A sit up or curl up test measures the muscular strength and endurance of the abdominals and hip-flexors. Do as many sit ups in one minute.
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Curl-up was created in 1951.
Koalas do smetimes curl up tightly when they sleep. They curl up in winter to keep warm.
a curl up is when you do an exersize to sit up and then back down up.... and down.
a curl up is when you do an exersize to sit up and then back down up.... and down.
A curl up is an exercise where you are when you are pulling your self up, but in a curl motion which help the biceps or your arms and also your abs.
A curl up is an exercise where you are when you are pulling your self up, but in a curl motion which help the biceps or your arms and also your abs.
You can tell that a test is reliable when many can take it and it holds up. A reliable test can't be biased, and it must measure what it says it's going to measure. A reliable test stands up when compared to other tests.
I had never seen centipede curl up if disturbed. Milipedes do curl.
They curl themselves up in order to stay warm.
first of all you curl the paper then curl it on your hair then you get the straightener and just heat it up.