Doctor insights on:
What Does It Mean To Hyperextend Your Knee
Injured by extension: Hyperextension means over-extension, or straightening a knee joint beyond the straight position. If one straightens out his leg, it stops approximately straight, which is normal. If his lower leg and foot continues moving past the straight point, that is called hyperextension. At first, knee ligaments will over-stretch, with a little bleeding. Further extension will tear up the ligaments. ...Read moreSee 1 more doctor answer
Needs evaluation: Sharp pains in the knee joint can be benign or may indicate something more serious like a torn meniscus (cartilage). This is not something you can diagnose on your own. Your doctor can find the answer by doing a history and detailed exam, and may order additional tests such as an MRI or x-rays. ...Read moreSee 1 more doctor answer
I have trouble bending my knees or keeping them bent. What does this mean and what should I do about it?
Knee effusion likely: Knees that are swollen with fluid (effusion) are more difficult to bend since you cannot compress fluid contained within the closed space of your knee. A bent knee decreases the overall volume of the knee joint, whereas a partially bent knee provides the most space (volume) for fluid to collect. If this is true, you likely cannot fully straighten your knees as well. Seek thorough knee examination. ...Read more
Synovial fluid: Usually an over acumulation of joint fluid. ...Read more
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