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Table 2 Effect of ATP supplementation on body composition and Quadriceps thickness in participants performing a 12 week weight training regimen. a

From: Effects of oral adenosine-5′-triphosphate supplementation on athletic performance, skeletal muscle hypertrophy and recovery in resistance-trained men

 

Week of Study

 
 

0

4

8

12

p-valueb

Weight, kg

     

Placebo

87.4 ± 4.3

88.3 ± 4.6

88.7 ± 4.8

87.7 ± 4.7

 

ATP

85.7 ± 1.7

86.9 ± 2.0

87.0 ± 2.0

87.0 ± 2.1

0.49

DXA LBM, kg

     

Placebo

68.5 ± 2.6

70.0 ± 2.3

71.2 ± 2.4

70.5 ± 2.4

 

ATP

67.7 ± 2.0

70.1 ± 1.9

71.4 ± 2.0#

71.7 ± 1.9#

.009

DXA Fat,%

     

Placebo

21.0 ± 1.1

19.8 ± 1.6

18.6 ± 1.9

18.6 ± 1.7

 

ATP

19.5 ± 1.8

18.1 ± 1.8

16.6 ± 1.6

16.0 ± 1.5

0.76

Quad, mm

     

Placebo

50.2 ± 2.1

52.2 ± 2.3

52.6 ± 2.4

52.7 ± 2.4

 

ATP

50.9 ± 0.9

53.4 ± 1.3

54.8 ± 1.7

55.8 ± 1.8#

0.02

  1. aMean ± SEM for n = 11 ATP (400 mg ATP/d taken 30 min prior to exercise) and n = 10 placebo supplemented participants.
  2. bProbability of treatment by time difference between the placebo and the ATP treatments over the 12-week study. The mixed model ANOVA in SAS® was used with the main effects of treatment, time and treatment by time, with the value for week 0 used as a covariate.
  3. #Significantly different than corresponding placebo, t-test (p < 0.05).