The difference between a bent arm and one that straightens ought to be, well, straightforward.

WSJ: Cricket's 'Chucking' Challenge

It's important to remember that a bent arm is fine, just not one that straightens.

WSJ: Cricket's 'Chucking' Challenge

As the car straightens out and gains speed, the airfoils automatically trim out to reduce drag.

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He straightens floor mats in the corridors at work and lines up pencils on his desk.

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Mr Snyder's book straightens the record in favour of the voiceless and forgotten.

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Then he leans over a second humidor, straightens up and holds a cigar aloft with all ten fingers, like a priest raising the Host.

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What he didn't say is that he only straightens his arm by 8%, and of course the bend, which is always there, isn't a problem.

WSJ: Cricket's 'Chucking' Challenge

Take your hands off the wheel and it straightens out.

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His back straightens and he looks me up and down.

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He laughs at something, and she straightens his collar.

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Law 23.4 originally stated that the arm couldn't straighten during delivery at all, but in the 1990s, when technology allowed for detailed analysis, it turned out that almost everyone's arm straightens a little bit.

WSJ: Cricket's 'Chucking' Challenge