Resistance Training With Milk Supplementation in Adolescents
Effects of Resistance Training With Milk Supplementation on Body Composition in Middle School Children
Tutkimuksen yleiskatsaus
Tila
Interventio / Hoito
Yksityiskohtainen kuvaus
Opintotyyppi
Ilmoittautuminen (Odotettu)
Vaihe
- Ei sovellettavissa
Yhteystiedot ja paikat
Opiskelupaikat
-
-
Kansas
-
Kansas City, Kansas, Yhdysvallat, 66160
- University of Kansas Medical Center
-
-
Osallistumiskriteerit
Kelpoisuusvaatimukset
Opintokelpoiset iät
Hyväksyy terveitä vapaaehtoisia
Sukupuolet, jotka voivat opiskella
Kuvaus
Inclusion Criteria:
- Middle school student (Grades 7-9)
- BMI > 50th percentile - < 98th percentile
- No resistance training in the past 6 months.
- Endurance training (running, cycling, swimming, walking for exercise etc) not more than 3 hr per week, as assessed by screening questionnaire.
- Weight stable (+/- 4.5kg) for 3 months prior to intake.
- Willing to be randomized to one of the 3 study groups.
Exclusion criteria:
- Individuals with contraindications based on review of health history by the investigators, including blood pressure, lipid profile, glucose, and insulin, and abnormal values obtained in a 24 item blood panel, such as electrolytes, liver function, etc. These individuals will be referred to their primary care physician for further evaluation and to obtain permission to participate. The following cut-points will be used for cardiovascular and metabolic parameters: dyslipidemia- lipids (cholesterol > 240 mg/L; triglycerides >500 mg/L), hypertension- systolic blood pressure > 140 mmHG or diastolic blood pressure > 90 mmHG, diabetes - fasting glucose from venous plasma fasting glucose > 126 mg/dL.
- Medications that could affect metabolism such as cardiac drugs, thyroid, steroids, insulin, beta blockers, SSRI's, birth control pills, etc.
- Current use of smoking/tobacco products or initiation of smoking/tobacco during the study.
- Eating disorders as determined by screening questionnaire
- Adherence to specialized diet regimes, vegetarian, macrobiotic, etc.
- Food allergies, particularly lactose intolerance.
- Treatment for psychiatric illness of chemical dependency within the previous 6 months.
- Pregnancy or lactation.
- Dietary intake of ≤800 mg calcium and ≤1 servings of milk per day as assessed from 3 -24 hr diet recalls (2 week-days, 1 week-end day) conducted at baseline.
Opintosuunnitelma
Miten tutkimus on suunniteltu?
Suunnittelun yksityiskohdat
- Ensisijainen käyttötarkoitus: Ennaltaehkäisy
- Jako: Satunnaistettu
- Inventiomalli: Rinnakkaistehtävä
- Naamiointi: Ei mitään (avoin tarra)
Aseet ja interventiot
Osallistujaryhmä / Arm |
Interventio / Hoito |
|---|---|
|
Placebo Comparator: Vesi
|
On resistance training days, the RT+ milk group will receive milk (280kcals) immediately following exercise and milk at another time during the day. The RT+ juice group will receive fruit juice immediately following resistance exercise and juice again another time during the day. The RT+ water group will receive water following resistance exercise and water at another time during the day. On non training days, students in the RT+ milk group will receive milk. Students in the RT+ juice group will receive juice. The RT+ water group will receive water during the school day. On non-RT days, the total volume of milk, juice, or water will be split into two administration times during the school day. |
|
Kokeellinen: Maito
|
On resistance training days, the RT+ milk group will receive milk (280kcals) immediately following exercise and milk at another time during the day. The RT+ juice group will receive fruit juice immediately following resistance exercise and juice again another time during the day. The RT+ water group will receive water following resistance exercise and water at another time during the day. On non training days, students in the RT+ milk group will receive milk. Students in the RT+ juice group will receive juice. The RT+ water group will receive water during the school day. On non-RT days, the total volume of milk, juice, or water will be split into two administration times during the school day. |
|
Kokeellinen: Juice
|
On resistance training days, the RT+ milk group will receive milk (280kcals) immediately following exercise and milk at another time during the day. The RT+ juice group will receive fruit juice immediately following resistance exercise and juice again another time during the day. The RT+ water group will receive water following resistance exercise and water at another time during the day. On non training days, students in the RT+ milk group will receive milk. Students in the RT+ juice group will receive juice. The RT+ water group will receive water during the school day. On non-RT days, the total volume of milk, juice, or water will be split into two administration times during the school day. |
Mitä tutkimuksessa mitataan?
Ensisijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
|
Body Composition
Aikaikkuna: 6 months
|
Changes in body composition will be evaluated by measuring the change in percent body fat, total fat mass, and total lean mass by DEXA
|
6 months
|
Toissijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
|
Blood lipids, glucose, and insulin
Aikaikkuna: 6 months
|
Blood samples will be collected for the purpose of measuring triglycerides, total cholesterol, HDL-cholesterol, glucose and insulin.
|
6 months
|
Yhteistyökumppanit ja tutkijat
Sponsori
Yhteistyökumppanit
Tutkijat
- Päätutkija: Joseph Donnelly, Ed.D, University of Kansas
Opintojen ennätyspäivät
Opi tärkeimmät päivämäärät
Opiskelun aloitus
Ensisijainen valmistuminen (Todellinen)
Opintojen valmistuminen (Todellinen)
Opintoihin ilmoittautumispäivät
Ensimmäinen lähetetty
Ensimmäinen toimitettu, joka täytti QC-kriteerit
Ensimmäinen Lähetetty (Arvio)
Tutkimustietojen päivitykset
Viimeisin päivitys julkaistu (Arvio)
Viimeisin lähetetty päivitys, joka täytti QC-kriteerit
Viimeksi vahvistettu
Lisää tietoa
Tähän tutkimukseen liittyvät termit
Muut tutkimustunnusnumerot
- 11935 (Rekisterin tunniste: DAIDS ES Registry Number)
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