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the physiological responses common to most sports injuries

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the physiological responses common to most sports injuries
Damaged Tissue
The body will respond to an exercise stress in one of three ways and there may be primary and secondary damage to the tissues as a result of exercise stress. The three responses the body will take to an exercise stress are, the tissues may adapt to the stress and no damage occurs, the tissues may become injured, or the tissues will die. In athletics, athletes often stress their bodies to the point of tissue injury and tissue death. The body’s primary reaction to an injury is tissue destruction. The degree of tissue destruction will greatly depend on the injurious force. Secondary damage may occur from cell death. Cell death occurs because of the hypoxia associated with the injured area. The damage done in the primary stage is irreversible; however with a good rehabilitation program the secondary damage can be contained and limited. When the body is injured a sequence of events is initiated that leads to the eventual repair of the injury site. The first stage in this process is inflammation which is followed by tissue healing and repair. The inflammatory response is the body's natural response that immediately occurs following tissue damage. Its main functions are to defend the body against harmful substances, dispose of dead or dying tissue and to promote the renewal of normal tissue. The inflammatory reaction is normally characterized by five distinct signs, each of which is due to a physiological response to tissue injury;
 Pain (due to chemicals released by damaged cells).
 Swelling (due to a build up of fluid into the damaged region).
 Redness (due to vasodilatation- the widening of blood vessels and bleeding in the joint or structure).
 Heat (due to an increase in blood flow to the area).
 Loss of function (due to increased swelling and pain).
An example of an injury that involves inflammation would be a head injury. If tow rugby players bang heads, they usual collide at such a force where both participants feel pain of the head and

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