So, here in Wisconsin, the lakes are getting colder, and school has begun. This makes me think of the offseason. I am 15, tall and lengthy and in need of some ways to improve my body during the offseason. I see all of the pros are super ripped. I know the core and arms are some of the main components to a strong skiing body. Are there any exercises/parts of the body I should be focusing on to help me get in shape? I work out 3 days a week. Would it help to go for a jog everyday to improve my endurance? Any ideas, greatly appreciated.