You should also avoid going above a 7% incline, because it places too much strain on your back, hips and ankles.

Moreover, even though humans have been upright for millions of years, our feet and back continue to struggle with bipedal posture and cannot easily withstand repeated strain imposed by oversize limbs.

The trout-removal service is funded by the rod license, so anglers should pat themselves on the back for saving this last remaining indigenous strain.