Skiing, snowshoeing,  snowboarding, snowball fights, ice skating, shoveling, ice climbing, mountaineering and whatever those fools are doing in the picture above are all dangerous and yet fun activities for winter.  Too many people don’t satisfactorily prepare for these activities and consequently sustain an injury.  A properly working and stable core is vital for success in these endeavors.  In fact, anti-rotational and anti-flexion sports specific exercises will inoculate y