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Knee locking

Knee locking: Introduction

Knee locking: Inability to either straighten or bend knee. See detailed information below for a list of 18 causes of Knee locking, Symptom Checker, Assessment Questionnaire, including diseases and drug side effect causes.

» Review Causes of Knee locking: Causes | Symptom Checker » | Assessment Questionnaire »

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.

» Review Causes of Knee locking: Causes | Symptom Checker » | Assessment Questionnaire »

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

Symptom Checker

Knee locking Treatments

Some of the possible treatments listed in sources for treatment of Knee locking may include:

Review further information on Knee locking Treatments.

Stories from Users for Knee locking

Real-life user stories relating to Knee locking:

Message Boards for Knee locking

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

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
  • more tests...»

Knee locking: Animations

Knee locking: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Knee locking may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Research the causes of related medical symptoms such as:

Causes of Similar Symptoms to Knee locking

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

Assessment Questionnaire: Questions your doctor may ask (and why!)

During a consultation, your doctor will use various techniques to assess the symptom: Knee locking. These will include a physical examination and possibly diagnostic tests. (Note: A physical exam is always done, diagnostic tests may or may not be performed depending on the suspected condition) Your doctor will ask several questions when assessing your condition. It is important to openly share any pertinent information to help your doctor make an accurate diagnosis.

It is also very important to bring an up-to-date list of all of your all medical conditions, medications including dosages, and names of numbers of any specialist you see.

Create your printable checklist here.

See Knee locking Assessment Questionnaire (15 listings)

Misdiagnosis and Knee locking

Leg cramps at night a classic sign: The symptom of having leg muscle cramps, particularly at night, is a classic sign of undiagnosed more »

Knee locking: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Organs affected by Knee locking:

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

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...»

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.

Conditions listing medical 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.

Select from the following alphabetical view of conditions which include a symptom of Knee locking or choose View All.





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

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 :

Classifications of Knee locking:

Medical Conditions associated with Knee locking:

Stiff knee (21 causes), Knee symptoms (149 causes), Stiffness (692 causes), Leg symptoms (2751 causes), Limb symptoms (3592 causes), Joint symptoms (1430 causes), Bone symptoms (2907 causes), Skeletal symptoms (4109 causes), Musculoskeletal symptoms (6264 causes), Movement symptoms (6001 causes), Brain symptoms (2787 causes), Neurological symptoms (9575 causes), Muscle symptoms (7251 causes), Nerve symptoms (9132 causes), Arm symptoms (1619 causes), Head symptoms (10192 causes)

Symptoms related to Knee locking:

Stiff knee (21 causes), Knee pain (122 causes), Knee symptoms (149 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

Medical articles on signs and symptoms:

Doctor-patient articles related to symptoms and diagnosis:

These general medical articles may be of interest:

Evidence Based Medicine Research for Knee locking

Medical research papers related to Knee locking include:

Research More Evidence-Based Medicine at

More Ways To Research Medical Signs and Symptoms:


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