正座および蹲踞の影響によると思われる日本人膝関節軟骨の磨耗について

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書誌事項

タイトル別名
  • Attrition Lesions of Articular Cartilage in Japanese Knee Joint due to Formal Sitting and Squatting Postures
  • セイザ オヨビ ソンキョ ノ エイキョウ ニヨル ト オモワレル ニホンジン

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説明

As well known, Japanese habitually adopt formal sitting and squatting postures, the extreme flexion of the knees allowing of this. The influence exercised by pressure and posture are, therefore, found at the knee joints in Japanese. The attrition lesions of articular cartilage due to the postures in question are present on the supero-posterior surfaces of the lateral and medial femoral condyles as well as in the posterior one-third of the meniscuscovered segment on the lateral tibial condyle. The sites involved are functionally explained in relation to the mechanism of the joint. The attrition lesions are more frequent in females than in males. The decreased frequencies of the lesions in males are attributed to their postural habit of tending to adopt sartorial position. The attrition lesions include roughening, ulceration and destruction of articular cartilage. The onset is over thirty years of age, and the lesions are in order of increasing frequency with advancing age. It is suggested that the attrition lesions of articular cartilage sometimes bring the knee joint to osteo-arthritis.

収録刊行物

  • 人類學雜誌

    人類學雜誌 90 (Supplement), 163-176, 1982

    一般社団法人　日本人類学会

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