Dangerous conditions influencing sport injuries include all answers which you've mentioned (overuse, overexertion, and incorrect technique). It doesn't, however, include practicing and drills - d.
Practicing and drills is the thing which would help us become more profficient at a certain task and eventually sport through it.
<h2>D) Practicing and drills</h2><h2 /><h3>Explanation:</h3><h3 />
As an instructional policy, drill & practice is well-known to all teachers. It applies to small jobs such as the memorization of grammar or dictionary words, or the practicing of mathematics data and may also be found in more complicated learning jobs or physical training games and sports.
This is a research design that is used to measure the same variables repeatedly on the same sample or subject over a given time frame or over different time periods and/or under various conditions.