What does it mean if your laying down on your knees and then it starts to hurt when getting up?

u got up to fast duh, fr tho prolly a cramp

Explanation:

Osteoarthritis (OA) If you experience inner knee pain while putting pressure on your joint, such as when walking up and down stairs or sitting down in a chair, you may have OA. Because this pressure causes the pain, your symptoms may get more severe as the day goes on.

disposable safety razors<

electric shaver

all of the above