Why are bones in the foot normally set in an arch? What is a flat-foot?
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The arches of the foot, formed by the tarsal and metatarsal bones, strengthened by ligaments and tendons, allow the foot to support the weight of the body in the erect posture with the least weight.
A condition in which the entire sole of the foot touches the floor when standing.
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Explanation:
The height of the person' s arch is determined by the height of the naviculor bone that's s why bones are set in an arc.
Collapse of the longitudanal arches in what is known as flat- foot.
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