If you must leave an injured or ill athlete unattended to get additional , and you do not suspect an injury to the head, neck or back, then you should:

If you must leave an injured or ill athlete unattended to get additional help, and you do not suspect an injury to the head, neck or back, then you should ask not to move while going for help, either by calling 911 or looking for someelse to help, once contacted help return immediately with the injured person and check that no threat has appeared to his life and provide care while the help gets there.

If you need to leave an ill or injured athlete alone to get more help and you assess that he has suffered no injury to his head, neck or back, you can let him rest in a position that is comfortable for him and then call 911.