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Table 3 The von Mises stress of the acetabulum before and after the operation under different loads

From: Evaluation of the short-term curative effect of closed reduction in the treatment of developmental dysplasia of the hip based on three-dimensional magnetic resonance imaging finite element analysis

von Mises

Single-leg standing (MPa)

 

2-leg standing (MPa)

preoperative

postoperative

t

p

preoperative

postoperative

t

p

1 × body weight

0.95 ± 0.18

0.54 ± 0.10

20.667

 < 0.01

0.68 ± 0.13

0.42 ± 0.08

20.817

 < 0.01

2 × body weight

1.83 ± 0.34

1.07 ± 0.20

20.978

 < 0.01

1.50 ± 0.28

0.91 ± 0.17

20.786

 < 0.01

3 × body weight

2.71 ± 0.51

1.60 ± 0.30

20.544

 < 0.01

2.17 ± 0.41

1.30 ± 0.24

20.533

 < 0.01

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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