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Women are at greater risk of experiencing a hyperextended knee injury as their ligaments tend to be more lax than men’s which results in an increase likelihood of joint instability. They are strong ligaments that hold the knee bones together, but if enough force goes through the knee, the ligaments over-stretch and the knee hyperextends. The four knee ligaments, the anterior and posterior cruciate ligaments and the medial and lateral collateral ligaments are the main stabilisers of the knee joint. What Prevents Hyperextension of the Knee? Piggyback Ride: If someone jumps on your back for a piggyback ride without warning it can pull you off balance and result in a hyperextended knee.Momentum keeps your body moving forwards while the knee bends backwards, particularly if the foot is fixed there is a hole or you are wearing cleats you may experience a knee hyperextension injury. Running: If you suddenly stop when running, particularly if taking all your weight through one leg, or if your foot gets stuck in the ground, e.g.This is especially likely if the bindings fail to release a snow bank, the skier’s body often keeps moving forwards while the feet are fixed causing hyperextension of the knee. Skiing: If the front of the skis hit something e.g.Sporting Tackle: a tackle at the front of the knee that pushes the joint straight backwards can lead to knee hyperextension.Awkward Landing: Landing hard from a jump or being unbalanced as you land, particularly if landing on a straight leg, can lead to a hyperextended knee.We will start by looking at knee hyperextension injuries as they are the more common problem and then we will go on to look at ongoing Genu Recurvatum Syndrome. This is an ongoing condition where the hyperextended knee is persistent, and is usually associated with ligament laxity or various medical conditions rather than an injury Genu Recurvatum Syndrome: where the knee naturally rests back into hyperextension whenever the leg is straight.This is usually a short term problem that settles down within a few weeks to months with no ongoing knee hyperextension Knee Hyperextension Injuries: the result of an injury where something forces the knee to momentarily hyperextend.Knee hyperextension can be divided into two categories:
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Here we will look at the common causes, symptoms and associated injuries with a hyperextended knee and then we will go on to look at the best treatment options to ensure a full recovery and reduce the risk of ongoing instability and further injuries. This can lead to long-term knee instability if left untreated. In severe cases, one or more of the knee ligaments may be over-stretched and either partially or completely tear. When the knee hyperextends, stress is placed on the knee structures, particularly at the back of the knee. Knee hyperextension can cause pain, swelling and instability and often affects daily activities and sports. A hyperextended knee is where the knee joint bends too far backwards.