Resistance Training With Milk Supplementation in Adolescents
Effects of Resistance Training With Milk Supplementation on Body Composition in Middle School Children
Descripción general del estudio
Estado
Intervención / Tratamiento
Descripción detallada
Tipo de estudio
Inscripción (Anticipado)
Fase
- No aplica
Contactos y Ubicaciones
Ubicaciones de estudio
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Kansas
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Kansas City, Kansas, Estados Unidos, 66160
- University of Kansas Medical Center
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
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.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Prevención
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Ninguno (etiqueta abierta)
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
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Comparador de placebos: Agua
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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. |
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Experimental: Leche
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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. |
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Experimental: Juice
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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. |
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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Body Composition
Periodo de tiempo: 6 months
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Changes in body composition will be evaluated by measuring the change in percent body fat, total fat mass, and total lean mass by DEXA
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6 months
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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Blood lipids, glucose, and insulin
Periodo de tiempo: 6 months
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Blood samples will be collected for the purpose of measuring triglycerides, total cholesterol, HDL-cholesterol, glucose and insulin.
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6 months
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Joseph Donnelly, Ed.D, University of Kansas
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Palabras clave
Otros números de identificación del estudio
- 11935 (Identificador de registro: DAIDS ES Registry Number)
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Ensayos clínicos sobre Composición corporal
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