We’ve reached mid-December. With any luck, your local trail system is beginning to fill in, you’ve scraped off your storage wax, and you’ve put in at least a handful of easy days getting reacquainted with your boards. Whether or not you rollerski during the summer, skiing on snow has its own jive and it’s normal to feel a little like Bambi your first few sessions. In my experience as a coach and masters athlete, I...