Development and Strategic Research of Practical Applications in Sports Nutrition
연구 개요
상세 설명
With increasing awareness of regular exercise and health promotion, sports nutrition products have become a common supplementation choice among physically active populations. In real-world settings, these products are typically consumed continuously as part of daily life. Evaluating changes in physical status, functional physical performance, and users' subjective perceptions during actual use therefore requires research designs that closely reflect everyday living conditions.
This study recruits physically active adults aged 18-39 years and conducts an 8-week intervention involving the consumption of a dairy product enriched with high protein, calcium, and vitamin D. A pre-, mid-, and post-intervention design is employed, integrating subjective perception questionnaires, body composition analysis, and functional physical performance assessments to evaluate changes in physical status, functional capacity, and subjective experiences throughout the intervention period. Through this multi-dimensional evaluation approach, the study aims to examine the practical feasibility and application value of the product in real-life settings and to provide evidence to support sports nutrition practice and future research.
연구 유형
등록 (추정된)
단계
- 해당 없음
연락처 및 위치
연구 연락처
- 이름: Yi-Ju Hsu
- 전화번호: +886-3-328-3201 #2430
- 이메일: ruby780202@ntsu.edu.tw
참여기준
자격 기준
공부할 수 있는 나이
- 성인
건강한 자원 봉사자를 받아들입니다
설명
Inclusion Criteria:
- Aged 18-39 years.
- Have regular exercise habits, defined as exercising at least three times per week, with each session lasting no less than 30 minutes. Exercise intensity should reach a heart rate of approximately ≥130 beats/min or a perceived intensity characterized by noticeable breathlessness and sweating.
- Preferably, at least one exercise session per week should include resistance training.
- Participants must be able to consume dairy products and have no lactose intolerance.
Exclusion Criteria:
- Individuals with lactose intolerance or an allergy to dairy products.
- Individuals who are pregnant, planning to become pregnant, or breastfeeding.
- Individuals with a smoking habit.
- Individuals diagnosed by a physician with cardiovascular disease, hypertension, metabolic disease, asthma, or kidney disease.
- Individuals with a body mass index (BMI) ≥27.
- Individuals who have experienced limb or neuromuscular exercise-related injuries within the past 6 months that prevent them from engaging in regular exercise.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 기초 과학
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
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실험적: Dairy intervention group
An 8-week high-protein, high-calcium, and vitamin D-enriched dairy intervention.
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An 8-week high-protein, high-calcium, and vitamin D-enriched dairy intervention.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Questionnaire-based subjective assessment
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Participants' subjective physical sensations, post-exercise fatigue, body image perceptions, and product use experience will be assessed using individual items from a self-administered questionnaire developed for this study.
Questionnaire items may include Likert-scale items, categorical response options, and open-ended responses.
Likert-scale items will be reported separately according to their original response scale, with the minimum and maximum values specified for each item.
Categorical items will be reported as the number and percentage of participants selecting each response option.
Open-ended responses will be summarized descriptively.
No overall questionnaire total score will be calculated.
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Handgrip Strength Test
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Participants performed the test in a standing position with their arms naturally hanging down.
They held the handgrip dynamometer with one hand and applied maximal force continuously for at least 3 seconds.
Each hand was tested three times, and the best value was recorded.
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Push-Up Test
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Participants performed the push-up test on an exercise mat, with both hands placed shoulder-width apart to support the body.
The fingers pointed forward, the elbows were fully extended, and the feet were approximately 10 cm apart.
Male participants performed the test with support from the feet, whereas female participants performed the modified version with support from the knees.
Participants were instructed to complete as many repetitions as possible while maintaining proper form.
The test was terminated when the movement no longer met the required standard or could not be continued.
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Curl-Up Test
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Participants lay supine on an exercise mat with both knees bent and feet flat on the floor. They performed curl-ups according to a fixed rhythm. Participants were instructed to complete as many repetitions as possible while maintaining proper form. When a participant failed to perform the movement correctly once, the examiner raised one hand and indicated the number "one." If the participant failed a second time, the examiner indicated the number "two." The test was terminated when the participant failed twice or completed 75 repetitions. If the participant was unable to maintain the required rhythm or perform the movement according to the standard criteria, the test was stopped. |
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Three-Minute Progressive Step-in-Place Test
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Participants performed step-in-place movements according to the instructions and raised their knees to the designated height. The test lasted for 3 minutes, with an initial cadence of 96 beats per minute, which was progressively increased each minute. During the test, heart rate was recorded using a heart rate monitor before exercise, during exercise, and during the post-exercise recovery period. |
The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Body weight
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Body weight will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported in kilograms (kg).
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Body mass index
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Body mass index (BMI) will be calculated from body weight and height and reported in kilograms per square meter (kg/m^2).
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Body fat percentage
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Body fat percentage will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported as a percentage (%).
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Fat mass
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Fat mass will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported in kilograms (kg).
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Skeletal muscle mass
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Skeletal muscle mass will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported in kilograms (kg).
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Skeletal muscle percentage
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Skeletal muscle percentage will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported as a percentage (%).
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Waist-to-hip ratio
기간: The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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Waist-to-hip ratio will be measured using the InBody 570 bioelectrical impedance analyzer (InBody, Seoul, South Korea) and reported as a ratio.
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The testing time points are set as follows: before the intervention, after 4 weeks of intervention, and after 8 weeks of intervention.
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공동 작업자 및 조사자
수사관
- 수석 연구원: Yi-Ju Hsu, Professor, National Taiwan Sport University
연구 기록 날짜
연구 주요 날짜
연구 시작 (추정된)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- NTSUIRB-115-010
약물 및 장치 정보, 연구 문서
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미국 FDA 규제 기기 제품 연구
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