Writing is a necessary part of your career. Whether your goal is to become a successful textbook author, gain tenure at your university, or publish various other types of scholarly works, you will have to make writing a large part of your life. Just as anyone who lifts weights, runs, or bikes knows, the proper form and equipment are necessary to avoid injury and stay on track with their training. These same principles are true for writers. To stay at peak performance level, that is to say, to stay writing (and comfortably) it is imperative that you have the proper ergonomics.
My joyful livelihood for three decades has been as a coach and editor for doctoral candidates in all aspects of their dissertations. So I warn you now—I am partisan. That said, here I’ll describe the (best) duties and functions of a coach, with the basic distinctions too about editing.