Sesamoid bones are colloquially called “the ball bearings of the foot.” The sesamoids are two small bones found beneath the first metatarsal bones. The main joint of the big toe forms the inside edge of the ball of the foot. The two small sesamoid bones are located on the underside of this joint. There is one sesamoid bone on each side of the base of the big toe.
You can see in this video how shoving your feet into too-narrow shoes moves them into a bad position! Feet are sure fascinating…
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