how do i know if i have tendonitis in my knees?

i have been have trouble with my right knee lately.. one morning end week i woke up and it hurt to walk. eventually it went away but very soon i notice it more and more.. it feels liek my knees is twisting but its not.. it also feels liek i need to crack it too but i cant..
when walking its of late a really awkward annoying feeling. i can feel it resembling on the sides/below my knee cap

i am flat footed and my knees hyperextend - but that hasnt be a problem ever... i did tear my acl but that is contained by my opposite leg..

help please? thoughts?
Answer:   

I chew gum & my stomach hurts, support!?

First of adjectives, if you injured your knee, you will compensate with your other leg and that one will hurt also. Second, flat foot will give you not only foot problems but also leg and wager on problems. Go see a doctor preferrably a specialist. orthopedic specialist. good luck

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Really tired contained by the morning?

Why waste your time here asking a bunch of amateurs? Take lead of your doctor's expertise for a good answer.

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