A Brief Knowledge About the Heal Bone and the Heal Bone Density

The heel bone or the calcaneus can be defined as the bone of the tarsus of the foot that constitutes the heel. The heal bone is the largest of the bones among all the tarsal bones. The heal bone consists of several structures that can be identified as tuber calcanei, abductor hallucis, the Achilles tendon, the cuboid bone, the cuboid bone, and the talus bone. The heel bone is one of the most important bones in the entire human body as on many occasions the entire weight of the body rests on the heel bone.

The term bone density refers to the amount of matter per square cm of the bones. The procedure that is used to measure the bone density is called the densitometry. This procedure is completely non-invasive, painless, and involves a minimum amount of radiation exposure. The lumbar spine and the upper part of the hip are measured in order to calculate the bone density of the individual. In case it is not possible, then the forearm is scanned. It has been estimated that the average bone density of human beings is 1500 kg m-3   

The bone density remains the same through out the body including the heel bone density. There are several different types of tests that are done in order to measure the heel bone density or the bone density of any other part of the body.

These tests are:

  1. Dual energy X-ray Absorptiometry (DXA or DEXA)
  2. Quantitative computed tomography (QCT)
  3. Dual photon Absorptiometry (DPA)
  4. Digital X-ray Radiogrammetry (DXR)
  5. Single energy X-ray
  6. Qualitative ultrasound (QUS)
  7. Single photon Absorptiometry (SPA)

All of these tests are non-invasive in nature. The DEXA is the most commonly used tests in determining the heal bone density of the individual.


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