why does my knee make a wierd ripping noise when i standup?

I'm a skateboarder, and fell because of a little kid cutting me off at the skate park. I grazed my knee and I'm not so worrie...

can the pill make you moody?

Whenever I stretch, or move certain ways, my bones make popping noises. SO while I'm sitting there going "wtf" , others lau...

Today at school, me and my friends were messing about, I asked my friend alanna to give me a piggy back ride so she did and t...

It hurts really bad and its really soreeeee! :(

Umm, im not very good at explaining things, but ill try my best...kay, well, about 3 weeks ago at school i was in math class,...

I play volleyball and I get really bad marks sorta like carpet burn on my legs and knees and sometimes my skin rips anyways ...

I'm on crutches for a stupid circulation problem in my knee, and the pressure just keeps building:( I have a baseball tournma...

whe ever im home alone and I hear a noise I freak and check what the noise is , when ever im walking im constanly looking beh...

My knees are sore and reddish? I have two little red bumps on my knee,they are very sore...please help? What can I do to make...