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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 ...
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 ...
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 ...
You've probably heard the saying, "no pain, no gain." Some muscle soreness is normal after exercise and typically goes away on its own in a few days. However, the experts would never ignore or ...
Of course, if you're feeling sick, it’s a good idea to test yourself so you can know the full picture of what you’re dealing with, says Thomas Russo, MD, a professor and chief of infectious ...
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 .
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.
Yes, chickens can fly but not for long distances. Unlike other birds, chickens are not bred to fly. Most domesticated chickens are bred for food, not flight, according to BBC Wildlife Magazine.