I am so with you on the leg fatigue. I am not that in shape and I was in pain for 3 days. Friday was my recovery, and I switched my days off so today I go to the Pure Cardio. That recovery was hard. I went from crazy calf pain to thigh pain. It is just moving up my body HAHAHA. I finally don't hurt today. ( a little slow doing stairs though) But I am sure after pure cardio I will be right back where I started. I love the feeling after wards.