Table 6 EMG (%MVC) variables of knee and back muscles during the two movement phases. Median (min, max) (n = 28 or n = 24^a)

  Mean

10.1

3.3

20.6

10.6

4.1

19.9

11.4

4.1

19.4

0.131

  95p

33.8

9.6

80.6

37.1

11.4

67.4

36.5

11.9

67.7

0.368

  Max

17.1

8.2

75.3

16.2

8.6

40.1

19.1^a

9.1^a

40.2^a

0.687

  Mean

6.8

2.4

14.9

6.7

3.1

26.9

6.8

1.6

14.7

0.867

  95p

26.7

7.2

45.2

26.2

10.1

73.6

28.7

6.1

71.9

0.630

  Max

12.8

6.4

81.1

12.5

8.1

32.3

12.7^a

6.7^a

28.1^a

0.582

  Mean

8.4

3.9

16.3

8.1

4.2

22.6

8.6

5.0

15.0

0.629

  95p

27.9

13.7

49.3

26.3

13.4

62.2

26.2

14.0

53.4

0.779

  Max

14.3

6.7

37.2

14.6

6.6

33.1

13.9

6.8

29.8

0.629

  Mean

11.0

4.9

23.1

12.2

4.3

19.9

10.2

5.1

20.4

0.651

  95p

31.3

13.5

67.5

32.8

12.0

55.4

27.7

14.5

63.2

0.867

  Max

15.5

6.6

34.0

17.7

5.9

33.9

16.3

7.1

40.0

0.472