A High-Performance Science Approach to Wall Sit Endurance Developed by Sensei Liam Musiak --- Introduction: The Wall Sit Is Misunderstood The wall sit is often presented as a simple leg endurance exercise — a test of quadriceps strength or willpower. This interpretation is incomplete. A properly executed wall sit is one of the most intense examples of sustained isometric occlusion stress in bodyweight training. Unlike dynamic movements where circulation cycles between contrac