abs
physical fitness
tang ina mo
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.
to enhance body posture
it gives u strength
tang ina mo
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.
Winglets, (the "up curl at the end of the wing"), reduce the aircraft's drag by partial recovery of the tip vortex energy. The reason airlines go to the added expense of fitting them is that they can reduce fuel burn quite considerably thus saving money in the long-run.
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.