'Pharaoh' is actually a Greek word that is based on an Egyptian word that meant 'great house'. When this word was first used, it referred to the palace of the king and its greatness, not just to the king himself. We use the word 'pharaoh' today to mean the ruler of ancient Egypt. the definition of pharaoh.
Rehabilitation (rehab) after a knee replacement is intensive. The main goal of rehab is to allow you to bend your knee at least 90 degrees-enough to do daily activities, such as walking, climbing stairs, sitting in and getting up from chairs, and getting in and out of a car.
Generally it takes longer than 15 seconds to be down, but it happens. here one guy going down during his basic training graduation, and there are many many many many more videos out there of it happening. It's one of the first things people are supposed to learn when standing in formation.. don't lock your knees. I saw 2 hit the deck in JROTC as a kid in one ceremony. The only thing you can do is stand there as the person next to you falls.