Resistance Training and Hydrolyzed Collagen Supplementation in Healthy Young Adults
NCT ID: NCT06372080
Last Updated: 2024-04-17
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
23 participants
INTERVENTIONAL
2020-01-06
2023-03-31
Brief Summary
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The main questions it aims to answer are:
* Does resistance training with hydrolyzed collagen ingestion lead to greater changes in tendon properties than resistance training alone?
* Does resistance training with hydrolyzed collagen ingestion lead to greater changes in muscle size than resistance training alone?
Participants will be randomly assigned to collagen or placebo groups. Participants will perform resistance training three times per week for 10 weeks and hydrolyzed collagen or maltodextrin will be given to collagen or placebo group respectively immediately before each resistance training session. Also, vitamin C will be given to both groups.
Researchers will compare collagen and placebo groups to see if hydrolyzed collagen ingestion with resistance exercise would have beneficial effects on changes in muscle and tendon more than resistance training alone. Therefore, using isokinetic dynamometer and ultrasonography, maximal leg strength, morphological, mechanical, and material properties of the patellar tendon and vastus lateralis muscle size and architecture will be assessed.
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Detailed Description
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The aim of this study is to investigate the effect of combining hydrolyzed collagen supplementation with resistance training in young men and women. If supplementation with hydrolyzed collagen leads to a greater change in tendon size, stiffness, and Young's modulus than resistance training alone, this will allow us to recommend this type of intervention to young athletes seeking to improve tendon health and/or athletic performance.
The experimental design and measurements will be the same in the Arm 1 and Arm 2 but the differences will be sex where participants in Arm 1 will be healthy young men while participants in Arm 2 will be healthy young women.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
BASIC_SCIENCE
SINGLE
Study Groups
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Resistance training with hydrolyzed collagen ingestion in healthy young men
Healthy young men, pair-matched by age, body mass, height, and baseline strength, will be randomly allocated to the collagen (COL) or placebo (PLA) group.
Pre- and post-training assessments are patellar tendon properties, maximal knee flexor and extensor strengths and vastus lateralis muscle morphology using an isokinetic dynamometer and ultrasound scan.
Participants will perform the 10-week progressive resistance training program three times per week and training loads will be adjusted weekly based on the prior session's performance.
In each session, two different calorie-matched beverages were given immediately before the start of resistance training. 30 grams of hydrolyzed collagen (HC) and 30.5 grams of maltodextrin were used for COL and PLA respectively. HC or maltodextrin was mixed with 250 milliliters of water, 50 milligrams of vitamin C and 3 grams non-caloric sweetener which was used to mask flavour in an opaque bottle.
Resistance training with hydrolyzed collagen ingestion in healthy young men
Participants in this intervention will be healthy young men. The information of nutritional supplements is below.
Hydrolyzed collagen: 30 grams unflavored hydrolysed collagen (HC) (Myprotein, Cheshire, UK) 30.5 grams unflavored maltodextrin (Myprotein, Cheshire, UK) 50 milligrams vitamin C powder (Holland and Barrett Retail Limited, Warwickshire, UK) 3 grams non-caloric sweetener (Truvia®, SilverSpoon, London, UK)
Resistance training with hydrolyzed collagen ingestion in healthy young women
The intervention procedure is the same as for Arm 1 except that the participants will be healthy young women (not men).
Resistance training with hydrolyzed collagen ingestion in healthy young women
Participants in this intervention will be healthy young women. The same nutritional supplements in Arm 1 wil be used in Arm 2.
Interventions
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Resistance training with hydrolyzed collagen ingestion in healthy young men
Participants in this intervention will be healthy young men. The information of nutritional supplements is below.
Hydrolyzed collagen: 30 grams unflavored hydrolysed collagen (HC) (Myprotein, Cheshire, UK) 30.5 grams unflavored maltodextrin (Myprotein, Cheshire, UK) 50 milligrams vitamin C powder (Holland and Barrett Retail Limited, Warwickshire, UK) 3 grams non-caloric sweetener (Truvia®, SilverSpoon, London, UK)
Resistance training with hydrolyzed collagen ingestion in healthy young women
Participants in this intervention will be healthy young women. The same nutritional supplements in Arm 1 wil be used in Arm 2.
Eligibility Criteria
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Inclusion Criteria
* No history of patellar tendon injuries in the past 6 months
* No history of lower limb musculoskeletal injuries in the past 6 months
* Non-smokers (including e-cigarettes)
* Free from cardiovascular and metabolic diseases
* Nullipara (a woman who has never given birth)
Exclusion Criteria
* Being vegan or vegetarian (due to the mammalian source of collagen)
* Consumption of nutritional supplementation that purportedly affects muscle-tendon adaptation or recovery (i.e. protein powder, vitamin C, collagen)
* BMI over 30 kg/m2
* Previous anterior cruciate ligament injury where the patellar tendon was used as a graft
18 Years
39 Years
ALL
Yes
Sponsors
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Liverpool John Moores University
OTHER
Responsible Party
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Locations
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Research Institute for Sport and Exercise Sciences
Liverpool, Merseyside, United Kingdom
Countries
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Other Identifiers
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19/SPS/054
Identifier Type: -
Identifier Source: org_study_id
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