Group team sport is working together, while individual team sport is working independently. An example of group is baseball, and individual is golf
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.
This first one is both i think
merry early christmas xx
