The thing that they should do to prevent fatigue and maintain the quality of chest compressions is: <span>Change positions every 2 minutes.
Giving a CPR require someone to stay in one place and doing the same movement over and over again (such as chest compression)
IF we do a CPR more than 2 minute, our body will start to feel fatigue that could decrease the quality of our CPR. If we have 2 persons doing a cpr, changing position every 2 minutes will help maintaining this quality.</span>
This may help, https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwjl6qG1t6HoAhVNCM0KHbRVACMQFjAAegQIAhAB&url=http%3A%2F%2Fwww.cancerindex.org%2Fmedterm%2Fmedtm9.htm&usg=AOvVaw2-cCQKb93PsOEkq6lKV8N- And- https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=2ahUKEwjl6qG1t6HoAhVNCM0KHbRVACMQFjABegQIBBAB&url=https%3A%2F%2Fquizlet.com%2F261523335%2Flymphatic-system-flash-cards%2F&usg=AOvVaw2FHia_mlgFBz9DbqNUD1BG
With your history and the type and location of your injury, it's hard to say.
Diabetes mellitus damages nerves, which can slow down healing. The time for the healing of the laceration would depend on how deep the cut was.
I think the answer would be energy.