SUMMARY of TISSUE HEALING Sports Science

AIM To be able to describe and understand the physiological responses common to most sports injuries To be able to complete all worksheets and present a story book with diagrams to help display the above.

CROSS SECTION OF A BLOOD VESSEL

STUDENT TASK 1 Using the diagram displayed, identify the different types of cells within the plasma. Draw your own diagram and write a brief description of each cell along with its function

INFLAMMATION Attempts to stabilize site how? Which ones? What is the function of each?

REPAIR What replaces neutrophils? What happens once the site is cleared? What is responsible for this new growth?

How long does this process last and what is it dependent upon? What are the signs of Inflammation?

REMODELLING What cellular changes are there? What visible changes are there? Influence of Collagen?

What enzyme prevents over production of collagen? What is the main aim in this part of the healing cycle?

STUDENT TASK 2 Complete a flow chart showing in order the events that occur during the healing process Complete the worksheet given and use this to help where required Video of events https://www.youtube.com/watch?v=HFNWGCx_Eu4

ADDITTIONAL NOTES HISTAMINE – released vasodilatation occurs. THROMBIN – enzyme that acts on Fibrinogen FIBRINOGEN - a protein that converts to fibrin. FIBRIN – insoluble protein made from thrombin and fibrinogen FIBRINOLSIN – enzyme that can convert fibrin from in-soluble to soluble protein