Efficacy of a Carbohydrate Drink on Speed, Agility and Power in School Going Children

Not Applicable

Completed

Interventions: Other: Water
Dietary Supplement: Carbohydrate beverage powder
Dietary Supplement: Calorie matched beverage powder

Brief Summary: The purpose of this study is to investigate the impact of a beverage containing carbohydrate powder fortified with micronutrients on agility, speed, and power in school going children

Recruitment & Eligibility

Inclusion Criteria

Informed consent by participant's parents or legally accepted representative
Good general health
Non anemic children (Hb≥12 g/dl)
Academy/development level athlete (at least 3 activity sessions per week, for a minimum of 2 hours of activity in each session e.g. hockey, football, team sports)

Exclusion Criteria

Child in care
Allergy/Intolerance to study materials
History of cardiovascular disorder, respiratory diseases, diabetes mellitus, serious infection/injuries/surgeries (within past 3 months)
Participation in any nutritional study in past 1 year
Substance abuse
Children on any kind of medication in past 1 month of screening

Arm && Interventions

Group	Intervention	Description
Control	Water	200mL lukewarm water given twice a day
Test	Carbohydrate beverage powder	20g Carbohydrate powder fortified with multiple micronutrients, reconstituted as a beverage in 200mL lukewarm water. This will be administered twice a day
Calorie matched protein powder	Calorie matched beverage powder	20g Calorie matched protein powder with 80% protein, reconstituted as a beverage in 200mL lukewarm water. This will be administered twice a day

Primary Outcome Measures

Name	Time	Method
Change from baseline in Agility fatigue index	Baseline and 4h post-baseline	Agility fatigue index (FI) will be calculated from Repeat Agility Performance Test, using 'Brower equipment'. This assessment includes a 24 meter agility run, repeated on 6 occasions, with every sprint and recovery interval lasting for 65 seconds (eg. if the first agility effort takes the participant 5 seconds, they will have 55 seconds to return to start line for a 5 seconds countdown before their second agility effort). Agility FI=\[100X(total agility time÷ideal agility time)\]-100. Here, ideal agility time is the best agility time for each participant multiplied by number of repetitions

Secondary Outcome Measures

Name	Time	Method
Change from baseline in Mean power output	Baseline and 4h post-baseline	Mean power output (MPO) will be calculated from Wingate Anaerobic Test, using 'Cycle ergometer'. The participant is allowed to pedal at a constant pace, without resistance and then with additional weights (resistance). This is repeated on three occasions. Overall MPO=(sum of MPO from 3 repetitions at baseline)-(sum of MPO from 3 repetitions at post treatment).
Change from baseline in Speed fatigue index	Baseline and 4h post-baseline	Speed fatigue index (FI) will be calculated from Repeat Sprint Performance Test, using 'Brower equipment'. This assessment includes a 30 meter sprint, repeated on 6 occasions, with every sprint and recovery interval lasting for 65 seconds (eg. if the first sprint takes the participant 5 seconds, they will have 55 seconds to return to start line for a 5 second countdown before their second sprint). Speed FI=\[100X(total speed time÷ideal speed time)\]-100. Here, ideal speed time is the best speed time for each participant multiplied by number of repetitions

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