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The Effect of Quinoa on Strength, VO2max and Athletic Performance

The Effect of Consuming Quinoa on Muscle Strength, VO2max and Athletic Performance Among Adolescent Handball Players

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06444698
Enrollment
32
Registered
2024-06-05
Start date
2024-07-25
Completion date
2024-10-10
Last updated
2025-02-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sports Nutrition

Brief summary

Background: Proper nutrition is essential for sports performance. Quinoa is a gluten-free grain rich in macronutrients such as protein, polysaccharides, and fatty acids and consists of many phytochemicals such as carotenoids, flavonoids, saponins, fiber, vitamins, and minerals. Phytochemicals in quinoa act as antioxidant and anti-inflammatory. This will protect against several oxidative stress related diseases. Objective: Investigate the effect of 50 g of quinoa for four weeks on muscle strength, VO2max and athletic performance among adolescent athletes. Study design: A Double blinded randomized control trial with pre-test and post-test design. Methods :32 subjects will be included in this trial. Subjects will be divided randomly into control and experimental group with a 1:1 ratio; the experimental group will receive two cookies that contain 50 grams of quinoa; the control group will receive the same two cookies that but without quinoa. Strength will be assessed by using hand-held dynamometer (HHD). Maximum oxygen uptake capacity (Vo2max) will be assessed by Queen's College step test (QCT). And for evaluating performance: standing long jump test, ball throw test, and agility T-test will be used. Subjects will be asked to take the cookies 1-4 hours before bedtime daily during the study period. Statistical Analysis: Shapiro wilk test will be performed to check the normality of the data and Levenes test will be performed to check homogeneity of variance. Cohen's d will be used to check the effect size. The level of significance is set to p ≤ 0.05.

Interventions

DIETARY_SUPPLEMENTcookies that contain 50 grams of quinoa

250 grams of ground quinoa will be mixed with 250 grams of ready-to-use cookie flour and 100 gram of butter, one egg, and 75 gram of chocolate chips will be added. After mixing, the ingredients will be divided into (10) cookies (each cookie will continue 25 grams of quinoa) and bake them in oven for 9-11 mint at 190 °C. The placebo control group will receive cookies that continue the same ingredient but without quinoa and the cookies will look like the experimental group cookies. Cookies delivery will be every 3 to 4 days for each participants.

DIETARY_SUPPLEMENTcookies without quinoa

The placebo control group will receive cookies that continue the same ingredient of experimental group but without quinoa and the cookies will look like the experimental group cookies.

Sponsors

Imam Abdulrahman Bin Faisal University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
MALE
Age
15 Years to 18 Years
Healthy volunteers
Yes

Inclusion criteria

1- Healthy adolescent male athletes aged 15 to 18

Exclusion criteria

1- Use any dietary supplementation, including protein powder, during the study period. 2\. Musculoskeletal, neurological, cardiovascular, or systemic disorders which may affect the testing as reported by the participants 3\. Biomechanical abnormalities which may affect the testing as reported by the participants 4\. Participants psychological disorders 5\. Participants on medication which may affect the measurements as reported by the participants 6\. Allergic from any recipe ingredients

Design outcomes

Primary

MeasureTime frame
strength of the biceps and triceps by Hand held dynameterbase line measurement and post test after 4 weeks of intervention
Maximum oxygen uptake capacity (Vo2max) assessed by Queen's College Step Test (QCT)base line measurement and post test after 4 weeks of intervention
standing long jump testbase line measurement and post test after 4 weeks of intervention
Ball throw testbase line measurement and post test after 4 weeks of intervention
Agility T-testbase line measurement and post test after 4 weeks of intervention

Countries

Saudi Arabia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026