Finger length linked to men’s risk of knee injury

Finger length linked to men’s risk of knee injury

“Manly” hands might signal an increased risk of suffering a knee injury. A study of over 1,000 middle-aged and older adults, found a higher risk of knee injuries among men with a bigger discrepancy in the lengths of their index and ring fingers. The cartilage that cushions the joints is sensitive to testosterone, so it’s possible that greater exposure to the hormone makes the tissue more vulnerable to damage. Since the finger pattern has also been tied to aggression, it's possible that men with the pattern are more likely to be in situations where they can be hurt, according to the study.

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