Table 2 Changes in meniscal extrusion during various positions (mm, 95% CI, p value)

Supine

0.5

(0.2–0.7)^

− 0.05

(− 0.27–0.38)

0.10

(− 0.38–0.18)

− 0.40

(0.05–0.72)

− 0.05

(− 0.27–0.36)

Standing

0.5

(0.2–0.8)*

0.4

(0.11–0.65)*

0.9

(0.53–1.21)*

0.53

(0.20–0.90)*

5° flexion IR

0.16

(− 0.16–0.48)

0.33

(0.01–0.65)*

0.01

(− 0.40–0.38)

5° flexion ER

0.49

(0.19–0.78)*

− 0.15

(− 0.43–0.13)

20° flexion IR

0.34

(0.04–0.63)^

20° flexion ER