What is the most common site for joint injuries due to aerobic exercise?

The answer is ankle. This is because aerobic exercises- such as jogging, biking- involve endurance training of the large muscles especially of the muscles below the waist. Due to the prolonged time of exercise, the ankle is prone to injury such as sprain and strains. Inward twist of the ankle is the most common and sometimes can be prevented by using compression garments on the ankle.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

the answer would be   10%