Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
30 participants
INTERVENTIONAL
2017-07-01
2019-05-30
Brief Summary
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Detailed Description
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Design: Parallel, randomized controlled trial.
Participants: 30 (n=15 YOG, n=15 PLA) healthy, untrained university-aged males.
Methods: Subjects will undergo a 12-week resistance and plyometric training program (exercising 3 days/week). The YOG group will consume a 200g dose (pro= 20g, carbs= 8 grams, \~110 kcals) of plain 0% Greek yogurt, while the PLA group will consume an isoenergetic, protein-void beverage comprised mainly of maltodextrin (pro= 0g, carbs= 26g, \~110 kcals). Each group will consume 3 doses per day (immediately and 1 hour post-exercise, and bedtime). Markers of bone health (CTx and P1NP) will be taken at baseline, 1 week and 12 weeks to determine acute and total changes. Muscle size, body composition, strength, vertical jump height and nutritional diaries will be measured pre and post intervention and habitual diet maintenance will be encouraged throughout the intervention.
Anticipated Results: It is hypothesized that each group will undergo positive changes in the aforementioned measures, however due to the increase in protein and calcium consumption, the yogurt group is predicted to have significantly greater increases in these variables than the placebo group.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Yogurt Group
Group will be consuming 200g of Greek Yogurt (Plain, 0%) 3 times daily for 12 weeks
Resistance and Plyometric Exercise
12 weeks of Resistance (twice weekly) and Plyometric (once weekly) training
Greek Yogurt (0% Plain)
200g 3x/day for 12 weeks.
Study Designed Supplement Group
Group will consume an isoenergetic, protein void, maltodextrin-based placebo supplement during the same time points for 12 weeks as well. The Placebo contain maltodextrin and pudding powder to mimic the consistency of Greek yogurt.
Resistance and Plyometric Exercise
12 weeks of Resistance (twice weekly) and Plyometric (once weekly) training
Placebo - Study Designed Supplement
Iso-energetic to yogurt. 3x/day for 12 weeks.
Interventions
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Resistance and Plyometric Exercise
12 weeks of Resistance (twice weekly) and Plyometric (once weekly) training
Greek Yogurt (0% Plain)
200g 3x/day for 12 weeks.
Placebo - Study Designed Supplement
Iso-energetic to yogurt. 3x/day for 12 weeks.
Eligibility Criteria
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Inclusion Criteria
* Age 18-25 years
* Normal BMI (18.5-24.9) kg/m2
* Have not participated in a resistance training program (of resistance exercise at least 2x/week or more) in the last 6 months
* Healthy and not taking any medication affecting muscle or bone
* Not supplementing with vitamins/ minerals or protein
* Speak and understand English
* No dairy allergy or lactose intolerance
18 Years
25 Years
MALE
Yes
Sponsors
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Brock University
OTHER
Responsible Party
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Andrea Josse
Assistant Professor
Principal Investigators
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Andrea Josse, PhD
Role: PRINCIPAL_INVESTIGATOR
Brock University
Locations
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Brock University
St. Catharines, Ontario, Canada
Countries
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References
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Bridge A, Brown J, Snider H, Nasato M, Ward WE, Roy BD, Josse AR. Greek Yogurt and 12 Weeks of Exercise Training on Strength, Muscle Thickness and Body Composition in Lean, Untrained, University-Aged Males. Front Nutr. 2019 Apr 30;6:55. doi: 10.3389/fnut.2019.00055. eCollection 2019.
Related Links
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Published Manuscript
Other Identifiers
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REB16-295
Identifier Type: -
Identifier Source: org_study_id
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