None listed
Conditions
Interventions
Dietary Supplement : Three supplementation conditions were implemented: placebo (PLA), carbohydrate (CHO), and carbohydrate–protein (CHOP). Each drink was provided in a total volume of 500 mL and cons
SungPoong, Seoul, Republic of Korea). According to the manufacturer’s nutritional information, the CHO and CHOP beverages were energy-matched (152.4 vs. 154.19 kcal, respectively), resulting in a negl
0 kcal). To preserve the single-blind nature of the study, all drinks were standardized for visual appearance, aroma, and flavor and were dispensed in identical opaque containers. Beverage preparation
Sponsors
Kwangwoon University
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: Nine male collegiate soccer players enrolled at K University in Seoul voluntarily participated in this study. Ethical approval was obtained from the Bioethics Review Committee of Kwangwoon University. Prior to participation, all procedures were thoroughly explained to the subjects, and written informed consent was obtained in accordance with institutional ethical guidelines. To ensure the safety of participants during the soccer-specific exercise testing protocol, a Physical Activity Readiness Questionnaire (PAR-Q) was administered in advance to screen for any potential health risks.
Exclusion criteria
Exclusion criteria: Participants who are deemed ineligible to safely engage in the exercise protocol based on their self-completed Physical Activity Readiness Questionnaire (PAR-Q) will be excluded from the study. 1. If you answered “Yes” to one or more of the following questions: - Has a physician ever told you that you have a heart condition? - Do you frequently experience chest pain? - Do you often feel faint or dizzy? - Has a physician ever informed you that you have arthritis or an orthopedic condition that could be worsened by physical activity? - Has a physician ever told you that you have high blood pressure or hypertension? - Do you have any specific medical or personal reason that prevents you from exercising? - Are you over the age of 65 and have been physically inactive for a long period of time? 2. If you are currently diagnosed with any of the following conditions: 1) Cardiovascular Diseases- Hypertension- Stroke- Myocardial infarction- Angina pectoris- Cardiac arrhythmia 2) Metabolic Disorders- Diabetes mellitus- Hyperlipidemia- Thyroid dysfunction 3) Musculoskeletal Disorders - Arthritis- Osteoporosis 4) Respiratory Disorders- Asthma- Chronic bronchitis- Allergic rhinitis- Pulmonary tuberculosis 5. Thyroid Diseases 6. Liver Diseases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Respiratory Gas Variables | — |
Secondary
| Measure | Time frame |
|---|---|
| Exercise performance | — |
Countries
Korea, Republic of
Contacts
Public ContactKi Woong Noh
Kwangwoon University
Outcome results
None listed