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  2. Spatial disorientation - Wikipedia

    en.wikipedia.org/wiki/Spatial_disorientation

    Spatial disorientation can also affect instrument-rated pilots in certain conditions. A powerful tumbling sensation can result if the pilot moves his or her head too much during instrument flight. This is called the Coriolis illusion. Because the semicircular canals are set in three different axes of rotation, if the aviator suddenly moves ...

  3. Claudication - Wikipedia

    en.wikipedia.org/wiki/Claudication

    Claudication is most common in the calves but it can also affect the feet, thighs, hips, buttocks, or arms. [2] The word claudication comes from Latin claudicare 'to limp'. Claudication that appears after a short amount of walking may sometimes be described by US medical professionals by the number of typical city street blocks that the patient ...

  4. Intermittent claudication - Wikipedia

    en.wikipedia.org/wiki/Intermittent_claudication

    Intermittent claudication is a symptom and is by definition diagnosed by a patient reporting a history of leg pain with walking relieved by rest. However, as other conditions such as sciatica can mimic intermittent claudication, testing is often performed to confirm the diagnosis of peripheral artery disease .

  5. Paresthesia - Wikipedia

    en.wikipedia.org/wiki/Paresthesia

    Paresthesias are usually painless and can occur anywhere on the body, but most commonly occur in the arms and legs. [1] The most familiar kind of paresthesia is the sensation known as "pins and needles" after having a limb "fall asleep". A less well-known and uncommon paresthesia is formication, the sensation of insects crawling on the skin.

  6. Femoropopliteal bypass - Wikipedia

    en.wikipedia.org/wiki/Femoropopliteal_bypass

    Severe pain caused by claudication can lead to a person having very restricted ability to move, and pain while resting is often a sign that the condition has worsened. Claudication is also considered a symptom of peripheral artery disease. [9] Popliteal bypass surgery may be performed on people with the following symptoms and conditions: [10]

  7. Peripheral artery disease - Wikipedia

    en.wikipedia.org/wiki/Peripheral_artery_disease

    Cilostazol can improve symptoms in some people. [23] Pentoxifylline is of unclear benefit. [76] Cilostazol may improve walking distance for people who experience claudication due to peripheral artery disease, but no strong evidence suggests that it improves the quality of life, decreases mortality, or decreases the risk of cardiovascular events ...

  8. Radial neuropathy - Wikipedia

    en.wikipedia.org/wiki/Radial_neuropathy

    Radial neuropathy is a type of mononeuropathy which results from acute trauma to the radial nerve that extends the length of the arm. [3] It is known as transient paresthesia when sensation is temporarily abnormal.

  9. Sensory illusions in aviation - Wikipedia

    en.wikipedia.org/wiki/Sensory_illusions_in_aviation

    A black-hole approach illusion can happen during a final approach at night (with no stars or moonlight) over water or unlit terrain to a lighted runway, in which the horizon is not visible. [4] As the name suggests, it involves an approach to landing during the night where there is nothing to see between the aircraft and the intended runway ...