if it bends to far back. when it happens you will feel a sharp pain and then when you put weight on it, it will hurt more
An extended knee means when your leg is straight. A hyperextended knee means when it is pushed back beyond straight which can result in injury.
Hyper. For example, if you hyperextended your knee, then you hurt your knee by moving it excessively (beyond its normal limits).
Knee Cap
A hyperextended blood vessel could cause a stroke
I know when I did that, I twisted the ligaments in my knee.
i don't know i think behindind ur knees or something
A TWO KNEE FISH =]
An armbar is a joint lock where the elbow is hyperextended in order to cause pain or injury in combat sports.
He had a majore knee injury in 1997 I doen't know exacly yet
i dont know people!
knee + on =Neon
I was actually googling nunn's knee to see if what I heard is true. I was told it is knee pain that cannot be explained, nuns apparently get it from kneeling alot. Don't know if it is true or not.