Effects of Four Weeks of Beta-Alanine Supplementation Combined with One Week of Creatine Loading on Physical and Cognitive Performance in Military Personnel
Abstract
:1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Supplementation
2.3. Testing Procedures
2.3.1. Running Anaerobic Sprint Test (RAST)
2.3.2. One-Repetition Maximum Test
2.3.3. Vertical Jump Test
2.3.4. Simulated Casualty Evacuation Test (SCET)
2.3.5. Mathematical Processing
2.4. Biochemical Analysis
2.5. Statistical Analysis
3. Results
3.1. Participant Characteristics
3.2. Physical and Cognitive Tests
3.2.1. Repeated Anaerobic Sprint Test (RAST)
3.2.2. Chest Press
3.2.3. Leg Press
3.2.4. Vertical Jump
3.2.5. Simulated Casualty Evacuation Test (SCET)
3.2.6. 7-Mathematical Processing
3.3. Blood Analyses
3.3.1. Testosterone
3.3.2. Cortisol
3.3.3. IGF-1
3.3.4. Post-Exercise Lactate
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Variables | BA + Cr | BA + PL | ||
---|---|---|---|---|
Pre | Post | Pre | Post | |
Age (year) | 21.4 ± 2.05 | 21.6 ± 2.01 | ||
Body mass (kg) | 77.2 ± 6.47 | 77.2 ± 6.71 | 74.5 ± 7.6 | 74.6 ± 6.8 |
Height (m) | 1.79 ± 0.06 | -------- | 1.77 ± 0.04 | -------- |
BMI (kg/m2) | 23.88 ± 1.22 | 23.88 ± 1.29 | 23.52 ± 2.04 | 23.55 ± 1.80 |
Variables | BA + Cr | BA + PL | p-Value | ||
---|---|---|---|---|---|
Pre | Post | Pre | Post | ||
RAST PP (W) | 539.48 ± 100.46 | 5.65.54 ± 104.28 | 522.43 ± 102.57 | 542.73 ± 113.64 | 0.722 |
RAST AP (W) | 486.81 ± 87.03 | 499.26 ± 80.03 | 472.7 ± 90.38 | 475.89 ± 95.76 | 0.140 |
RAST MP (W) | 423.2 ± 72.20 | 441.93 ± 66.9 | 408.90 ± 90.18 | 414 ± 88.66 | 0.145 |
RAST FI (W/s) | 3.31 ± 1.19 | 3.55 ± 1.30 | 3.24 ± 1.66 | 3.68 ± 1.60 | 0.533 |
Chest Press (kg) | 69.16 ± 8.15 | 71.06 ± 8.75 | 67.6 ± 9.54 | 68.4 ± 9.48 | 0.224 |
Leg Press (kg) | 202 ± 16.4 | 205 ±17.71 | 201.5 ± 20.4 | 204.16 ± 19.47 | 0.600 |
Vertical Jump (cm) | 53 ± 5.68 | 55.03 ± 8.29 | 55.86 ± 6.04 | 55.7 ± 6.03 | 0.005 * |
SCET (min) | 10.98 ± 0.53 | 10.32 ± 0.46 | 11.04 ± 0.62 | 10.37 ± 0.49 | 0.600 |
7-Subtraction Test (arbitrary unit) | 9.30 ± 1.49 | 9.8 ± 1.22 | 9.5 ± 1.58 | 10 ± 1.24 | 0.835 |
Variables | BA + Cr | BA + PL | p-Value | ||
---|---|---|---|---|---|
Pre | Post | Pre | Post | ||
Testosterone (ng/L) | 5.46 ± 0.66 | 5.92 ± 0.65 | 5.61 ± 0.59 | 5.64 ± 0.64 | 0.006 * |
Cortisol (ng/L) | 127 ± 7.7 | 126.4 ± 5.8 | 127.9 ± 8.5 | 127.8 ± 7.8 | 0.551 |
IGF-1 (pg/L) | 280.5 ± 37.02 | 285.5 ± 32.35 | 281 ± 36.34 | 279 ± 28.46 | 0.116 |
Lactate (mmol/L) | 12.98 ± 0.81 | 11.86 ± 0.73 | 12.84 ± 1.07 | 12.28 ± 0.65 | 0.090 |
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Samadi, M.; Askarian, A.; Shirvani, H.; Shamsoddini, A.; Shakibaee, A.; Forbes, S.C.; Kaviani, M. Effects of Four Weeks of Beta-Alanine Supplementation Combined with One Week of Creatine Loading on Physical and Cognitive Performance in Military Personnel. Int. J. Environ. Res. Public Health 2022, 19, 7992. https://doi.org/10.3390/ijerph19137992
Samadi M, Askarian A, Shirvani H, Shamsoddini A, Shakibaee A, Forbes SC, Kaviani M. Effects of Four Weeks of Beta-Alanine Supplementation Combined with One Week of Creatine Loading on Physical and Cognitive Performance in Military Personnel. International Journal of Environmental Research and Public Health. 2022; 19(13):7992. https://doi.org/10.3390/ijerph19137992
Chicago/Turabian StyleSamadi, Mohammad, Ali Askarian, Hossein Shirvani, Alireza Shamsoddini, Abolfazl Shakibaee, Scott C. Forbes, and Mojtaba Kaviani. 2022. "Effects of Four Weeks of Beta-Alanine Supplementation Combined with One Week of Creatine Loading on Physical and Cognitive Performance in Military Personnel" International Journal of Environmental Research and Public Health 19, no. 13: 7992. https://doi.org/10.3390/ijerph19137992