Replying to Getting ready for the season - workout & prep

I know there's threads on this before, but I'm just looking for some helpful workout tips to get my legs in shape for the season. Obviously, core and leg strength are crucial for skiing, so what does everyone do to get ready for the season?

Right now, I do 75 crunches, 1:30 minute plank, 75 crunches, 1:15 plank, 100 side crunches, 1:00 plank. Is there anything else I should look to target? Maybe try side planks?

As far as leg workouts, I haven't done much lately because my knee has been bothering me. I plan on doing leg presses, calf raises, quad extensions, and lunges - any thing else?

As I mentioned, my knee has been bothering me for the past year and a half or so. In that time, I've skied, played soccer, ran and done other activities, but I think its getting worse. I get a sharp pain in the front area of my knee, just to the right of my knee cap. I plan on seeing a doc sometime soon, but I just want to know if anybody has had any experience with this? I'm hoping its just a slight tear at the most.