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Table 1 Morphological measurement of quadratus femoris muscle (units:cm)

From: A modified surgical method for the treatment of ONFH: quadratus femoris muscle pedicle bone grafting with preservation of the posterior superior retinacular artery

Hips

A

B

C

D

E

1

4.04

4.21

4.89

3.09

4.75

2

3.58

4.07

4.65

3.47

4.65

3

4.11

4.31

5.12

3.5

4.85

4

4.02

4.33

5.08

3.31

4.8

5

3.39

3.64

4.65

3.02

4.85

6

3.4

3.69

4.61

3.48

4.85

7

3.93

4.08

5.09

3.14

4.75

8

3.24

3.55

4.57

2.93

4.7

9

3.61

3.79

4.92

3.04

4.65

10

3.54

3.73

4.98

3.15

4.8

11

3.75

3.94

5.13

3.01

4.7

12

3.98

4.17

5.19

3.51

4.75

Total

3.72 ± 0.30

3.96 ± 0.27

4.91 ± 0.23

3.22 ± 0.22

4.76 ± 0.07

  1. A. The length of the starting and ending point of the inferior edge of the quadratus femoris muscle. B. The nearest distance between the bone groove and the inferior edge of the starting point of the quadratus femoris muscle. C. The length of bone flap. D. The length of chiseled bone pillar. E. The furthest distance between the bone groove and the femoral head