Which of the following is not a common cause for exercise-related injury?

Knee pain is one of the common. Patella tendinitis is the one that is commonly seen.

Explanation:

being active in an unsafe environment

Explanation:

a p e x :))

answer; i believe the correct answer is (secondary prevention);

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.