Age-related changes of bone mineral density in human calcaneus, talus, and scaphoid bone |
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Authors: | Mamoru Morimoto Masako Utsumi Yoshiyuki Tohno Setsuko Tohno Yumi Moriwake Kazuya Sugimoto Motohisa Yamada Kazuhiko Furuta Yasuo Takano Yoshinori Takakura |
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Institution: | (1) Department of Orthopedic Surgery, Nara Medical University, Kashihara, 634-8521 Nara, Japan;(2) Laboratory of Cell Biology, Department of Anatomy, Nara Medical University, Kashihara, 634-8521 Nara, Japan;(3) Department of Anatomy, Kochi Medical School, Nangoku, 783-8505 Kochi, Japan |
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Abstract: | To examine whether the bone mineral density (BMD) decreases uniformly with aging in any spongy bones, the authors investigated
age-related changes of BMD in the calcaneus, talus, and scaphoid bone. After the ordinary dissection by medical students was
finished, calcanei, tali, and scaphoid bones were resected from the subjects, and BMDs were measured by dual-energy X-ray
absorptiometry. Their BMDs seemed to decrease gradually with aging in the calcanei, tali, and scaphoid bones. It was found
that there were statistically significant relationships between age and BMD in the men’s and women’s scaphoid bones, women’s
tali, and women’s calcanei, but not in the men’s tali and calcanei. It should be noted that there were significant relationships
between age and BMD in both men’s and women’s scaphoid bones. In regard to relationship in BMD between the bones of the upper
and lower limbs in individuals, it was found that the relationship between the calcaneus and talus was higher than that between
the calcaneus and scaphoid bone. This suggests that there is a higher relationship in BMD between the two tarsal bones compared
with that between the tarsal and carpal bones. |
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Keywords: | Calcaneus talus scaphoid bone bone mineral density aging |
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