I feel stupid even asking that, it sounds ridiculous to me, but thats what it feels like. Like if you got a charlie horse in your leg, just under the knee cap instead. it happens mostly at night when i am sleeping, wakes me up all the time. started about a week ago i guess. I have had lots of knee problems in the past, but don't know the names for it all. My knee caps were tilted (apparently alot) when i was very little, litterly as long as i can remember, had 5 surgery's as a child to make my knee caps sit straight. it never made it better. a few yaers ago i got sick of the pain & went back to the Doctors. found out i also have where the tendon over my knee cap is too long & the grove my cap sits in is too shallow. along with this, i have flat feet, & that dont help things. I started acupuncture about 2 years ago, after 1 month of treatment, all pain went away. I havent been back in about a year, only having dull achy pain when over used. all of a sudden i started with this cramp like pain & its only in my right knee (thats my bad one). Not sure what it is. can't get in to see my knee doctor for a month. anyone have any ideas?