We are available M-F 8:30 AM - 5 PM CT. The patella, or kneecap, is a small, triangular bone that protects the front of the knee. A dislocation of the patella occurs when the patella comes completely out of its groove on the end of the thigh bone (femur), and comes to rest on the outside of the knee joint. While your kneecap may not come completely out of its groove in your knee joint, your unstable kneecap will still cause knee pain. Recover in no time: Make your knee recovery faster with our Osgood Schlatter knee strap kids. Medical professionals take plain X-rays to look for broken bones (fractures) and to determine the misalignment of the femur and tibia. Any extreme activity or contact sport can cause a patellar subluxation. Symptom Relief Sit with your knee raised at least 4 times a day. Knee sleeves that extend above and below the patella provide even greater pain relief. X-rays may be used to see how the kneecap fits into the groove at the bottom of the patella and to identify any other possible bone injuries. 2005-2022 Healthline Media a Red Ventures Company. In displaced patella fractures, the patella is broken and the pieces of bone have moved out of place. The major complications of knee dislocation include the following: Symptoms of a broken bone include pain at the site of injury, swelling, and bruising around the area of injury. About 75% of the time, a luxating patella in dogs tends to occur inward, or toward the other hind limb. Until about 10 years ago, lateral release was the standard surgical treatment for patellar subluxation, but its rare nowadays because it increases the risk of recurrence of instability in the kneecap. In 2007, a systematic review of 70 previous studies found little difference in long-term outcomes between those who had surgery for their patellar dislocation and those who didnt. Patellar subluxation is a partial dislocation of the kneecap (patella). If there is no arterial damage and a doctor admits a patient to the hospital for continued observation for the potential of delayed injury, a medical professional may perform a knee MRI to better understand the extent of the injuries. Typically, your kneecap will dislocate laterally (towards your outer knee). An obvious visual deformity of the knee is noted. What is the recovery time after patella surgery? That complication falls to 20% if the artery repair occurs sooner. Although patellar subluxation refers specifically to the partial dislocation of your kneecap, subluxation can occur in other parts of your body. Youll be given crutches to use for six weeks following surgery. Your doctor may prescribe crutches or a cane to take the weight off your knee. Pain in the knee, especially when sitting or otherwise bending the joint, Stiffness and difficulty moving the joint, Difficulty or inability to support your weight on the leg, Audible cracking noises when the joint is moved, Irregular motion of the joint while walking. Some people find relief by taking anti-inflammatory pain medications as well. The final surgical option we will mention is bone realignment (Fulkerson procedure). Recovery from a knee dislocation can take a long time. It is most common for it to dislocate outwardly as the muscles on the outside of the leg are often stronger than on the inside. Novick N. (2016). The surgeon will place one or two screws inside your leg to secure the piece of bone that is transferred. Most people recover fully within 6 to 8 weeks. Easily adjustable, they can be worn comfortably all day long. Knee dislocations are unstable. Your physical therapist will help evaluate when you are ready to get back into sports and other strenuous activity. A 2015 study found a lower rate of recurrence of full dislocation of the kneecap in people who had surgical treatment. Kneecap dislocation often responds to physical therapy alone, especially for young people whose bones have not yet matured. ( See Product). 2022 Vive Health. There are two types of compartment syndrome: acute compartment syndrome, which is treated with surgery (fasciotomy), and chronic compartment syndrome, which is treated with rest and modality to the affected limb. A patella fracture is a break in your kneecap, the bone that covers your knee joint. Regular knee exercises are an excellent way to support any recovery process, as well as protect against the threat of future injury. Medical imbrication is another surgical option for patellar subluxation. dislocated kneecap recovery & treatment Treatments for patellar dislocations will vary based on the chronicity and severity of the injury. Increased height and weight put more pressure on the joint. All in all, Roberts says, the key is timeand he warns that full recovery usually takes longer than the reigning MVP may be afforded by . There are several types of patellar dislocation, categorized by the direction of displacement and the frequency of dislocation experienced by the patient. Kneecap dislocations usually occur as a significant injury the first time the injury occurs, but the kneecap may dislocate much more easily thereafter. You usually return home the same day wearing a brace to stabilize your knee. Orthopedic surgeons operate to repair any bone injuries and fractures, as well as torn knee ligaments. [2] Women usually have a higher Q angle due to their naturally wider pelvis, meaning they are more prone to experience a patellar subluxation. You may experience the following symptoms with patellar subluxation: Although you might be able to self-diagnose, you will need to see a doctor for treatment. We recommend consulting with your physical therapist and doctor about your condition before contemplating surgical options. Osteochondral fractures occur in 25 -75% of cases and usually require surgical management. Those who have experienced dislocations previously may benefit from a conversation with their doctor. If you require surgery, you must go through a recovery period that includes stabilization and rest and physical therapy to rehabilitate your knee. Typically, your kneecap should slide up and down, while staying in this groove as your knee bends and straightens. In comparison to most surgeries, thisarthroscopic surgery is minimally invasive, with just a couple small incisions around your knee. Patella (Kneecap) Dislocation Jeffery Housner, M.D. Initial treatment and stabilization includes looking after the whole patient, including assessing and treating any other injuries that might be present. For example, they may have a shallow patellofemoral groove at the end of their thigh bone or strange alignment issues. I was on complete bed rest for 3 days including the day of the injury but was given a walker on the 3rd day, Wednesday, which was also my followup appointment with the orthopedic surgeon/doctor, however, I'm still supposed to avoid putting any weight on the injured leg but the walker helps me get . Then last year, 31 years later, I dislocated my left kneecap for the first time playing basketball. Medial patella subluxation: Diagnosis and treatment. Terms of Use. Luckily, those experiencing the condition are often well-equipped to handle the situation at a moments notice. If your kneecap is damaged or unstable, you may need surgery to repair or stabilize it. In more serious cases, it could lead to a complete dislocation of your kneecap. The first incidence of dislocation is the best prediction of future injury. If the artery injury is not repaired within a few hours, there is high risk of leg amputation. The recovery time for a dislocated patella will also depend on your orthopedic physician's protocol. A dislocated kneecap ( patella dislocation) is when your kneecap completely dislocates out of normal alignment. Dr#Charles#Preston's#Patellofemoral# Dislocation#Rehabilitation#Protocol# # Thisevidencebasedandsofttissuehealingdependentprotocol . Knee pain can be aggravated by physical activity, as well as obesity, affected by the surrounding muscles and their movements, and be triggered by other problems (such as a foot injury). Approximately 10%-15% will have adequate function. Dobson BE, Mendelsohn C. Characteristics of patients with primary acute lateral patellar dislocation and their recovery within the first 6 months of . What are signs and symptoms of a dislocated knee? The major complications of knee dislocation include the following: If the kneecap is dislocated at the time of your office visit, the veterinarian can easily diagnose the condition with a physical examination of the affected limb. This will help reduce swelling. After surgery, physical therapy, rehab treatment, and recovery time take months, lasting up to a year or more. . A knee dislocation is very painful, and marked swelling and deformity often accompany the injury. See additional information. Talk to your doctor about the best ways to maintain long-term joint health. Athletes who dislocate. To maximize comfort, check the braces material. A sleeve is a type of patellar dislocation knee brace that works by redistributing weight to different areas of the leg, allowing the affected joint to heal more easily. This can also damage the ligament on the inside of the knee, known as the medial patello-femoral ligament (MPFL). Nonsurgical treatment is recommended for the majority of people with a first-time patellar subluxation or dislocation. On average, lateral release procedure is the quickest to recover from, and a bone realignment surgery takes the longest to recover from. Like any dislocation, it is painful and debilitating until it is corrected. Learn how to use heat, cold, tai chi, and other strategies to ease your knee. They apply mild pressure to the tendon below the patella. The patient will have too much pain to lift the leg off the stretcher or to try and walk at all. Muscles in the calf and shin are in compartments tightly bound by fascia (thick tissue). That knowledge will give you the best chance at immediate and long-term recovery. A patella fracture can be simple or complex. Although a conservative course of treatment is usually recommended, surgery can also be performed, depending on how severe the injury is. Patients sustaining a dislocated patella for the first time should undergo an outpatient MRI examination of the knee even if the radiological evaluation is normal. Doctors no longer routinely perform arteriography, where dye is injected directly into the artery. Vascular surgeons are also actively involved in the care of knee dislocations because popliteal artery injuries can be catastrophic. Most patients will require repair of their fractures and reconstruction of their torn ligaments. The MPFL is the restraint between the end of the thigh bone (femur) and the inner side of the kneecap (patella). A knee dislocation, more specifically, is when the bones of the leg (the tibia and fibula) are moved in relation to the bone in the thigh (femur). If you experience a patellar subluxation, your kneecap is likely being pulled towards the outside (lateral side) or inside (medial side) of your knee. Patellar subluxation is much more common than patellar dislocation(total knee dislocation). This occurs when your kneecap moves or is moved entirely off its groove. Certain exercises may help strengthen your leg muscles and reduce the chance of knee injuries, including patellar subluxation. Medically speaking, the term "myalgia" refers to what type of pain? Some fractures require surgery to repair. As these activities arerepeated, your knee will probably becomeincreasingly irritated and painful. You can learn more about how we ensure our content is accurate and current by reading our. One of the most common procedures for patellar subluxation is lateral release surgery. What Are Schmorls Nodes, and Should I Be Concerned About Them? In most cases, the knee is held in a groove at the bottom of the femur. Several groups of muscles and ligaments hold your kneecap in place. And of course, consult your doctor or physical therapist to ensure the brace fits into your treatment plan. Wearing a patellar stabilizer or patellar tracking brace can help your kneecap move properly and prevent patellar subluxation. In medicine, X-rays are used to obtain an image of a part of the body. You may need to rehab your knee for up to a year. The kneecap is a small protective bone that attaches near the bottom of your thigh bone (femur). Failure to act quickly can lead to discomfort or further injury. This won't be necessary if your doctor used dissolving stitches and tape strips. Moreover, the medial displacement of veterinarians diagnosed in about 80% of cases. Medial patellofemoral ligament (MPFL) reconstruction help repair the MPFL, which is commonly torn or injured when the kneecap subluxes or dislocates. Children and adolescents are sometimes not aware that theyve had a patellar dislocation. Preventing the Recurrence of Kneecap Dislocation or Patellar Dislocation Dislocation will occur once again when one had a dislocation when they were kids. However, sometimes if your ligaments are loosened too much, your kneecap becomes unstable, and it is pulled to the inside of your knee (medial subluxation). Wearing proper protective gear in contact sports is another important way to prevent all types of kneecap injuries. Knee straps are one of the most comfortable solutions to patellar dislocation pain. Your health care provider will most often refer you to an orthopedic surgeon. Certain movements, such as running or jumping, make your kneecap more susceptible to patellar subluxation. Simply sit on the floor with your legs straight in front of you. This website uses JavaScript to apply discounts. A knee dislocation is a relatively rare injury. Repairing damage to the popliteal vein or the peroneal nerve is controversial as to whether that repair is beneficial in the long term. For . The brace keeps your leg straight while walking. Theyll tell you when its time to start increasing activity. You may also refer to it as a dislocated kneecap. Patella Fracture treatment). Dislocated kneecap recovery time? Your kneecap, or patella, can sublux out of its normal position more easily when your thigh muscles are weak or unbalanced. MRI scanning is painless and does not involve X-ray radiation. During physical therapy, the common goal (s) is to reduce pain and inflammation, especially during ambulation. Patellar dislocation, also known as patellar luxation accounts for 3% of all traumatic knee pain episodes every year. Spine (vertebral) subluxation and hip subluxation are a couple other places in your body where subluxation can occur. Patellar Dislocation (Acute) . The initial diagnosis of knee dislocation occurs by history and physical exam. Since this bone is so important, doctors are quick to recommend a patellar dislocation protocol to realign the joint and keep it protected. (n.d.). These exercises will help you to regain full function, flexibility and strength and also reduce the risk of the injury reoccurring. There are many steps you can take to treat kneecap subluxation and address poor kneecap tracking. by Lindsay Allen December 01, 2022 0 Comments, by Jessica Hegg November 08, 2022 0 Comments, by Lindsay Allen November 01, 2022 0 Comments, by Jessica Hegg October 09, 2022 0 Comments. Your recovery time will also depend on whether or not you have injured the cartilage on your kneecap or patella. During the first two days after the surgery, the patient is made to stand with support and is made to do a few exercises. Common incidents leading to knee injury includes falls, collisions in sports, or increased activity, There are two types of knee locking: a true knee lock and a pseudo knee lock. A-F. . Were here to help! A large Q angle pulls your kneecap outwards due to thestronger lateral pull. Patella dislocation occurs when the bone slides out of a groove which normally holds the kneecap in place. The kneecap is normally held in place by tendons that connect it to muscles around the knee joint. Prepare yourself for a reduction. How high your patella is. A comprehensive program will use bracing and progressive range of motion, strength, and agility exercises. 1996-2022 MedicineNet, Inc. All rights reserved. Novick N. (2016). Ligament damage to the knee: Three of the knee four ligaments (ACL, PCL, MCL, LCL) must tear for the knee to dislocate. The recurrence rate following a first-time dislocation is around 15-60%. This is how long it usually takes any broken bone to heal, and you'll likely be wearing a cast this entire time. If surgery is needed, a number of new techniques make it likely that youll regain all or most of your previous strength and activity. The Difference Between Lateral and Medial Knee Subluxation If you experience a patellar subluxation, your kneecap is likely being pulled towards the outside (lateral side) or inside (medial side) of your knee. Patellar subluxation can also cause discomfort with activity, and pain around the front or sides of your kneecap, known as patellofemoral pain syndrome(PFPS). The procedure uses an intravenous dye and CT scanning to image the coronary arteries. It can be used for both the treatment and prevention of patellar subluxation. While most cases of a displaced kneecap are due to falls and other accidents, some people experience frequent dislocations over the course of their life. Where your patella tendon attaches to your tibia. What are complications of knee dislocations? A knee dislocation most likely means that these have been torn, or possibly even broken bones. A dislocated kneecap can be minor or major. Most patellar dislocations take awhile to heal. The bones may look aligned, but the joint remains very unstable. The extent of the dislocation determines whether its called a patellar subluxation or a dislocation. If you experienced a mild dislocation that only requires stabilization and physical therapy, you may be ready to use your knee again within a few weeks. You should be back to normal in 3-5 months after your injury. In addition, you should apply ice and elevate your knee to reduce any painful inflammation (R.I.C.E. The MRI can help confirm it. Other causes, which in dogs occurs medial patella luxation are injuries and o-shaped or s . A patellar dislocation will be felt immediately at the time of your injury, and there will be an obvious displacement of your kneecap. In some cases, weight loss is one of the most important components of treating an unstable kneecap. Doctors will check pulses in the foot (dorsalis pedis and posterior tibial arteries) and in the back of the knee (popliteal artery). Privacy PolicyThe information on this site is not intended or implied to be medical advice, diagnosis, or treatment. Most cases of first-time patellar subluxation are treated conservatively, without surgery. Your kneecaps serve as the most important line of defense between a sudden fall and serious leg injury. Often this happens during sports, but it can also occur in dancing or jumping activities. A true knee lock occurs when something in your knee joint gets stuck and. Knee dislocations are a potential vascular emergency and can be associated with damage to the popliteal artery in the back of the knee. But the rate of recurrence of patellar subluxation was almost the same (32.7 versus 32.8 percent), whether the person had surgery or not. [6] The doctor will likely give you pain medication before manipulating your knee to minimize the discomfort. Sure, everyone is going to experience pain from time to time. A kneecap dislocation should not be confused with a knee dislocation. Remember to consult your doctor before beginning any new exercise regimen. McCarthy MA, et al. A normal Q angle among men ranges from 8 to 14 degrees. Our doctors define difficult medical language in easy-to-understand explanations of over 19,000 medical terms. Because a dislocation often damages knee tissue, the patella often remains looser, or more unstable, than it was before the injury. Whether completed in privacy or as part of a formal patellar dislocation rehab regimen, the following exercises are a good place to start. In lateral release surgery, your kneecap is realigned and placed back for normal tracking. https://www.drugs.com/cg/patellar-dislocation.html, https://www.stoneclinic.com/patelladislocation, https://emedicine.medscape.com/article/109263-overview, https://radsource.us/transient-lateral-patellar-dislocation/. Fractures often accompany a knee dislocation. There will be . The train, your kneecap, should slide up and down and stay on the train track, the groove in your knee joint. MedicineNet does not provide medical advice, diagnosis or treatment. . diseases of the male reproductive organs. If this was your first patella dislocation and you. Symptoms of compartment syndrome include: The CT coronary angiogram procedure is a noninvasive test of the heart. A dislocation of the kneecap can lead to long term issues such as recurrent dislocations, cartilage injury or arthritic change. Most people are able to return to work or school two weeks after surgery. the quality of the ligaments(MPFL) that hold the patella in place. Weight loss (if applicable) can also help reduce any extra strain on our knees and prevent subluxation of your kneecap. A patellar dislocation is typically considered a medical emergency and is usually very painful. Dr. Merrick Wetzler answered. childrenscolorado.org/conditions-and-advice/conditions-and-symptoms/conditions/kneecap-instability/, ncbi.nlm.nih.gov/pmc/articles/pmc4492148/, hss.edu/conditions_medial-patellofemoral-ligament-reconstruction-mpfl.asp, hss.edu/conditions_tibial-tubercle-transfer.asp. . A family history of patellar dislocation increases an individuals risk. The doctor will first push the kneecap back into place. Keeping pressure on the injury will keep the patella in place and speed recovery. If you have any questions about treatment for a specific condition, please check with a health care professional. View a variety of patella support braces. DOI: Zimmerer A, et al. When this happens, your kneecap does not slide centrally within its groove as it should. Common causes include motor vehicle crashes, car-pedestrian accidents, industrial accidents, athletic injuries, and falls. They do their job so well that you might take them for granted. Should the patella be replaced in total knee replacement? Certain movements, such as running or jumping, make your kneecap more susceptible to patellar subluxation. Update: Injury happened on Monday and I'm currently on day 5, Friday, after my knee cap injury. Knee dislocations are associated with significant swelling and bleeding, and it may be difficult to appreciate on physical exam how unstable the knee might be. For example, if you have experienced a patellar tracking problem in the past, you are automatically more susceptible to patellar subluxations and patellar dislocations of your knee. A knee dislocation is an orthopedic emergency and is different from a kneecap (patellar) dislocation, where the kneecap, located in front of the knee, slides laterally out of place. If nonsurgical treatments fail and you experience recurrent kneecap subluxation, you might want to consider surgery to protect your kneecap from subluxation. Rehabilitation after a dislocated patella will include: Strengthening Exercises: Targeting the muscles around the hip and knee, particularly those that stabilize the kneecap such as the VMO muscles on the inner side of the knee. There are different Surgery is considered in cases of recurrent patellar dislocation, to mitigate the threat of unexpected knee injury. Most injuries push the kneecap toward the outside of the knee. ( See Product). Some people have abnormal leg structure. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Follow all instructions for covering and dressing the wound, keeping it dry, and showering. Summary of interview with Dr. Beth Shubin Stein and Dr. Sabrina Strickland: Medial patellofemoral ligament (MPFL) reconstruction. When the ligament is weak or damaged, the kneecap can dislocate toward the outside of the leg. Hard signs of popliteal artery injury will cause the patient to be taken immediately to the operating room for artery repair. The longest recovery times come from bone realignment procedures, which can leave the patient suffering from pain and stiffness for several months. The kneecap will . areas where hematomas occur including; inside the skull, on the scalp, ears, septum, bones, finger nails, toenails, and intra-abdominal. . Most people can resume sports and play activities four to seven months after MPFL reconstruction. What causes pain behind the knee? Knee dislocations are a result of significant force or. Most dogs recover fully once the kneecap has been replaced though you will need to restrict your dog's activity until the surgical site . Pain is a common knee problem that can originate in any of the bony structures compromising the knee joint (femur, tibia, fibula), the kneecap (patella), or the ligaments, tendons, and cartilage (meniscus) of the knee. By looking carefully at the ligaments surrounding the bone, doctors can see how likely future injury will be. Getting your normal stretch and mobility back after surgery for patellar subluxation can take months or possibly even longer. If you have underdeveloped inner thigh muscles or overdeveloped outer thigh muscles, it is important to balance those out. Fascia blasting has become a popular technique for loosening the fascia and treating conditions like pain and cellulite. A patellar dislocation MRI is an effective tool to examine the risk factors associated with recurrent dislocation. It is considered after a second kneecap dislocation or if the knee is very unstable. In this operation, the ligament is reconstructed using a small piece of tendon taken from your own hamstring muscle or from a donor. Ultrasound (and ultrasonography) is imaging of the body used in the medical diagnosis and screening of diseases and conditions such as: Knee problems are typically caused by general wear and tear from daily activities, although injuries and osteoarthritis could also be responsible. A patellar fracture is a serious injury that can make it . Point your toes upward and tighten your leg. MedTerms medical dictionary is the medical terminology for MedicineNet.com. It causes a lot of pain and discomfort. If the displacement is inside, it is medial dislocation if the outside - lateral. Limited ability to bend your knee for up to 12 weeks. Last medically reviewed on September 27, 2018, Mild to moderate knee pain can often be successfully treated at home. Treatment for Pagets disease depends on the type. For a complete recovery, it is usually 3 to 6 months depending on your activity level. Surgical treatment is recommended if you have a repeat episode or in special cases. According to Roberts, the kneecap is what's known as a "sesamoid" bone, which develops in a tendon to improve the mechanical advantage and protect the tendon. Here's what you need to know about finding relief. You'll recover faster if you stick to your doctor's advice. Its true that you can be injured while running and that runners sometimes have sore knees or knee conditions. Dislocated Kneecap Recovery Time. Patellar subluxation, a patellar tracking disorder,occurs when your patella (kneecap) becomes partially dislocated. A dislocated kneecap is a common injury. The provider needs to have a high index of suspicion to make the diagnosis. Most people's kneecaps shift too far towards the outside of their leg (lateral subluxation). Begin flat on your back, with your injured leg straight and the other leg bent in a natural position. Breathable neoprene is usually a good bet. Patella alta, or a high patella is a risk factor for patella dislocations. Medial patellar subluxation is a very uncommon form of patellar instability, but it is possible. Treatment of a patellar dislocation Treatment is somewhat controversial, but generally with first-time dislocations, especially in younger athletes, nonsurgical treatment is attempted first. Even after recovery, youll likely want to wear a knee brace while exercising to prevent re-injury. The side effects, dangers, and risks of having X-rays while pregnant or breastfeeding are provided. All rights reserved. With a dislocated knee, the relationship between the femur and tibia is lost and at least three of four ligaments that hold the knee stable must be torn. That does not mean your kneecap will be fully functional when the cast comes off, however. The bones of the knee are held together by strong bands of tissue called ligaments. Physical therapy is started at . 1996-2021 MedicineNet, Inc. All rights reserved. In those patients who have a popliteal artery injury repaired more than 8 hours after injury, 80% will need a leg amputation. A patellar dislocation will be felt immediately at the time of your injury, and there will be an obvious displacement of your kneecap. Stefancin JJ, et al. But the dislocated knee cap will sometimes correct itself. The most common procedure performed for patellar dislocation addresses an important ligament called the medial patellofemoral ligament, or MPFL. Medial and lateral collateral ligaments (MCL, LCL), Anterior and posterior cruciate ligaments (ACL, PCL). Updated Oct 18, 2019 at 9:34am. Falls and other types of accidents that lead to direct impact on the knee are the primary cause of patellar dislocation. For long-term care of a dislocated kneecap, a patellar dislocation brace is an effective solution to treat various types of patellar dislocations. Dislocated my kneecap playing rugby today. Technical subject, but this determines which was the femoral groove will face. Most first-time injuries occur during sports. Knee pain can affect people of all ages, and home remedies can be helpful unless it becomes severe. For long-term care of a dislocated kneecap, a patellar dislocation brace is an effective solution to treatvarious types of patellar dislocations. As a result, the patella may dislocate again. What is the recovery time for a dislocated knee? To diagnose a patellar subluxation, your doctor will bend and straighten the injured knee and feel the area around the kneecap. If the knee is dislocated when the patient comes to the emergency department, a medical professional might attempt to relocate the knee dislocation, if possible, to minimize the risk of continued popliteal artery damage. A dislocated kneecap is often caused by a direct blow to the knee, or a twisting injury due to a sudden change in direction when your leg is planted on the ground. The treatment is to pop the kneecap back into place and start physical therapy to strengthen the muscles around the kneecap to prevent recurrence. Lateral patellar subluxation is much more common than medial subluxation because of your Q angle. Four ligaments cross the joint attaching to both the femur and tibia, stabilizing the knee: The quadriceps muscles on the front of the thigh and the hamstrings on the back of the thigh add to the knees stability. Most patients recover well from a dislocated patella however to give yourself the best chance of a good recovery it is important to work hard at the following simple exercises. The tibial tuberosity is an oblong elevation, or bulge, in the tibia just below your knee. The knee most commonly dislocates anteriorly or posteriorly, where the tibia is shoved forward or back compared to the femur. I have dislocated my patella 4 or 5 times over the last 25 years, and have seen quite a change in thinking regarding treatment of the injury. 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