They need to have knees to walk. And to swim. And occasionally to bend down and drink.
In tuck, your knees are bent. In pike, your knees should be straight.
Walk forward in a straight line.
Yes an hit your knees with a hammer
stand up bend your knees and go straight
stand up bend your knees and go straight
plié
they bend their knees and you can see the falmingos legs bending.
A jazz walk is a low walk where the knees are bent and the shoulders and arms are curved in opposite directions while walking forward.
Walk Straight Down the Middle was created in 1989.
Because their legs are so fat that their legs rub together when they walk, and most of the time the fat ends at around the knees. That's why they waddle too...the fat lards.
Your knees would be less strong because of all of the pressure that you put on them when you walk...and after fifty years of walking, then the knees would be very weak.