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The fear-avoidance model (or FA model) is a psychiatric model that describes how individuals develop and maintain chronic musculoskeletal pain as a result of attentional processes and avoidant behavior based on pain-related fear.
The behavioral immune system is a phrase coined by the psychological scientist Mark Schaller to refer to a suite of psychological mechanisms that allow individual organisms to detect the potential presence of infectious parasites or pathogens in their immediate environment, and to engage in behaviors that prevent contact with those objects and individuals.
The gross anatomy of a muscle is the most important indicator of its role in the body. One particularly important aspect of gross anatomy of muscles is pennation or lack thereof. In most muscles, all the fibers are oriented in the same direction, running in a line from the origin to the insertion.
Pain tolerance is the maximum level of pain that a person is able to tolerate. Pain tolerance is distinct from pain threshold (the point at which pain begins to be felt). [1] The perception of pain that goes in to pain tolerance has two major components. First is the biological component—the headache or skin prickling that activates pain ...
Epicurus in the ancient world, and later Jeremy Bentham, laid stress upon the role of pleasure in directing human life, the latter stating: "Nature has placed mankind under the governance of two sovereign masters, pain and pleasure". [4] Freud's most immediate predecessor and guide however was Gustav Theodor Fechner and his psychophysics. [5]
' pain receptor ') is a sensory neuron that responds to damaging or potentially damaging stimuli by sending "possible threat" signals [1] [2] [3] to the spinal cord and the brain. The brain creates the sensation of pain to direct attention to the body part, so the threat can be mitigated; this process is called nociception .
Avoidance of contact sports like basketball, football, and or hockey can decrease the risks of coccyx pain, because it can help reduce the chances of falling. Another method is proper safety equipment for sports is to prevent coccyx pain. For example, hockey pants that provide extra cushion to protect the thigh, coccyx, and buttocks are available.
A doctor named John W. Francis examined Poe in May 1848 and believed he had heart disease, which Poe later denied. [38] A 2006 test of a sample of Poe's hair provides evidence against the possibility of lead poisoning, mercury poisoning, and similar toxic heavy-metal exposures. [39] Cholera has also been suggested. [40]