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Table 5 Bench press and anaerobic sprint performance characteristics of Study 2 participants

From: Acute and chronic safety and efficacy of dose dependent creatine nitrate supplementation and exercise performance

 

Group

Day 0

Day 28

Interactions

p-level

Bench press performance

    

 Max reps

PLA

10.8 ± 2.9

13.0 ± 4.8

Group

0.83

 (@70 % 1RM)

CrM

12.0 ± 5.5

15.0 ± 7.1

Time

0.001

 

CrN-Low

11.9 ± 2.7

14.0 ± 3.7

Group × Time

0.55

 

CrN-High

11.5 ± 3.6

14.8 ± 3.7

  

 Workload [kg]

PLA

1474.1 ± 373.6

1753.2 ± 548.5

Group

0.17

 (wt x reps)

CrM

1827.0 ± 926.3

2255.0 ± 1121.5

Time

0.001

 

CrN-Low

1616.5 ± 491.3

1877.3 ± 535.4

Group × Time

0.10

 

CrN-High

1927.3 ± 830.2

2516.5 ± 867.2

  

 Peak power

PLA

425.5 ± 101.1

443.3 ± 107.1

Group

0.10

 (W)

CrM

452.9 ± 113.7

521.5 ± 119.9

Time

0.001

 

CrN-Low

440.2 ± 76.0

481.1 ± 88.4

Group × Time

0.57

 

CrN-High

492.4 ± 95.0

553.3 ± 98.4

  

 Average power

PLA

357.7 ± 88.4

382.4 ± 93.2

Group

0.03

 (W)

CrM

423.8 ± 120.5

456.4 ± 105.0

Time

0.001

 

CrN-Low

371.6 ± 70.4

396.4 ± 73.4

Group × Time

0.82

 

CrN-High

451.2 ± 91.8

489.4 ± 89.7

  

 Average velocity

PLA

0.50 ± 0.09

0.53 ± 0.11

Group

0.10

 (m/s)

CrM

0.55 ± 0.09

0.62 ± 0.11

Time

0.001

 

CrN-Low

0.61 ± 0.83

0.65 ± 0.12

Group × Time

0.74

 

CrN-High

0.54 ± 0.11

0.61 ± 0.15

  

Anaerobic sprint performance

    

 Mean power

PLA

668.1 ± 172.0

682.7 ± 142.3

Group

0.03

 (W)

CrM

684.2 ± 129.2

720.5 ± 141.5

Time

0.12

 

CrN-Low

670.8 ± 124.8

708.9 ± 106.9

Group × Time

0.46

 

CrN-High

807.9 ± 91.0

797.7 ± 61.4

  

 Peak power

PLA

1,464.4 ± 379.7

1,486.8 ± 322.5

Group

0.13

 (W)

CrM

1,548.4 ± 351.6

1,611.4 ± 440.5

Time

0.11

 

CrN-Low

1,497.4 ± 270.1

1,565.0 ± 278.1

Group × Time

0.95

 

CrN-High

1,739.0 ± 275.5

1,783.7 ± 306.8

  

 Total work

PLA

6,119.6 ± 991.9

6,423.7 ± 896.4

Group

0.55

 (J)

CrM

7,188.1 ± 2195.3

6,886.7 ± 744.7

Time

0.76

 

CrN-Low

6,760.7 ± 1618.4

6,817.5 ± 1290.8

Group × Time

0.71

 

CrN-High

6,716.3 ± 1532.6

6,884.4 ± 1495.3

  
  1. Data are mean ± SD