Skip to main content

Table 3 Comparison of iEMG values between light and heavy groups

From: Relationship between weight of rescuer and quality of chest compression during cardiopulmonary resuscitation

 

30

60

90

120

150

180

210

240

270

300 (s)

Biceps brachii (mV)

          

Light

27.3 ± 12.8

26.5 ± 12.5

24.5 ± 10.1

25.1 ± 11.0

23.5 ± 9.5

24.3 ± 9.6

22.2 ± 8.7

23.9 ± 10.1

22.2 ± 9.7

23.2 ± 10.6

Heavy

28.5 ± 9.5

26.2 ± 6.9

24.0 ± 6.2

23.2 ± 6.9

22.7 ± 6.9

22.7 ± 7.4

22.2 ± 8.0

22.9 ± 8.7

22.9 ± 9.1

22.3 ± 9.2

Triceps brachii (mV)

          

Light

69.5 ± 25.6

67.4 ± 22.5

65.7 ± 20.5

65.6 ± 18.2

67.3 ± 18.8

70.3 ± 18.8

68.7 ± 18.2

68.6 ± 17.0

68.4 ± 15.4

70.4 ± 16.8

Heavy

50.1 ± 9.0

51.1 ± 10.3

50.4 ± 11.3

52.0 ± 12.7

51.2 ± 13.5

52.5 ± 16.0

53.0 ± 16.0

55.2 ± 18.9

53.7 ± 17.0

55.8 ± 16.5

Trapezius (mV)

          

Light

26.8 ± 14.8

25.1 ± 14.5

21.9 ± 11.2

21.0 ± 10.2

20.8 ± 9.6

21.9 ± 9.4

21.1 ± 8.0

22.3 ± 9.2

21.8 ± 7.2

25.5 ± 10.1

Heavy

14.3 ± 4.8*

13.7 ± 4.7

13.3 ± 4.9

13.5 ± 5.4

14.2 ± 9.0

13.6 ± 7.9

12.7 ± 5.2*

12.1 ± 3.9*

12.3 ± 5.4**

13.3 ± 5.8**

Erector spinae (mV)

          

Light

19.0 ± 5.4

19.8 ± 6.3

19.4 ± 5.7

19.1 ± 5.0

18.7 ± 5.1

19.5 ± 5.4

19.1 ± 5.2

20.0 ± 4.8

20.0 ± 4.7

20.5 ± 4.4

Heavy

12.2 ± 4.9*

12.8 ± 6.0*

13.0 ± 5.4*

12.7 ± 4.8*

12.9 ± 4.5*

12.9 ± 3.9*

13.1 ± 4.3*

13.2 ± 4.3**

13.2 ± 4.8**

13.4 ± 5.1**

External oblique (mV)

          

Light

22.0 ± 9.4

25.9 ± 14.2

22.6 ± 12.0

22.4 ± 11.8

19.6 ± 8.8

21.6 ± 9.6

20.6 ± 8.8

22.2 ± 10.2

21.0 ± 9.2

22.0 ± 10.5

Heavy

11.3 ± 6.3*

10.9 ± 5.4*

10.3 ± 4.9*

9.6 ± 4.1*

9.5 ± 4.6*

9.5 ± 4.4**

9.3 ± 4.5**

9.1 ± 4.1**

8.6 ± 3.9**

8.3 ± 3.2**

Abdominal rectus (mV)

          

Light

18.4 ± 6.7

19.3 ± 10.3

18.2 ± 9.6

18.4 ± 11.2

17.3 ± 10.0

18.1 ± 9.5

17.3 ± 9.5

17.9 ± 10.7

17.6 ± 9.3

17.7 ± 9.5

Heavy

8.7 ± 3.5**

8.4 ± 3.3*

8.0 ± 2.7*

7.7 ± 2.7*

7.0 ± 2.4*

7.2 ± 2.4**

7.0 ± 2.5**

7.2 ± 2.8*

7.0 ± 2.6**

7.3 ± 2.9*

Rectus femoris (mV)

          

Light

7.2 ± 2.3

8.6 ± 4.1

10.6 ± 5.6

11.1 ± 6.7

10.5 ± 6.8

11.2 ± 7.2

9.7 ± 5.9

10.2 ± 7.1

10.7 ± 6.5

11.1 ± 7.9

Heavy

4.3 ± 0.8**

4.1 ± 0.7*

3.7 ± 0.7**

3.7 ± 0.7*

3.5 ± 0.7*

3.7 ± 1.1*

3.4 ± 0.9*

3.7 ± 1.1*

3.9 ± 1.7*

3.5 ± 0.8*

Biceps femoris (mV)

          

Light

32.3 ± 24.8

28.5 ± 18.2

24.0 ± 17.1

22.1 ± 15.3

23.3 ± 15.4

23.8 ± 15.5

24.3 ± 16.7

26.4 ± 16.7

26.4 ± 17.1

26.8 ± 15.7

Heavy

14.1 ± 6.6

15.2 ± 7.1

15.1 ± 5.6

15.1 ± 5.5

15.3 ± 5.5

14.7 ± 5.4

14.5 ± 4.8

14.5 ± 4.9

14.6 ± 4.5

14.5 ± 4.2

  1. Values are means ± standard deviation. Significant difference between light and heavy groups. (*P <0.05, **P <0.01; unpaired t test); n = 9 for all groups.
Back to article page

Journal of Physiological Anthropology

ISSN: 1880-6805

Contact us