shape b. a deeper voice c. weight loss d. body hair