Footwear corresponding to physiology

Footwear comprising a unitary shell enveloping the foot, having a heel collar and an incision therein adopted to accommodate a foot inserted therein, said shell including elastic interconnections between points therein at locations adjacent the following anatomical features on the medial side of the shoe:

• (1) beginning above the base of first metatarsal and corresponding to the extensor longus hallucis;
• (2) to the side of the most anterior, inferior aspect of the medial side of the extensor retinaculum;
• (3) to the location of attachments of the tibialis anticus;
• (4) to the attachments of the tibialis posticus;
• (5) to the medial side and anterior portion of the calcaneus and corresponding to the flexor retinaculum;
• (6) to the medial inferior attachment of achilles tendon;
• (7) to the medial and lateral superior aspects of the calcaneus and the planaris;
• and
• (8) to the medial and lateral aspects corresponding to where the soleus attaches to the achilles tendon.
• and at locations adjacent the following anatomical features on the lateral side of the shoe:
• (1) beginning above the base of the 4th metatarsal and corresponding to the extensor longus digitiorim;
• (2) to the side of the peroneus tertius and corresponding to the lateral side of the extensor retinaculm;
• (3) to the side of the attachment of the peroneous brevis;
• (4) to below the lateral malleolus and corresponding to the abductor minimui digiti and peroneus longus;
• (5) to the lateral and anterior part of calcaneus and corresponding to the peroneal retinaculum;
• (6) to the lateral inferior attachment of achilles tendon;
• (7) to the medial and lateral superior aspects of the calcaneus and the plantaris;
• and
• (8) to the medial and lateral aspects corresponding to where the soleus attaches to the achilles tendon.