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7 Studies Explain What the Size of Man Hands Really Means

Everything scientists know about hand size, finger length, and your penis size.

Men with small hands and men with big hands have one thing in common — their man hands give away a lot of information about their athletic ability, cancer risk, virilityhow they treat women, and of course, penis size. But men can’t curse their hands entirely for betraying these secrets: their fingers may actually be to blame. In fact, the length of a man’s index finger compared with his ring finger tells scientists how much testosterone he may have been exposed to in utero, which influences many behavioral, health, and anatomical outcomes throughout his life. Whether you’re a man with small hands or big hands, these two fingers say a lot more about you than you like to give the peace sign. 

What a Man’s Hands and Fingers Might Have to Do With Level of Attractiveness

Men with long ring fingers may be more prone to promiscuity because they’re too damn attractive, other studies show. It’s no excuse, but when researchers had 49 women assess the attractiveness of 49 men, they found that men with longer ring fingers ranked higher than their peers.

Longer Ring Fingers Mean More Sex and More Fertility

The same suggests that longer ring fingers may be linked to fertility, a contention backed by preliminary research. Other studies indicate that men with longer ring fingers are four times more likely to partner with women who display outward signs of fertility, such as larger breasts and hips as well as smaller waists. Meanwhile, both men and women who have longer ring fingers may be predisposed to having multiple sex partners, Oxford University research suggests.

A Man’s Fingers Show How Athletic Man Hands Really Are 

Men with longer ring fingers have better hand strength, regardless of their age and body size, a team of father-son researchers found. Several studies echo the sentiment that longer ring fingers are linked with superior athleticism and overall strength. Shorter ring fingers are best for watching sports. And that’s probably why foam hands at sports stadiums highlight the pointer finger instead.

A Man’s Finger Length Predicts How He’ll Treat Women

Men with longer ring fingers are more likely to smile, laugh, compromise, compliment, and listen attentively to women, according to one study. And the longer their ring fingers were, the kinder and more attentive they seemed to become. Men with longer index fingers, however, argued a lot with the women in their lives.

Yes, A Man’s Fingers Say Something About His Penis

The length of men’s fingers can predict how they treat women, approach sex, and perform at sports, but is the old wives’ tale about the man downstairs true, according to science? You’re damn right it is. One study, published in the Asian Journal of Andrology, revealed that men with longer ring fingers had longer penises to match (no word on girth). After considering the age, weight, height, digit ratio, individual finger length, and body mass index (BMI) of 144 men, they found that height and the gap between index and ring fingers were the other factors that made a difference.

“Based on this evidence we suggest that the digit ratio can predict adult penile size,” study authors write. So if you’re not sure exactly what you’re working with, it’s really all in your hands.

A Man’s Fingers Also Have Something to Do With His Cancer Risk

There’s also evidence that men with long index digits have a comparatively lower prostate cancer risk. But don’t believe anyone who says that the size of your hand in relation to the size of your face has anything to do with cancer. That’s a prankster who wants you to hit yourself.