The meaning of dreaming about your knees is related to support that you can get. You feel very emotional. Feelings of inadequacy and weakness and problems of power / control also come into play. Maybe you take more than you can handle.
You may look in dreams interpretation for other symbols :
Knife : If you dream that you wear a knife, the interpretation is related to your anger, aggression and / or separation. It may be something in your life that you want ... l">l">
Knight : If you dream about a knight, the dream means honor, loyalty, protection and security. The Knight can be seen as a savior who toss someone down, as a 'knight in ...