Lower Belly Workout: Jack Knife (Exercise 5)
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no not me but i looks very painful watching her do it
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does't this hurst you neck and back anyone?
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This is actually kinda fun lmao o_o
3 months ago 2
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That looks sooo unnatural...
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i think i will feel awkward when i do this at my gym as a male...
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@vandijkimke apparently exercising before you sleep might make it harder for you to fall asleep.
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Hot eyes.....
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thats not jackknife
8 months ago 5
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At 0:35 I sprained my back by doing this. It still hurts even though I keep applyinc medication on it. This is a tricky exercise. It forces you to crunch you straight back. I don't get it how it's healthy for you.
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That looks crazy!
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she can jack my knife anytime!
CountRammerhymen 1 year ago 65
She makes this look tooooo easy !
HIMAY10NENCE 1 year ago 47