1. Babies are born without bony kneecaps which only appear when the child is two to six years old.
2. The knobbles on our knees are all different and it has been suggested they could replace fingerprints.
3. Butlins holiday camps began knobbly knees contests in the 1930s. Laurel and Hardy presented the knobbly knees prizes at Skegness in 1947.
4. There are four major bones in the knee: the femur, tibia, fibula and patella (kneecap).
5. Popliteal means “relating to the back of the knee” where the popliteus muscle is located.

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6. Thick-kneed bustard may sound like a term of abuse but is in fact a species of bird with thick knees. There is also a thick-kneed plover.
7. Originally, in the 18th century, the phrase “bee’s knees” was used to refer to something very small. It came to signify excellence around 1920 alongside expressions such as “cat’s whiskers.”
8. Bees do have knees but not kneecaps.
9. German surgeon Themistocles Gluck implanted ivory hinges into patients’ knees in 1891.
10. The first total knee replacement surgery was performed in 1968.