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Human knees kind of suck — here's why we haven't evolved better ones

Live Science
Summary
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78% Informative

The knee has undergone major changes to its size and shape to allow early humans to walk upright.

The knee is an intricate piece of biological machinery that scientists don't fully understand.

New research has shown that two of these often misunderstood bones, the medial and lateral fabellae, which are behind the knee, could have evolved in multiple ways in primates.

Dr Michael Berthaume is a Reader in the Department of Engineering at King’s College London .

He was at London South Bank University where he was Deputy Head of the Division , in charge of Research and Enterprise .

He is a fellow of the Royal Anthropological Institute and member of the Exceed Research Network .