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Table 4 Grip and muscle strength before, after training and at follow-up

From: Muscle strength, physical fitness and well-being in children and adolescents with juvenile idiopathic arthritis and the effect of an exercise programme: a randomized controlled trial

 

Exercise group n=26

Control group n=19

Before

3 months

6 months

Before

3 months

6 months

Grip strength

Right

157.9 (73.0)

173.4 (76.1)

174.4 (68.5)

197.1 (66.1)

208.8 (75.1)

216.9 (72.5)

 

Left

150.5 (74.1)

149.1 (62.4)

155.1 (62.5)

185.4 (60.2)

185.1 (71.8)

194.0 (72.8)

Muscle group

       

Shoulder abd

Right

21.8 (10.3)

23.3 (10.9)

24.0 (11.8)

26.5 (10.9)

25.5 (8.8)

30.2 (8.6) †

 

Left

21.9 (10.2)

24.0 (11.3) *

23.9 (11.1)

25.0 (8.7)

25.5 (7.7)

27.0 (7.7)

Elbow ext

Right

21.6 (12.7)

21.9 (9.3)

23.4 (9.8)

26.0 (11.5)

25.4 (10.6)

26.7 (9.7)

 

Left

21.1 (9.0)

22.2 (8.8)

23.0 (8.0)

24.9 (8.0)

25.8 (8.5)

26.3 (8.8)

Elbow flex

Right

22.2 (12.9)

24.8 (10.8)

26.5 (12.6) *

31.0 (14.1)

31.8 (12.0)

33.7 (13.2)

 

Left

21.1 (11.6)

23.5 (10.9)

24.6 (10.9) *

30.0 (10.9)

31.5 (12.2)

31.1 (10.8)

Hip ext

Right

47.5 (21.4)

54.3 (22.4) *

49.1 (19.6)

66.7 (24.4)

64.0 (27.3)

60.7 (25.1)

 

Left

47.3 (19.3)

56.1 (22.5) *

53.3 (20.4)

64.1 (20.1)

64.9 (25.0)

61.7 (22.9)

Hip flex

Right

53.5 (20.7)

56.0 (21.7)

54.1 (21.9)

68.8 (25.5)

64.3 (22.4)

66.2 (21.6)

 

Left

49.9 (17.9)

53.9 (19.4)

52.4 (20.1)

62.0 (21.4)

60.8 (17.0)

63.4 (18.9)

Hip abd

Right

26.5 (13.6)

28.9 (15.1)

29.6 (10.6)

40.6 (18.3)

40.2 (15.5)

33.3 (9.7)

 

Left

24.6 (12.3)

30.7 (15.3) *

32.9 (14.1) *

35.9 (12.3)

37.0 (14.1)

38.0 (12.8)

Knee ext

Right

57.3 (21.5)

65.8 (22.3) *

67.5 (22.3) *

79.3 (19.2)

78.7 (21.9)

77.1 (20.9)

 

Left

55.8 (22.8)

61.7 (18.0) *

65.9 (26.4) *

78.8 (18.3)

79.6 (20.3)

78.8 (18.1)

Dorsiflex

Right

19.3 (5.2)

20.1 (6.3)

21.8 (6.1) *

23.8 (6.8)

22.1 (6.5)

25.2 (5.6) †

 

Left

20.3 (5.5)

20.7 (6.7)

21.8 (5.8)

23.9 (6.5)

21.9 (4.8)

23.8 (5.0)

  1. * = statistically significant difference to measurement 1 (baseline) p<0.03.
  2. † = statistically significant difference to measurement 2 (after 12 week training period) p<0.03.
  3. Data in Nm, mean (SD).