Once you're here for a while you'll understand.
There are so many new members who come here and post questions they could easily be found in a two second Google search.
Now given, this is a place for learning and asking questions but, a lot of the time there has been no effort by the questioner to do any research on their own. It's what members refer to as soon feeding info and they don't like to do that since many here have put in a lot of time in their own figuring things out.
Be as specific as possible when you ask a question and that will cut down on the smart ass answers.
And to your question, no. Not many use a typical syringe to administer gh. A half inch insulin pin can get into a muscle in most people unless you're a fat slob. Usually, delts, biceps, triceps, upper chest, Traps.