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AN ANATOMICAL STUDY OF CALCAR FEMORALE AND ITS CLINICAL SIGNIFICANCE

戴尅戎, 苑建新, 孙月华, 王振宇

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Abstract

Calcar femorale, the integral part of upper femur, is studied with femur bonespecimens from human, monkey and bovine species and in conjunction with roentgenographyand scanning tomography of the human upper femur. The calcar femorale can be classfiedmorphologically into three types. On the average, the calcar femorale extends proximallyfrom 1.46±0.52 cm above the lesser trochanter to distally 0.42±0.60 cm below the distalmargin of the lesser trochanter. In 80% of the femurs, the widest and thickest part ofthe calcar is near the proximal margin of the lesser trochanter. The values of 5parameters of human calcar are provided. The development of calcar femorale amongChinese is fully accomplished at the age of 7-11. Bovine and monkey also has calcar butthe direction of its transverse axis is statistically different from that of the humans.

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What this paper is about

Calcar femorale, the integral part of upper femur, is studied with femur bonespecimens from human, monkey and bovine species and in conjunction with roentgenographyand scanning tomography of the human upper femur. The calcar femorale can be classfiedmorphologically into three types. On the average, the calcar femorale extends proximallyfrom 1.46±0.52 cm above the lesser trochanter to distally 0.42±0.60 cm below the distalmargin of the lesser trochanter. In 80% of the femurs, the widest and thickest part ofthe calcar is near the proximal margin of the lesser trochanter. The values of 5parameters of human calcar are provided. The development of calcar femorale amongChinese is fully accomplished at the age of 7-11. Bovine and monkey also has calcar butthe direction of its transverse axis is statistically different from that of the humans.

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Available abstract

Calcar femorale, the integral part of upper femur, is studied with femur bonespecimens from human, monkey and bovine species and in conjunction with roentgenographyand scanning tomography of the human upper femur. The calcar femorale can be classfiedmorphologically into three types. On the average, the calcar femorale extends proximallyfrom 1.46±0.52 cm above the lesser trochanter to distally 0.42±0.60 cm below the distalmargin of the lesser trochanter. In 80% of the femurs, the widest and thickest part ofthe calcar is near the proximal margin of the lesser trochanter. The values of 5parameters of human calcar are provided. The development of calcar femorale amongChinese is fully accomplished at the age of 7-11. Bovine and monkey also has calcar butthe direction of its transverse axis is statistically different from that of the humans.

Key concepts: Calcar, Lesser Trochanter, Femur, Greater trochanter, Trochanter, Anatomy, Geology, Femoral neck

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