hello i found i way to build some muscle sit ups there not the regular sit ups so you want to get in a regular sit up pose do it like you are doing a regular sit up but when you go down DO NOT LET YOUR BACK TOUCH THE GROUND!!! DO AS MANY AS YOU WANT THEN THE NEXT DAY DO THEM AGAIN WHEN YOUR SORE TRY DO DO MORE THE NEXT DAY YOU DO IT SORRY FOR ALL CAPS

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).