The effects of plyometric training and β-alanine supplementation on anaerobic power and serum level of carnosine in handball players

Shbib, Saleh; Rashidlamir, Amir; Dokht, Elham Hakak

doi:10.1007/s11332-020-00709-4

Cited by 6 publications

(7 citation statements)

References 43 publications

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“…The 20 included studies [ 11–14 , 28–43 ] contained a total of 25 intervention arms, which are shown in Table 1 . These studies were published between 2008 and 2021, and in total, 492 participants were included.…”

Section: Resultsmentioning

confidence: 99%

“…Overall result from 16 studies [ 11 , 13 , 28–39 , 43 ] containing 21 total effect sizes (n = 427) did not reveal significant alterations in BFP (WMD: −0.06%; 95% CI: −0.53 to 0.40; p = 0.782, I 2 = 0.0%, p = 0.936) ( Figure 2(c )). Insignificant changes were shown in all subgroups ( Table 3 ).…”

Section: Meta-analysismentioning

confidence: 95%

“…Outcomes analysis of the 16 studies (21 arms in total) [ 11 , 12 , 14 , 28–33 , 36–38 , 40–43 ] (n = 387) that measured body mass following beta-alanine supplementation did not show an overall effect of a significant change in body mass (WMD: −0.15 kg; 95% CI: −0.78 to 0.47; p = 0.631, I 2 = 0.0%, p = 0.998) ( Figure 2(a )). In addition, all subgroup analyses did not indicate any changes in body mass following beta-alanine supplementation ( Table 3 ).…”

Section: Meta-analysismentioning

confidence: 99%

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Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysis

Ashtary‐Larky

Bagheri

Ghanavati

et al. 2022

Journal of the International Society of Sports Nutrition

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Purpose Previous studies have suggested that beta-alanine supplementation may benefit exercise performance, but current evidence regarding its effects on body composition remains unclear. This systematic review and meta-analysis aimed to investigate the effects of beta-alanine supplementation on body composition indices. Methods Online databases, including PubMed/Medline, Scopus, Web of Science, and Embase, were searched up to April 2021 to retrieve randomized controlled trials (RCTs), which examined the effect of beta-alanine supplementation on body composition indices. Meta-analyses were carried out using a random-effects model. The I 2 index was used to assess the heterogeneity of RCTs. Results Among the initial 1413 studies that were identified from electronic databases search, 20 studies involving 492 participants were eligible. Pooled effect size from 20 studies indicated that beta-alanine supplementation has no effect on body mass (WMD: −0.15 kg; 95% CI: −0.78 to 0.47; p = 0.631, I 2 = 0.0%, p = 0.998), fat mass (FM) (WMD: −0.24 kg; 95% CI: −1.16 to 0.68; p = 0.612, I 2 = 0.0%, p = 0.969), body fat percentage (BFP) (WMD: −0.06%; 95% CI: −0.53 to 0.40; p = 0.782, I 2 = 0.0%, p = 0.936), and fat-free mass (FFM) (WMD: 0.05 kg; 95% CI: −0.71 to 0.82; p = 0.889, I 2 = 0.0%, p = 0.912). Subgroup analyses based on exercise type (resistance training [RT], endurance training [ET], and combined training [CT]), study duration (<8 and ≥8 weeks), and beta-alanine dosage (<6 and ≥6 g/d) demonstrated similar results. Certainty of evidence across outcomes ranged from low to moderate. Conclusions This meta-analysis study suggests that beta-alanine supplementation is unlikely to improve body composition indices regardless of supplementation dosage and its combination with exercise training. No studies have examined the effect of beta-alanine combined with both diet and exercise on body composition changes as the primary variable. Therefore, future studies examining the effect of the combination of beta-alanine supplementation with a hypocaloric diet and exercise programs are warranted.

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Section: Resultsmentioning

confidence: 99%

Section: Meta-analysismentioning

confidence: 95%

Section: Meta-analysismentioning

confidence: 99%

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Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysis

Ashtary‐Larky

Bagheri

Ghanavati

et al. 2022

Journal of the International Society of Sports Nutrition

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“…Beta-alanine combines with histidine to form a molecule within the cell called carnosine ( Varanoske et al, 2019 ). Carnosine buffers the acidic environment created by intense exercise, allowing for better durability and performance ( Shbib et al, 2021 ). Gamma-aminobutyric acid, which is detected in large quantities in the POM and OP groups, is a neurotransmitter that blocks the stimulation of nerve cells in the brain.…”

Section: Discussionmentioning

confidence: 99%

Pistachio, Pomegranate and Olive Byproducts Added to Sheep Rations Change the Biofunctional Properties of Milk through the Milk Amino Acid Profile

Kahraman¹,

Yurtseven²,

Sakar³

et al. 2023

Food Sci Anim Resour

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“…Data were recorded as mean ± standard deviation. 5 The data in a single group before and after the experiment were analyzed by paired t-test. The data between the groups were compared using a separate t-test.…”

Section: Discussionmentioning

confidence: 99%

Impacts of High-Intensity Interval Training on Physical Fitness in Handball

Han¹,

Teng

2023

Rev Bras Med Esporte

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Introduction: Handball is a competitive sport with high demands on the physical fitness of its athletes, being physical exercise demands continuous quality improvement of its practitioners. Objective: Explore the effect of high-intensity interval training on physical fitness in young handball players. Methods: In this paper, 46 young handball players were randomly selected for the research. The volunteers were randomly divided into two different groups: the experimental group and the control group. The control group mainly performed regular physical exercises. While the experimental group performed a protocol with high-intensity interval training. Both groups underwent a basic fitness test before and after the experiment. All experimental data were statistically analyzed and discussed. Results: After 12 weeks of experimental intervention, the experimental group showed significant differences in three items, namely reentry sensitivity, vertical jump, and long position jump (P<0.05). In the comparison between the groups, the scores in straight thrust and long jump were also significant (P<0.05). Conclusion: High-intensity interval training proved effective in improving young handball players’ physical fitness. Level of evidence II; Therapeutic studies - investigation of treatment outcomes.

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The effects of plyometric training and β-alanine supplementation on anaerobic power and serum level of carnosine in handball players

Cited by 6 publications

References 43 publications

Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysis

Effects of beta-alanine supplementation on body composition: a GRADE-assessed systematic review and meta-analysis

Pistachio, Pomegranate and Olive Byproducts Added to Sheep Rations Change the Biofunctional Properties of Milk through the Milk Amino Acid Profile

Impacts of High-Intensity Interval Training on Physical Fitness in Handball

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