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Never. Sit ups are dangerous. Instead, substitute other exercise (such as crunches or knee-ups) to work your abs. Working your midsection or core muscle groups should not normally be done more than twice weekly.
Answer
Doing a number of pushups correctly will also improve your abs as a nice side effect!
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoEvery day
From my experience spot reduction doesn't work. During sit-ups won't eliminate fat.
But first i need to know why are doing sit ups, what is your desire result, what is your weight loss goals.
sit-ups will help tone but that's all. And you should never work the same muscles everyday.
Wiki User
∙ 14y ago3 minutes a day is enough.
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Should you do sit ups and push ups before or after dinner?
after dinner
What is the average amount of sit ups a 11 year old boy should be able to do do?
I'd say about 40 to 50 sit ups.
How many sit ups should a fifteen year old be able to do in two minutes?
a fifteen year old should be able to do atleast 110 sit ups in two minutes.
How minutes do you should leave after eating and then sit ups?
60 minutes.
How many sit ups should girls do to get a six pack?
1
Why is your stomach getting bigger with sit ups?
Sit ups do not burn stomach fat. Sit ups build and tone stomach muscles.
How many sit ups do you do on ab rocket?
On the ab rocket you should do the amount of sit ups you need to until you reach you reach your limit ( your stomach starts cramping/ hurting)
How many sit ups should a 7 year old be able to do?
5
How do you do harder sit ups?
Twice a day, do sit-ups for three minutes. Overtime, you'll get better. I can do about 65 sit-ups per minute.
Which work out out of push ups sit ups and pull ups will affect the heart rate?
sit-ups raise your heart beat more
What does sit ups measure?
sit ups measure your stomach strength.
How sit ups can john cena do?
at the last smackdown vs raw sit up/ push up contest john cena, (raw) did 112 push ups and 116 sit ups. he came second to batista (smackdown) who did 117 push ups and 119 sit ups
