Standard Precautions should ALWAYS be used when working with a patient, when some sort of contact with the patient is being done. If examination and skin-to-skin contact happens you should always wear gloves at the minimum.
I think heat. I could be wrong tho
i don't really like it because i now have to do school from home which isn't really that effective.
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I would quickly find some bandage and apply pressure to the wounded knee. I would then keep the player at the correct angle to stop the bleeding for a short time period and then call 911.
Sorry if this isn't correct, I'm a ninth grader and just thought of this.
Explanation: