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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