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Table 3 Statistic results of the forward-moving rate in the simulated intestinal tract

From: Preliminary study of an intestinal bio-robot system based on nerve stimulation

Stimulating point

Proportion of forward motion

Mean forward-moving rate (mm/s)

Horizontal segment

Arc segment

Ascending segment

AS of trunk

77.78%

19.23

18.41

11.47

MS of trunk

100%

21.84

19.12

11.25

PS of trunk

55.56%

/

/

/

Tail

100%

38.64

30.17

20.54

AS and MS of trunk

100%

20.37

20.05

13.09

AS and PS of trunk

33.33%

/

/

/

MS and PS of trunk

88.89%

20.61

18.98

12.54

AS of trunk and tail

100%

22.47

21.04

15.23

Mean rate±standard deviation of each segment (mm/s)

23.86±7.330

21.30±4.445

14.02±3.499

Mean rate±standard deviation of the entire simulative intestinal tract (mm/s)

19.73±6.604