Sport injuries physiological resposes (muscle strain)

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Sport injuries physiological resposes (muscle strain)

  1. 1. Sport Injuries Physiological Responses Muscle Strain
  2. 2. Aims Understand the common physiological responses to injuries <ul><li>Objectives </li></ul><ul><li>All students will be able to list some (all) of </li></ul><ul><li>the physiological responses to a muscle </li></ul><ul><li>strain </li></ul><ul><li>Some students will be able to explain the </li></ul><ul><li>physiological responses to a muscle strain </li></ul>
  3. 3. Introduction Physiological responses to injury <ul><li>“ An adjustment within cells, or tissues, in response to an environmental stimulus resulting in an improved ability to cope with the changing environment” </li></ul>
  4. 4. Muscle fibres
  5. 5. Grade 1 strain
  6. 6. Grade 2 strain
  7. 7. Grade 3 strain
  8. 8. Group Task <ul><li>In small groups reflect and identify the physiological responses as a result of a grade 3 muscle strain </li></ul><ul><li>Think how does the body adapt and cope with the trauma </li></ul>
  9. 9. Construction of blood
  10. 10. Primary phase of healing Blood Clotting Vessel constricts Platelets activate Internal bleeding Bleeding stops Fibrin clot to vessel surface
  11. 12. Activated platelets among a red blood cell
  12. 13. Healing process <ul><li>Absorption of swelling </li></ul><ul><li>Removal of dead tissue </li></ul><ul><li>Growth of new blood capillaries </li></ul><ul><li>Development of fibrous tissue (scar tissue) </li></ul>
  13. 14. Individual task <ul><li>Complete the table in your own words describing the physiological responses to a grade 3 muscle strain </li></ul>
  14. 15. Summary <ul><li>Primary responses: </li></ul><ul><li>Bleeding </li></ul><ul><li>Platelets activated </li></ul><ul><li>Fibrin released </li></ul><ul><li>Healing process: </li></ul><ul><li>Reduce swelling </li></ul><ul><li>Growth of capillaries </li></ul><ul><li>Scar tissue </li></ul>

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