bce89e31_Ski_Conditioning__Involvement_in_Skiing
[Muscle Group] Quadriceps [Exercise Suggestions] ISOLATED: Leg Extension. COMPOUND: Squats, Leg Press, Lunges, and Step-ups. [Involvement in Skiing] 
The quads are used constantly in downhill skiing isometrically, eccentrically and concentrically. To preserve the integrity of the knee, the quads should be strengthened.
Ski Conditioning
Involvement in Skiing