Muscle strain and soreness is more likely if you rest regularly lift weights often exercise infrequently stretch routinely i think it's a. rest regularly

Muscle strain and soreness is more likely if you EXERCISE INFREQUENTLY.

The rest are things that will prevent muscle strain and soreness.

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.