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Table 2 Means, standard deviations, and percent changes for body composition and muscle strength variables in the study.

From: Effects of 28 days of resistance exercise and consuming a commercially available pre-workout supplement, NO-Shotgun®, on body composition, muscle strength and mass, markers of satellite cell activation, and clinical safety markers in males

Variable

PL Day 0

PL Day 29

% Change

NO Day 0

NO Day 29

% Change

Time

Group × Time

Body Weight (kg)

79.31

80.4

1.37

78.57

80.48

2.59

p = 0.001

p = 0.062

 

17.35

17.57

0.91

15.84

15.54

1.65

  

Fat Mass (kg)

14.93

15.07

4.85

15.89

15.52

-1.21

p = 0.62

p = 0.23

 

11.84

11.16

8.17

10.92

10.13

6.15

  

Fat-Free Mass (kg)

54.89

55.84

1.69

53.95

56.46

4.75

p = 0.001

p = 0.001

 

6.43

6.79

1.62

6.41

6.23

1.49

  

Total Body Water (L)

42.82

43.34

1.17

40.61

41.92

3.36

p = 0.77

p = 0.35

 

5.73

5.96

2.18

4.55

4.32

3.06

  

Bench Press (kg/kg)

0.908

0.918

0.73

0.779

0.84

8.82

p = 0.005

p = 0.003

 

0.223

0.239

6.92

0.215

0.198

5.34

  

Leg Press (kg/kg)

3.77

4.21

11.99

3.56

4.22

18.4

p = 0.001

p = 0.10

 

0.69

0.73

8.36

0.93

1.14

5.74