Accelerating Post-exercise Muscle Glycogen Resynthesis in Humans: Impact of Combined Nutrient Intake and Intermittent Pneumatic Compression or Heat Therapy
Studieoversikt
Status
Status
Forhold
Forhold
Intervensjon / Behandling
Intervensjon / Behandling
Studietype
Studietype
Registrering (Faktiske)
Registrering
Fase
Fase
- Ikke aktuelt
Kontakter og plasseringer
Studiesteder
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Indiana
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West Lafayette, Indiana, Forente stater, 47907
- Purdue University, Department of Health & Kinesiology
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Deltakelseskriterier
Kvalifikasjonskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- Subjects will be male and female participants in good health
- 18-35 years of age
- Currently performing cardiovascular or intermittent exercise at a moderate to high intensity at least 5 days per week for 60 minutes or longer per day.
- Understanding of the procedures to be undertaken as part of the study
- Willingness to participate in exercise testing and follow instructions provided by the experimenter
- Informed, voluntary, written consent to participate in the study
Exclusion Criteria:
- History of deep vein thrombosis
- Obesity (BMI > 30 kg/m2)
- Hypertension (resting SBP > 140/90 mmHg)
- Smoking
- Pregnant, planning to become pregnant, or lactating
- Supplements containing antioxidants including vitamin C and E and N-acetyl cysteine
- Any medication
- Lactose intolerance
- Participation in another study within the previous 30 days or in a PepsiCo funded study within the past 6 months.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Grunnvitenskap
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Ingen (Open Label)
Antall våpen
Våpen og intervensjoner
Deltakergruppe / ArmDeltakergruppe / Arm |
Intervensjon / BehandlingIntervensjon / Behandling |
|---|---|
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Eksperimentell: Intermittent pneumatic compression
IPC sleeve device on leg
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From foot to hip/groin on both legs with only 1 leg connected to pneumatic pump for 1 hour
Andre navn:
Prolonged intermittent high intensity running (LIST protocol)
Post-exercise, all participants will receive a beverage containing 1.0 g/kg carbohydrate and 0.3 g/kg protein from the mixture of Gatorade Recover Protein Shake and Gatorade Thirst Quencher
Vastus lateralis muscle in the lower thigh will be obtained by the percutaneous needle technique
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Eksperimentell: Heat therapy
Custom water-circulating garment on leg
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Prolonged intermittent high intensity running (LIST protocol)
Post-exercise, all participants will receive a beverage containing 1.0 g/kg carbohydrate and 0.3 g/kg protein from the mixture of Gatorade Recover Protein Shake and Gatorade Thirst Quencher
Vastus lateralis muscle in the lower thigh will be obtained by the percutaneous needle technique
Custom leg garment with one leg heated by circulating hot water approx 40 degrees C, the other leg approx 32 degrees C (thermoneutral) for 1 hour
|
Hva måler studien?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
Rate of glycogen resynthesis
Tidsramme: Change from baseline to 1.5 hrs and 3.5 hrs post exercise bout. Biopsy 1 post-exercise pre nutrient intake 1 and compression (IPC) or heat, biopsy 2 post compression or heat, pre-nutrition intake 2, biopsy 3 at 210 min. Higher rate is better.
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Leg skeletal muscle glycogen level assessment using assay kit
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Change from baseline to 1.5 hrs and 3.5 hrs post exercise bout. Biopsy 1 post-exercise pre nutrient intake 1 and compression (IPC) or heat, biopsy 2 post compression or heat, pre-nutrition intake 2, biopsy 3 at 210 min. Higher rate is better.
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Muscle functional recovery: Skeletal muscle function
Tidsramme: Change from pre-exercise to post-exercise and prior to biopsies and treatments, and 24 hours post exercise. Less fatigue is better.
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Work fatigue (%) of the knee extensors measured using an isokinetic dynamometer
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Change from pre-exercise to post-exercise and prior to biopsies and treatments, and 24 hours post exercise. Less fatigue is better.
|
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Muscle functional recovery: Perceived muscle soreness
Tidsramme: Change from pre-exercise to post-exercise and prior to biopsies and treatments, and 24 hours post exercise. Less soreness is better.
|
Knee extensor muscle soreness on a visual analog scale (VAS) of 100 mm after stepping on and off a 40 cm (female) or 45 cm (male) box three times
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Change from pre-exercise to post-exercise and prior to biopsies and treatments, and 24 hours post exercise. Less soreness is better.
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
mRNA expression of genes involved in regulation of glucose and glycogen metabolism and muscle functional recovery
Tidsramme: Change from baseline to 1.5 hours and 3.5 hours post exercise bout. Biopsy 1 post-exercise pre- nutrient intake 1 and compression (IPC) or heat, biopsy 2 post compression or heat and pre- nutrition intake 2, biopsy 3 at 210 min. Higher expression better.
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Leg skeletal muscle fiber analysis determined using RT-PCR (Real-time polymerase chain reaction)
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Change from baseline to 1.5 hours and 3.5 hours post exercise bout. Biopsy 1 post-exercise pre- nutrient intake 1 and compression (IPC) or heat, biopsy 2 post compression or heat and pre- nutrition intake 2, biopsy 3 at 210 min. Higher expression better.
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Serum insulin
Tidsramme: Change from post exercise at same time as biopsy 1 (Time 0), biopsy 2 (1.5 hrs) and biopsy 3 (3.5 hrs)
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Blood test using ELISA kit
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Change from post exercise at same time as biopsy 1 (Time 0), biopsy 2 (1.5 hrs) and biopsy 3 (3.5 hrs)
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Serum Glucose
Tidsramme: Change from post exercise at same time as biopsy 1 (Time 0), biopsy 2 (1.5 hrs) and biopsy 3 (3.5 hrs
|
Blood test using ELISA kit
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Change from post exercise at same time as biopsy 1 (Time 0), biopsy 2 (1.5 hrs) and biopsy 3 (3.5 hrs
|
Samarbeidspartnere og etterforskere
Sponsor
Sponsor
Etterforskere
Etterforskere
- Hovedetterforsker: Bruno Roseguini, PhD, Purdue University
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Studiestart
Primær fullføring (Faktiske)
Primær fullføring
Studiet fullført (Faktiske)
Studiet fullført
Datoer for studieregistrering
Først innsendt
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Først lagt ut
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Sist oppdatering lagt ut
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
Andre studie-ID-numre
- PEP-1723
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
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