Ingestion of Beta-alanine Effects in Well-trained Tennis Players
- Conditions
- Beta-alaninePlacebo
- Interventions
- Dietary Supplement: Beta-alanine supplementation
- Registration Number
- NCT05427409
- Lead Sponsor
- Universidad Francisco de Vitoria
- Brief Summary
Beta-alanine is considered as ergogenic aids with good to strong evidence for improving sports performance in specific sports context scenarios. However, most of the studies has been realized in endurance, with limited evidence in intermittent sports, especially in racket sports. Thus, the aim of this study was to explore the effects of 4-weeks ingestion of beta-alanine on neuromuscular performance in well-trained tennis players.
- Detailed Description
Fourteen tennis players (23.3 ±3.7 years) between 50-250 national tennis ranking participated in this study. Participants were randomly divided into two groups that realized a neuromuscular battery after beta-alanine (4.8 gr/daily during 4-weeks) or placebo (i.e., fructose) (4.8 grams/daily during 4-weeks). Before and after the supplementation period tennis performed a neuromuscular test battery in a tennis court consisted in different test such as; serve velocity, countermovement jump, isometric handgrip strength, 10-m sprint, modified 5-0-5 agility test and repeated sprint ability. After 48 h of the realization of neuromuscular test battery, tennis players performed VO2max consumption test (i.e., treadmill).
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- Male
- Target Recruitment
- 14
- Well-trained tennis players, between 18-35 years old (50-200 between tennis ranking)
- Suffering from any chronic pathology or an injury in the month prior to the investigation.
- Intolerance to beta-alanine ingestion
- Amateur tennis players.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- CROSSOVER
- Arm && Interventions
Group Intervention Description Placebo supplementation Beta-alanine supplementation Placebo (4.8 grams) pills (Crown Nutrition, Haro, Spain) contain fructose (300mg) and excipients (1200 mg) such as cellulose, calcium phosphate, silicon dioxide and magnesium stearate in four doses each day during a 4-week supplementation period. Beta-alanine supplementation Beta-alanine supplementation Beta-alanine (4.8 grams) pills (Crown Nutrition, Haro, Spain) in four doses each day during a 4-week supplementation period.
- Primary Outcome Measures
Name Time Method VO2 max treadmill test 4-weeks Using VO2 max analyzer (Ergostik, Geratherm Respiratory, Ergostik, Geratherm, Germany)
Repeated sprint ability test. 4-weeks Infrared photocells system (Microgate, Italy)
- Secondary Outcome Measures
Name Time Method Contermovement Jump 4-weeks Contact Jump (Chronojump, Spain)
10m sprint 4-weeks Infrared photocells system (Microgate, Italy)
Serve velocity 4-weeks Stroke velocity radar gun (Radar Pocket, South Korea)
Isometric handgrip strength 4-weeks Hand held dynamometer (Takei, Japan)
Modified agility test 5-0-5 4-weeks Infrared photocells system (Microgate, Italy)
Trial Locations
- Locations (1)
Universidad Francisco de Vitoria
🇪🇸Pozuelo De Alarcón, Madrid, Spain