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Table 2 Step width and length, foot progression angle (FPA) and peak joint moments in sagittal and frontal plane.

From: Gait pattern in 9-11-year-old children with generalized joint hypermobility compared with controls; a cross-sectional study

 

NGJH n = 18

GJH n = 19

p-value

 

Mean (SD)

Mean (SD)

 

Step width (max) (m)

0.13 (0.01)

0.12 (0.01)

p < 0.001

Step length (m)

0.61 (0.02)

0.62 (0.04)

p = 0.886

Right FPA (degrees)

8.6 (4.1)

8.1 (5.9)

p = 0.531

Left FPA (degrees)

−9.7 (5.6)

−8.4 (6.8)

p = 0.652

Peak joint moments:

   

Sagittal plane

   

Ankle (sA1) ( Nm/(kg*m)*100)

7.3 (3.0)

9.4 (5.3)

p = 0.182

Ankle (sA2) ( Nm/(kg*m)*100)

−83.4 (8.3)

−82.9 (14.1)

p = 0.029

Knee (sK1) ( Nm/(kg*m)*100)

−19.6 (7.9)

−17.2 (8.0)

p = 0.050

Knee (sK2) ( Nm/(kg*m)*100)

30.4 (11.8)

30.4 (13.6)

p = 0.781

Knee (sK3) ( Nm/(kg*m)*100)

−6.7 (13.1)

−0.8 (8.9)

p = 0.005

Knee (sK4) ( Nm/(kg*m)*100)

44.3 (11.1)

44.8 (15.6)

p = 0.851

Hip (sH1) ( Nm/(kg*m)*100)

−64.7 (14.6)

−57.8 (10.7)

p = 0.006

Hip (sH2) ( Nm/(kg*m)*100)

86.3 (15.7)

92.8 (21.8)

p = 0.460

Frontal plane

   

Knee (fK1) ( Nm/(kg*m)*100)

28.2 (9.4)

25.1 (8.8)

p = 0.073

Knee (fK2) ( Nm/(kg*m)*100)

29.2 (9.3)

23.1 (8.3)

p = 0.003

Hip (fH1) ( Nm/(kg*m)*100)

48.4 (8.7)

46.5 (6.9)

p = 0.007

Hip (fH2) ( Nm/(kg*m)*100)

48.5 (10.6)

45.2 (8.3)

p = 0.017

  1. Mean (SD) of step length, width, and foot progression angle (FPA) are shown. Further, mean (SD) of normalized ( Nm/(kg*m)*100) internal peak joint moments for right/hypermobile leg during stance phase, for NGJH (Non-Generalized Joint Hypermobility) and GJH (Generalized Joint Hypermobility) children, with p-values for effect of status. In sagittal plane positive/negative values designate dorsal-/plantar flexion in the ankle, extension/flexion in the knee and flexion/extension in the hip. In frontal plane positive/negative values designate abduction/adduction for both knee and hip. Significant differences (p-values <0.05) are marked in bold.
  2. s = sagittal plane, f = frontal plane; A = ankle, K = knee, H = hip; 1,2,3,4 = peak number