Pinky test: can you bend your pinky while your other fingers stay flat, and can your partner? . . . Each finger has two tendons that bend it. In many people the pinky's second one (flexor digitorum superficialis) is missing or works only together with the ring finger's. In a Brazilian study of 1,008 people, about 30-35 percent of hands could not bend the pinky on its own; an Indian study of 400 pinkies found 18 percent missing and about 17 percent shared with the ring finger. It's a normal variation. Sources: Oliveira et al., Rev Bras Ortop (2020); Indian Journal of Plastic Surgery (2024); Yammine & Eric, meta-analysis (2018). Send this to your partner and compare pinkies. Replace social media. Improve your attention span. Get NerdSip on the App Store.

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Pinky test: can you bend your pinky while your other fingers stay flat, and can your partner? . . . Each finger has two tendons that bend it. In many people the pinky's second one (flexor digitorum superficialis) is missing or works only together with the ring finger's. In a Brazilian study of 1,008 people, about 30-35 percent of hands could not bend the pinky on its own; an Indian study of 400 pinkies found 18 percent missing and about 17 percent shared with the ring finger. It's a normal variation. Sources: Oliveira et al., Rev Bras Ortop (2020); Indian Journal of Plastic Surgery (2024); Yammine & Eric, meta-analysis (2018). Send this to your partner and compare pinkies. Replace social media. Improve your attention span. Get NerdSip on the App Store. #pinkytest #bodyfacts #humanbody #anatomy #nerdsip

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