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The Salming Rule of Five

Posted on May 24 2017

The Salming Rule of 5

In our holistic view on running – Full Body Running with its hub and five spokes is the foundation when we build running shoes. The design and construction of our shoes can be derived from the natural running technique and the biomechanical laws that govern how the human movement when running, this is the last piece in the jigsaw-puzzle to make the "Salming Running wheel" roll as frictionless and balanced as possible.

Natural running shoes should be designed to facilitate for you to find the right running technique/form. At Salming, we apply what we call the "Rule of 5"

#1 LIGHT Improves running efficiency with approximately 2-3% per 100 g reduction in shoe weight. Lightweight shoes will cut minutes away from your PB on a half marathon.

#2 FLEXIBLE: Flexibility should imitate the foot flexibility in order to facilitate a natural running technique. You will improve training of biological structures with a flexible forefoot shoe design.

#3 FLAT: Low Heel to Toe Drop facilitates correct foot landing at the ball of the foot. In addition you become more naturally balanced with gravity without adjusting body position. The arch area of the shoe should not be pushed up too much as it prevents the arch’s natural cushioning and spring function.

#4 THIN: Improves sensory feedback from feet to brain. The foot automatically senses information from the ground contact with each and every step. With this data, your brain responds accordingly. If the midsole is too thick the sensory feedback gets distorted – it would be equivalent to put ski gloves on the hands when typing on a keyboard.

#5 COMFORTABLE ANATOMIC FIT:  A relatively roomy toe box is preferable so the toes are not pinched together. A tight toe box will deform the foot over time and lead to all sorts of problems. We want the foot to be able to function exactly as nature intended it too.