Table 8 Sensitivity to motor impairment severity

Tapping (n)

69

43.97 (14.47)

19

25.26 (13.51)**

Tapping with the thumb while the remaining digits are weight-bearing (n)

62

34,44 (11,46)

14

17,71 (11,08)**

Tapping with the index finger while the remaining digits are weight-bearing (n)

63

37,65 (12,43)

13

18,31 (11.21)**

Tapping with the middle finger while the remaining digits are weight-bearing (n)

61

34.34 (11.24)

12

17.50 (9.29)**

Tapping with the ring finger while the remaining digits are weight-bearing (n)

51

28.18 (9.10)

10

12.00 (9.01)**

Tapping with the little finger while the remaining digits are weight-bearing (n)

57

28.86 (9.92)

12

13.50 (8.50)**

Minimum index finger pincer grasp (cm)

56

1.32 (0.70)

12

1.73 (1.20)

Maximum index finger pincer grasp (cm)

66

13.05 (2.04)

15

10.31 (2.29)**

Minimum middle finger pincer grasp (cm)

55

1.25 (0.74)

11

1.59 (0.71)

Maximum middle finger pincer grasp (cm)

65

17.94 (2.28)

14

12.39 (2.48)**

Minimum ring finger pincer grasp (cm)

53

1.17 (0.85)

9

2.12 (1.43)

Maximum ring finger pincer grasp (cm)

64

15.81 (2.35)

12

12.13 (2.49)**

Minimum little finger pincer grasp (cm)

53

1.39 (0.92)

9

2.128 (0.953)*

Maximum little finger pincer grasp (cm)

64

15.59 (2.87)

12

12.69 (4.24)*

Hand closing area (cm²)

56

2.48 (0.73)

16

2.47 (0.54)

Hand opening area (cm²)

67

95.47 (23.84)

17

67.88 (25.60)**

Drawing an “M” (cm)

36

58.25 (34.76)

7

82.57 (37.71)

Drawing an “S” (cm)

36

33.82 (16.62)

7

40.01 (9.92)

Drawing a “3” (cm)

36

34.19 (21.41)

7

52.09 (23.39)

Drawing a spiral (cm)

36

129.30 (77.22)

7

145.26 (64.58)

Coordination with a finger (s)

63

28.37 (12.60)

10

35.87 (10.58)

Coordination with a pen (s)

63

29.79 (11.91)

11

39.45 (11.18)*

Coordination with a pen involving dropping and grasping (s)

39

80.52 (32.34)

3

163.07 (87.81)