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The heel is the prominence at the posterior end of the foot. It is based on the projection of one bone, the calcaneus or heel bone, behind the articulation of the bones of the lower leg . Structure
In humans and many other primates, the calcaneus (/ k æ l ˈ k eɪ n i ə s /; from the Latin calcaneus or calcaneum, meaning heel; [1] pl.: calcanei or calcanea) or heel bone is a bone of the tarsus of the foot which constitutes the heel. In some other animals, it is the point of the hock.
The Achilles tendon or heel cord, also known as the calcaneal tendon, is a tendon at the back of the lower leg, and is the thickest in the human body. [1] ...
New Look in 1947 – a slim, elegant heel, newly created by putting steel in the heel. This enabled the heel to be skinny without snapping. [20] Pantaloon – "similar to Pantaloon pants: the top lift part of the heel is spread out as it extends to the bottom part of the heel, and the waistline of the heel curves inward naturally." [1]
The calcaneus is also modified, forming a heel for the attachment of the Achilles tendon. Neither of these adaptations is found in reptiles, which have a relatively simple structure to both bones. [3] The fifth distal tarsal disappears relatively early in evolution, with the remainder becoming the cuneiform and cuboid bones.
High arches can also cause plantar fasciitis as they cause the plantar fascia to be stretched away from the calcaneus or heel bone. Additionally, high or low arches can increase the risk of shin splints as the anterior tibialis must work harder to keep the foot from slapping the ground. [8]
The foot (pl.: feet) is an anatomical structure found in many vertebrates.It is the terminal portion of a limb which bears weight and allows locomotion.In many animals with feet, the foot is a separate [clarification needed] organ at the terminal part of the leg made up of one or more segments or bones, generally including claws and/or nails.
Diagram of the segmental distribution of the cutaneous nerves of the sole of the foot. Nerves of the right lower extremity Posterior view. (medial calcaneal labeled at bottom left.)