For example, in slang Cantonese, a "bor lo goi" ("pineapple cap") is a colloquialism for kneecap.
The patella has convergently evolved in placental mammals and birds; most marsupials have only rudimentary, non-ossified patellae although a few species possess a bony patella.
In 1998, Philippi was severely injured at the 1998 World's Strongest Man during the car flip event where he ruptured his patella tendon and also partially tore his biceps tendon when the car rolled back on him.