The Influence of Movement Velocity Biofeedback on Muscle Activation and Self Perception in Older Adults With Sarcopenia
NCT ID: NCT06853275
Last Updated: 2025-05-01
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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NOT_YET_RECRUITING
NA
60 participants
INTERVENTIONAL
2025-05-31
2027-12-31
Brief Summary
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* What is the impact of external focus (providing velocity of movement for each repetition) compared to internal focus (i.e., no cues, control group) on physical percent velocity loss and neuromuscular activation in older adults with sarcopenia?
* Does internal and external focus influence motivation and perceptual workload following resistance training in older adults with sarcopenia?
Researchers will compare external focus to internal focus to see if external focus impacts percent velocity loss, motivation, and perceived workload.
Participants will:
* Visit the lab once per week for 3 weeks
* Perform exercise testing using a leg press
* Answer questionnaires regarding perceived workload and motivation before and after exercise
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
NONE
Study Groups
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External Focus
Experimental: External Focus
Participants will perform a short, standardized warm-up (1 set of 10 repetitions of 20% of the participant's estimated 1-repetition maximum). Following the warm-up, participants will perform 30 repetitions using 50% of their estimated 1-repetition maximum on a leg press machine. Participants will receive visual feedback from a linear position transducer for each repetition, indicating the speed of the last repetition/movement.
Internal Focus
Other: Internal Focus
Arm Description: Participants will perform a short, standardized warm-up (1 set of 10 repetitions of 20% of the participant's estimated 1RM). Following the warm-up, participants will perform 30 repetitions using 50% of their estimated 1-repetition maximum on a leg press machine. Participants will NOT receive visual feedback for each repetition. This is the control condition.
Interventions
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Experimental: External Focus
Participants will perform a short, standardized warm-up (1 set of 10 repetitions of 20% of the participant's estimated 1-repetition maximum). Following the warm-up, participants will perform 30 repetitions using 50% of their estimated 1-repetition maximum on a leg press machine. Participants will receive visual feedback from a linear position transducer for each repetition, indicating the speed of the last repetition/movement.
Other: Internal Focus
Arm Description: Participants will perform a short, standardized warm-up (1 set of 10 repetitions of 20% of the participant's estimated 1RM). Following the warm-up, participants will perform 30 repetitions using 50% of their estimated 1-repetition maximum on a leg press machine. Participants will NOT receive visual feedback for each repetition. This is the control condition.
Eligibility Criteria
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Inclusion Criteria
* Physically independent
* Free of severe mental impairment
* Score 4 or greater on the SARC-F sarcopenia questionnaire
Exclusion Criteria
* Had a lower extremity injury or surgical intervention within the past 6 months
* Have neuromuscular (i.e., Parkinson's Disease, Multiple Sclerosis), circulatory, or edema pathology
60 Years
95 Years
ALL
No
Sponsors
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Foundation for Physical Therapy Research
OTHER
Creighton University
OTHER
Responsible Party
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Locations
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Creighton University
Omaha, Nebraska, United States
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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2005068
Identifier Type: -
Identifier Source: org_study_id
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