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Table 2 Maximum joint torques (in Nm and Nm/kg) of trunk and shoulder

From: Don’t forget the trunk in Duchenne muscular dystrophy patients: more muscle weakness and compensation than expected

 

Healthy

DMD

p-value HC vs DMD

p-value Brooke scale

n

median

IQR

n

median

IQR

Joint torque [Nm]

 Trunk (flexion)

25

47.5

[24.5–58.2]

17

20.3

[14.8–25.0]

0.001

0.120

 Trunk (extension)

25

43.9

[19.8–78.6]

16

21.4

[14.3–30.8]

0.003

0.673

 Trunk (lateral bending)

25

44.4

[27.5–65.2]

17

23.6

[17.0–33.1]

0.001

0.355

 Shoulder elevation

25

50.0

[30.1–95.8]

17

18.2

[12.6–24.4]

< 0.001

0.244

 Shoulder abduction

25

30.6

[20.0–46.9]

17

11.9

[4.4–14.8]

< 0.001

0.019

Joint torque [Nm/kg]

 Trunk (flexion)

25

0.94

[0.73–1.09]

15

0.43

[0.34–0.52]

< 0.001

0.009

 Trunk (extension)

25

0.81

[0.72–1.25]

14

0.41

[0.31–0.52]

< 0.001

0.585

 Trunk (lateral bending)

25

0.99

[0.88–1.14]

15

0.45

[0.39–0.64]

< 0.001

0.014

 Shoulder elevation

25

1.10

[0.9–1.76]

15

0.34

[0.26–0.56]

< 0.001

0.027

 Shoulder abduction

25

0.69

[0.61–0.8]

15

0.2

[0.08–0.28]

< 0.001

0.012