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Maintaining Muscle Mass Gains

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02621346
Recruitment Status : Unknown
Verified October 2016 by Alison Divine, Western University, Canada.
Recruitment status was:  Not yet recruiting
First Posted : December 3, 2015
Last Update Posted : November 1, 2016
Sponsor:
Information provided by (Responsible Party):
Alison Divine, Western University, Canada

Brief Summary:
Mental imagery is effective for improving motor skills as well as increasing muscles strength and size. Strength is also maintained after immobilization of a muscles when engaging in imagery. This may have important implications for rehabilitation settings and for sedentary individuals. We may not be able to get people wot exercise but if they can maintain muscles size and strength via imagery this may have beneficial health and functional outcomes.

Condition or disease Intervention/treatment Phase
Using Imagery to Maintain Muscle Mass Gains in the Quadriceps Behavioral: Imagery Behavioral: Muscle Maintenance Behavioral: Bicep Curls Phase 2

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 60 participants
Allocation: Randomized
Intervention Model: Factorial Assignment
Masking: Single (Participant)
Official Title: Maintaining Muscle Mass Gains
Study Start Date : January 2017
Estimated Primary Completion Date : April 2018
Estimated Study Completion Date : April 2018

Arm Intervention/treatment
Experimental: Imagery Group
The imagery group, will sit on the leg press and image completing 3 sets of leg press. The imagery group will be asked to fill out the Movement Imagery Questionnaire -revised as this gives us a measure of imagery ability. The imagery group will be given an imagery script prior to imaging. Weekly manipulation checks will be completed to ensure that participants are imagining what they are supposed to.
Behavioral: Imagery
Prior to exercising participants will be given an imagery script. Afterwards, participants will imagine completing the leg press.

Active Comparator: Maintenance Group
The maintenance group will continue to perform the leg press three times per week at 1/3rd of final strength assessment. This is the percentage of intensity recommended to maintain muscle mass and strength gains by the American College of Sports Medicine.
Behavioral: Muscle Maintenance
Participants complete the leg press exercises at an intensity that promotes muscle maintenance but not muscle growth

Active Comparator: Control Group
Control group will come in 3 times per week for 20 minutes and complete 3 sets of 8-12 of a bicep curl 1/3 of predicted 1 RM
Behavioral: Bicep Curls
Control group participants will complete a bicep exercise at a maintenance training intensity.




Primary Outcome Measures :
  1. Muslce mass (grams) determined by the DEXA body scan. [ Time Frame: 4 weeks ]

Secondary Outcome Measures :
  1. Muscle strength [ Time Frame: 4 weeks ]


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 35 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Between the ages of 18 of 35. Inclusion criteria is untrained individuals (no history of weight or cardio training) and free of physical disease or orthopedic limitations.

Exclusion Criteria:

  • Exclusion criteria includes cognitive impairment leading to the inability to image, orthopaedic illness or injury that prevents engaging in leg exercises and pregnant women due to the radiation rom the DEXA scan.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02621346


Locations
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Canada, Ontario
Exercise and health Psychology Lab
London, Ontario, Canada, N6A 3K7
Contact: Alison Divine, PhD (Candidate)    519 661 2111    adivine@uwo.ca   
Sponsors and Collaborators
Western University, Canada

Publications:
Cumming, J., & Ramsey, R. (2009). Imagery interventions in sport. In S.D Mellalieu & S. Hanton (Eds.)., Advances in applied sport psychology: A review (pp.5-36). London: Routledge
Holmes, P. S., & Collins, D. J. (2001). The PETTLEP approach to motor imagery: A functional equivalence model for sport psychologists. Journal of Applied Sport Psychology, 13, 60-83.
Yao, G. H., Wilson, S. L., Cole, K.J., Darline, W.G., Tuh, W. T. C. (1996). Imagined muscle contraction training increases voluntary neural drive to muscle. Journal of Pscyhophysiology, 10, 198-208.

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Responsible Party: Alison Divine, PhD Candidate, Western University, Canada
ClinicalTrials.gov Identifier: NCT02621346    
Other Study ID Numbers: HSREB 107286
First Posted: December 3, 2015    Key Record Dates
Last Update Posted: November 1, 2016
Last Verified: October 2016
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: Individual participant data will provided to each participant at the end of the study.