Correlation between dimensions of the femoral neck and the acetabulum.

<p>AAVA: acetabular anteversion angle, AABA: acetabular abduction angle, ASD: acetabular suprainferior diameter.</p><p>FAVA: femoral anteversion angle, NSA: neck-shaft angle, FHD: diameter of the femoral head.</p><p>*<i>P</i><0.05.</p

Correlation between dimensions of the femoral neck and femoral sizes.

<p>FAVA: femoral anteversion angle, NSA: neck-shaft angle, FHD: diameter of the femoral head, MLD+20 and APD+20: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at a plane of 20 mm above the lesser trochanter, MLD and APD: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at the midpoint of the lesser trochanter, MLD−20 and APD−20: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at a plane of 20 mm below the lesser trochanter, IID: internal diameter of the isthmus, IED: external diameter of the isthmus, IP: distance from the midpoint of the lesser trochanter to the isthmus.</p><p>*<i>P</i><0.05.</p

Results of measurement of dimensions at different levels of the proximal femur and femoral indices.

<p>FAVA: femoral anteversion angle, NSA: neck-shaft angle, FHD: diameter of the femoral head, Offset: femoral offset, MLD+20 and APD+20: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at a plane of 20 mm above the lesser trochanter, MLD and APD: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at the midpoint of the lesser trochanter, MLD−20 and APD−20: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at a plane of 20 mm below the lesser trochanter, IID: internal diameter of the isthmus, IED: external diameter of the isthmus, IP: distance from the midpoint of the lesser trochanter to the isthmus. CFI: Canal flare index. MCFI: Metaphyseal canal flare index. DCFI: Distal canal flare index.</p><p>*There was significant difference between the male and the female (P<0.05).</p

Correlation between diameters at different levels of the proximal femur with age and height.

<p>MLD+20 and APD+20: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at a plane of 20 mm above the lesser trochanter, MLD and APD: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at the midpoint of the lesser trochanter, MLD−20 and APD−20: medial-lateral diameter and antero-posterior diameter of bone medullary cavity at a plane of 20 mm below the lesser trochanter, IID: internal diameter of the isthmus, IED: external diameter of the isthmus, IP: distance from the midpoint of the lesser trochanter to the isthmus. CFI: Canal flare index. MCFI: Metaphyseal canal flare index.</p><p>*<i>P</i><0.05.</p

Distribution of the CFI of the proximal femur.

<p>Distribution of the CFI of the proximal femur.</p

Results of measurement of the acetabula of healthy adults in South China.

<p>AAVA: acetabular anteversion angle, AABA: acetabular abduction angle, ASD: acetabular suprainferior diameter.</p><p>*There was significant difference between the male and the female (P<0.05).</p