When we use an extension ladder, and start to descend, we step down from an upper extended section from two rungs to a single rung on lower section of ladder,the single rung is obviously not in line with the two rungs above.agreed ?
so the foot has to move forward to connect to that single rung, otherwise only the front of foot lands fully on that rung. Question: How many users have had an uncomfortable moment at that transition point ? ?