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Table 3 Linear mixed model results on kinematics for the factor movement task across subjects

From: Characterization of stroke-related upper limb motor impairments across various upper limb activities by use of kinematic core set measures

 

All movements

Gesture movements

Grasp movements

Significance

Trunk displacement in cm

5.2 (4.3–7.3)

2.9 (2.2–3.6)

7.1 (6.1–8.2)

p < 0.001*

Shoulder flex/ext in degrees

52.1 (45.0–60.2)

76.1 (70.3–81.8)

66.5 (62.4–70.6)

p < 0.001*

Shoulder abd/add in degrees

17.9 (15.7–24.0)

26.7 (24.3–29.3)

29.3 (27.5–31.0)

p = 0.035*

Elbow flex/ext in degrees

55.7 (46.3–63.8)

71.3 (65.3–77.4)

92.33 (89.0–95.6)

p < 0.001*

Forearm pro/sup 

in degrees

42.5 (31.5–54.8)

54.1 (49.1–59.1)

65.5 (58.2–66.9)

p = 0.008*

Wrist flex/ext

in degrees

33.3 (23.6–41.7)

21.1 (19.2–23.0)

33.2 (30.0–36.3)

p < 0.001*

Movement time in seconds

6.7 (5.5–8.4)

3.43 (3.17–3.69)

7.05 (6.46–7.64)

p < 0.001*

Peak velocity in m/s

0.8 (0.8–1.0)

1.99 (1.81–2.18)

1.22 (1.13–1.31)

p < 0.001*

NVP

63.2 (49.6–77.2)

21.0 (17.8–24.2)

58.0 (49.4–66.5)

p < 0.001*

SPARC

− 4.2 (− 4.9 to (− 3.8))

− 3.3 (− 3.5 to (− 3.1))

− 3.6 (− 3.8 to (− 3.4))

p = 0.023*

  1. Abd/Add abduction/adduction, Flex/Ext flexion/extension, NVP number of velocity peaks, Pro/Sup pronation/supination, SPARC spectral arc length
  2. Kinematic parameters are represented by mean and (95% confidence interval) for the totally collected data and for the gesture and grasp activities separately
  3. *Indicates statistically significant differences (p < 0.05) between gesture and grasp kinematics