Several years ago, I went on a kayaking trip in the canyon country of Utah and Arizona. Our kayaks were loaded down with camping gear, food, and far more stuff than we would ever need for a week in the wild. Fully loaded, my kayak rode a little low in the water, so when I was paddling, I was constantly sitting in about three inches of water. About half way through the trip, a muscle in my butt seized up so badly that I . . . ? read more..