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Residual pain3/22/2023 ![]() ![]() Alternatively, it could be a small fragment of cartilage that has torn off the meniscus. In most cases, it is a small fragment of bone that gets stuck, typically a osteophyte that has broken off. Sharp knee pain can also occur when something gets stuck in the knee joint as it moves. You can find out all about the common causes, symptoms, diagnosis and treatment options in the Knee Arthritis section. If the sharp pain gets worse going upstairs typically indicates a problem with the tibiofemoral joint, whereas if your sharp knee pain is worse coming down the stairs it is more likely to be a problem with the kneecap. ![]() ![]() Often, walking itself feels ok, but when you add any extra pressure to the knee joint such as squatting, twisting, running or going up and down stairs, that brings on the sharp knee pain. Once you move the knee into a different position and relieve the pressure on the osteophytes, the sharp pain goes away, but it may leave a residual aching pain. When the knee moves, there is friction and pressure on the osteophytes which results in sharp knee pain. In this instance, the sharp stabbing knee pain comes on quickly when the knee moves into a position that places pressure on the osteophytes, typically with activities where there is weight going through a bent or twisted knee. These osteophytes reduce the space between the bones and without the cartilage to protect and cover them, bone rubs against bone. This typically leads to arthritis. Knee bursitis is another cause of sharp knee pain and can affect any part of the knee. You can find out more about the causes, symptoms, diagnosis and treatment options in the Knee Cartilage Injuries section. Usually after a few seconds of wiggling the knee around, the cartilage moves slightly and once the fragment is no longer stuck, the pain subsides and the knee moves freely. When a loose portion of cartilage gets stuck in the joint, it typically causes a sharp stabbing pain and often results in locking, where the knee joint gets stuck and you can't move your leg. This flap can move around slightly and occasionally gets stuck in the joint Bucket Handle Tear: This is where a partial tear in the cartilage leaves a loose flap that is only partially attached to the meniscus.Cartilage Fragment: A small piece of cartilage may have torn off completely from the main bulk of the meniscus and be floating around in the knee joint.If this knee cartilage gets damaged, then small fragments can tear off and get stuck in the joint. The knee cartilage also works as a shock absorber to reduce the forces going through the knee with activities such as running and jumping. The surface of each knee bone is covered in a thick layer of cartilage which allows smooth, pain-free movement by working as a spacer between the joints so that as the knee moves, there is no friction on the bones. Sharp pain in the knee is most commonly caused by something getting stuck in the knee joint. Most typically the sharp stabbing knee pain develops when there is damage to the cartilage lining the knee joint or inflammation in the knee bursa. Injuries to the soft tissues in the knee are the most common cause of sharp knee pain. We then look more in-depth at how to treat these different causes of sharp stabbing pain in the knee. Here we will look at the common causes of sharp knee pain, how they present and how to work out what is going on in your knee. Nerve Irritation: nerve gets squashed or irritated.Loose Body: bone fragment floating in the joint.Knee Bursitis: inflammation of anti-friction sac.Torn Knee Cartilage: the special cushioning the lines the knee joint.The most common causes of sharp knee pain are: If it accompanied by a shooting pain that travels down the leg, that usually indicates a neural problem either at the knee itself, or in the lower back. When the sharp pain is confined to the knee joint, it usually indicates a problem in the knee joint itself such as a soft tissue injury or inflammation of the joint. In some cases the sharp stabbing pain in and around the knee will persist, but often it either settles completely, or eases leaving behind a residual, ongoing ache or throbbing type pain. Sharp knee pain is often fairly short lived, coming on suddenly with a particular movement and then easing quickly when you stop the aggravating activity. Sharp pain can also occur when there is damage to the soft tissues in and around the knee. It usually indicates a problem in one of the knee bones, or the surrounding neural structures. Sharp knee pain can be extremely unpleasant, often stopping people in their tracks. ![]()
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