Signs and Symptoms
Knowing the symptoms that can be experienced with a sprain is important in determining that the injury is not really a break in the bone. When a sprain occurs, blood vessels will leak fluid into the tissue that surrounds the joint. White blood cells responsible for inflammation migrate to the area, and blood flow increases as well. Along with this inflammation, swelling from the fluid and pain is experienced. The nerves in the area become more sensitive when the injury is suffered, so pain is felt as throbbing and will worsen if there is pressure placed on the area. Warmth and redness are also seen as blood flow is increased. Also present is a decreased ability to move the joint, and difficulty using the affected leg.
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Right foot, housed in an air brace, has become swollen as a result of a more severe 2nd degree sprain to the ankle.
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Right foot. A light sprain, two days after injury. Patient had trouble walking normally for 2 months.
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Right foot. One day after injury.
Read more about this topic: Sprained Ankle
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—Friedrich Nietzsche (1844–1900)