Secrets Of Organ Playing Podcast

This question was sent by Jonathan and he writes: “Reaching a third with left foot when above middle C. Here's an example. In the "10 Day Pedal Playing Challenge" in exercise No 3, the left foot needs to stretch for thirds a number of times in the area above middle C. I can barely reach middle C to the E above; this is with toe on middle C and heel on E above. Any higher combinations (and the exercise wants me to use my left foot as high as F above middle C reaching to A) is impossible for me. I've made sure I've been pivoting to the right. I've tried lowering and raising the bench. I've moved the bench closer and farther away. I've been working on ankle flexibility for the two years I've been studying organ. Perhaps some of us just aren't built that way. (My left leg is shorter than the right. And my upper legs are long and lower legs are short, compared to the average person's build.) Is it okay to reverse the parts of the left foot used - to begin with the heel and end with the toe, when ascending, if