Symptoms » Knee locking

Knee locking

Knee locking: Introduction

Knee locking: Inability to either straighten or bend knee. See free access online books about Knee locking below. See detailed information below for a list of 18 causes of Knee locking, including diseases and drug side effect causes.

» Review Causes of Knee locking: full list

Causes of Knee locking:

The following medical conditions are some of the possible causes of Knee locking. There are likely to be other possible causes, so ask your doctor about your symptoms.

• Knee cartilage fragment
• Knee bone fragment
• Knee ligament damage
• Knee cartilage disorder
• Torn medial meniscus
• Osteochondritis dissecans - occasional knee locking with instability.
• Knee alignment problem
• Kneecap malalignment
• Knee pseudo-lock
• Knee pain
• Knee arthritis
• Osteoarthritis
• Recurrent patella dislocation - may cause knee locking or knee collapse
• Torn lateral meniscus
• Chondromalacia patella - occasional locking or knee collapse.
• more causes...»

See full list of 18 causes of Knee locking

» Review Causes of Knee locking: full list

Knee locking: Symptom Checker

Listed below are some combinations of symptoms associated with Knee locking, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

Symptom Checker

• Knee locking: Symptom Checker

Symptom Checker

• Knee locking and Knee pain (6 causes)
• Knee locking and Nerve symptoms (6 causes)
• Knee locking and Pain (6 causes)
• Knee locking and Sensations (6 causes)
• Knee locking and Stiffness (6 causes)
• Knee locking and Swelling symptoms (6 causes)
• Knee locking and Knee symptoms (5 causes)
• Knee locking and Leg symptoms (5 causes)
• Knee locking and Limb symptoms (5 causes)
• Knee locking and Movement symptoms (5 causes)
• Knee locking and Stiff knee (5 causes)
• Knee locking and Arthritis-like symptoms (4 causes)
• Knee locking and Joint pain (4 causes)
• Knee locking and Joint swelling (4 causes)
• Knee locking and Joint symptoms (4 causes)
• more...»

See full list of 356 Symptom Checker combinations related to Knee locking

Knee locking: Marketplace Products, Discounts & Offers

Products, offers and promotion categories available related to Knee locking:

• Leg Care & Injury
• Knee Care & Injury
• more product offers...»

Causes of General Symptom Types

Research the causes of these more general types of symptom:

• Stiff knee (21 causes)
• Knee symptoms (130 causes)
• Stiffness (639 causes)
• Leg symptoms (1708 causes)
• Movement symptoms (2705 causes)
• Limb symptoms (1225 causes)
• more symptoms...»

Research the causes of related medical symptoms such as:

• Knee
• more symptoms...»

Causes of Similar Symptoms to Knee locking

Research the causes of these symptoms that are similar to, or related to, the symptom Knee locking:

• Stiff knee (21 causes)
• Knee pain (120 causes)
• Knee symptoms (130 causes)
• Knee collapse (6 causes)
• Knee cartilage fragment
• Knee bone fragment
• Knee ligament damage
• Knee cartilage disorder
• Torn medial meniscus
• Osteochondritis dissecans
• Knee alignment problem
• Kneecap malalignment
• Knee pseudo-lock
• Knee arthritis
• more symptoms...»

Diagnostic Guides for Knee locking

Medical Books Excerpts Read excertps from published book sections related to Knee locking from the following published medical books for more detailed information about Knee locking. Free access (no registration): read all online diagnostic book sections about Knee locking

Copyright notice for book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.

Knee locking: Research Related Doctors & Specialists

• Arthritis & Joint Health Specialists (Rheumatology):
  • Rheumatology (Joint Health)
  • Pediatric Rheumatology (Child Joint Health)
• more specialists...»

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Misdiagnosis and Knee locking

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Read more about Misdiagnosis and Knee locking

Diagnostic tests for Knee locking:

Various tests are used in the diagnosis of Knee locking. Some of these are listed below :

• Physical examination
  • Inspect the knee with the person walking, standing and lying
  • A systematic examination of the affected knee looking for signs of inflammation, deformity, swelling, disordered stability and reduced range of motion
• Radiological examination
  • X-Ray of knee
  • MRI may be indicated to diagnose torn menisci or other conditions
• more tests...»

See full list of 7 diagnostic tests for Knee locking

Diagnosis Checklist: Questions your doctor may ask (and why!)

During a consultation, your doctor will use various techniques in their assessment of Knee locking. Your doctor may ask several questions when assessing your condition. It is important to remember that your consultation is a two-way process and any extra information you can share with your doctor about your symptoms may help them with their diagnosis. Some of the questions your doctor may ask are listed below:

• How long have you been having problems with knee locking? - to determine if acute or chronic.
• What exactly do you mean by knee locking? - True knee locking is the sudden inability to extend the knee fully but ability to flex fully. It usually occurs in the range of 10 -45 degrees, with average of 30 degrees. Causes of true knee locking include torn meniscus (bucket handle tears), loose body (bony fragment from osteochondritis dissecans), torn anterior cruciate ligament (remnant), avulsed anterior tibial spine, dislocated patella and osteochondromatosis.
• Pseudo-locking may be due to first or second degree medial ligament tear, strain of the anterior cruciate ligament, gross effusion (fluid collection in knee joint) and pain and spasm of the hamstring muscles
• How frequently do you experience knee locking?
• What activities or movements of the knee will precipitate knee locking?
• more questions...»

See Diagnosis Checklist for Knee locking (15 listings)

Diagnosis Checklist: Associated symptoms your doctor may ask about (and why!)

Sometimes, other symptoms may be present and may help your doctor analyse your condition. The symptoms your doctor may ask about (in association with Knee locking) may include:

• Knee catching (feel that something is getting in the way of joint movement but not locking. This is sometimes confused with knee locking)? - suggests subluxing patella, loose bodies, torn meniscus, torn anterior cruciate ligament, avulsed anterior tibial spine, dislocated patella.
• Knee crepitus (knee grating with movement)?
• Symptoms of meniscal tears? - e.g. Often caused when there is history of injury with twisting movement with the foot firmly fixed on the ground. Present with pain over the joint line, locking of the knee, swelling of the knee and pain worse with activity.
• Symptoms of anterior cruciate ligament tear? - e.g. onset of pain after a sporting injury such as landing from a jump or a forced rotational strain of the knee when another player falls across the knee. Results in immediate swelling of the knee due to accumulation of blood in the knee joint. Problems after the injury of knee pain, knee locking and knee "giving way".
• Symptoms of Osteochondritis dissecans? - e.g. person is usually 15-20 years of age and presents with intermittent ache or swelling of the knee. Later, there are attacks of giving way, and locking may occur. It results when a small bony-cartilage fragment separates from the femur bone within the knee joint and then appears as a loose body in the joint.
• more symptoms...»

See Diagnosis Checklist for Knee locking (15 listings)

Stories from Users for Knee locking

Real-life user stories relating to Knee locking:

• Knee Lock's up Anyone else???
• knee popping/locking problems?
• knee locking?
• Stuck With Misdiagnosis???
• Stuck With Misdiagnosis???

Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Knee locking or relevant symptoms:

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  • So many symptoms but no diagnosis...GGRRR
  • More user stories

Videos for Knee locking

See full list of 4 related videos

Patient Surveys for Knee locking

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Organs affected by Knee locking:

The list of organs typically affected by Knee locking may include, but is not limited to:

• Knee

Detailed list of causes of Knee locking

The list below shows some of the causes of Knee locking mentioned in various sources:

• Arthritis - knee locking
• Chondromalacia patella - occasional locking or knee collapse.
• Knee alignment problem
• Knee arthritis
• Knee bone fragment
• Knee cartilage disorder
• Knee cartilage fragment
• more causes...»

See full list of 18 causes of Knee locking

How Common are these Causes of Knee locking?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Knee locking. Of the 18 causes of Knee locking that we have listed, we have the following prevalence/incidence information:

• 2 causes are "very common" diseases
• 0 causes are "common" diseases
• 0 causes are "uncommon" diseases
• 0 causes are "rare" diseases
• 0 causes are "very rare" diseases
• 18 causes have no prevalence information.

See the analysis of the prevalence of 18 causes of Knee locking

Conditions listing symptoms: Knee locking:

The following list of conditions have 'Knee locking' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

A

Arthritis ... knee locking

M

Meniscus injury ... knee locking

O

Osteochondritis Dissecans ... knee locking

P

Plica Syndrome ... knee locking

Join in at the forums

Ask or answer a question about symptoms or diseases at one of our free interactive user forums.

• I cannot get a diagnosis. Please help.
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Medical story forums: If you have a medical story then we want to hear it.

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Doctors and specialists: Who should I consult about Knee locking?

Depending on the seriousness of the onset of Knee locking, you may want to consult one of the following medical professionals.

Important:In extreme cases, always seek advice from emergency services :

• General practitioner
• Emergency physician
• Orthopaedic surgeon
• more specialists...»

Classifications of Knee locking:

Medical Conditions associated with Knee locking:

Stiff knee (21 causes), Knee symptoms (125 causes), Stiffness (629 causes), Leg symptoms (1696 causes), Movement symptoms (2556 causes), Limb symptoms (1215 causes)

Symptoms related to Knee locking:

Stiff knee (21 causes), Knee pain (40 causes), Knee symptoms (125 causes), Knee collapse, Knee cartilage fragment, Knee bone fragment, Knee ligament damage, Knee cartilage disorder, Torn medial meniscus, Osteochondritis dissecans, Knee alignment problem, Kneecap malalignment, Knee pseudo-lock, Knee arthritis

Medical articles on signs and symptoms:

Doctor-patient articles related to symptoms and diagnosis:

• What to tell your doctor about your symptoms
• What questions will the doctor ask about your symptoms (and why)?
• What does your doctor do in a physical examination?
• What questions should you ask the doctor about a symptom or diagnosis?
• What questions to ask the doctor about the treatment
• Steps to take to get the most out of a doctor visit
• More articles on symptoms and diagnosis

These general medical articles may be of interest:

• Medical Symptom Books
• Symptoms of the Silent Killer Diseases
• Online Diagnosis
• Self Diagnosis Pitfalls
• Pitfalls of Online Diagnosis

See full list of premium articles on symptoms and diagnosis

News Archives for Knee locking

Medical news articles related to Knee locking include:

• Health Tip: Keep Bathroom Chemicals Locked Up
• Ignition Locks Prevent Repeat DWI Offenses
• more health news...»

Source: HealthDay News

Evidence Based Medicine Research for Knee locking

Medical research papers related to Knee locking include:

• ChondroCelect - Cartilage defects of the knee
• Pes Anserinus Bursitis (Diagnosis)
• Lower Limb Orthotics (Overview)
• Knee, Anterior Cruciate Ligament Injuries (MRI)
• Autologous chondrocyte implantation (ACI) for the treatment of cartilage injury
• Rehabilitation For Specific Problems - Leg Amputation

Research More Evidence-Based Medicine at TripDatabase.com

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• Causes of Knee locking
• Diagnostic Guides Online for Knee locking
• Misdiagnosis of Knee locking
• KNEE PAIN (Algorithmic Diagnosis of Symptoms and Signs)
• KNEE SWELLING (Algorithmic Diagnosis of Symptoms and Signs)

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