Table 2 Anthropometric, body composition, physical activity and muscle strength characteristics of the participants by gender.

From: Greater muscle electrode distance and fat mass affect motor units identification from high-density surface EMG in the vastus lateralis muscle

 

Group

p-value

Females

(N = 15)

Males

(N = 46)

BMI (kg·m−2)

22.35 ± 1.16

24.66 ± 3.69

0.014

WHOLE-BODY FM DXA (%)

32.15 ± 5.74

26.19 ± 6.5

0.004

RIGHT LEG FM DXA (%)

38.23 ± 7.04

25.69 ± 5.52

< 0.001

RIGHT THIGH FM DXA (%)

36.53 ± 6.63

24.86 ± 5.22

< 0.001

WHOLE-BODY FM BIA (%)

33.54 ± 4.18

23.71 ± 8.32

< 0.001

QUADRICEPS CSA (cm2)

39.95 ± 9.37

64.85 ± 14.00

< 0.001

VL CSA (cm2)

14.19 ± 2.95

21.77 ± 4.97

< 0.001

MT (cm)

2.25 ± 0.31

2.57 ± 0.39

0.022

MED (cm)

1.07 ± 0.22

0.59 ± 0.18

< 0.001

GPAQ (MET·wk−1)

3062.58 ± 1567.80

2209.47 ± 1613.26

0.128

MVF (N)

455.95 ± 146.34

624.54 ± 158.47

< 0.001

MVT (N·m)

155.77 ± 57.79

216.91 ± 56.39

< 0.001

  1. Data are presented as mean ± SD. Between-group comparisons were performed with the Mann-Whitney U test. BIA: Bioelectrical Impedance Analysis; BMI: Body mass index; CSA: Cross-sectional area; DXA: Dual-Energy X-ray Absorptiometry; F: Females; FM: Fat mass; GPAQ: Global physical activity questionnaire; M: Males; MT: Muscle thickness; MVF: Maximal voluntary force; MVT: Maximal voluntary torque; O: Older adults; VL: Vastus lateralis; Y: Young adults.
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