NCT00575107CompletedNot Applicable
A System for Lengthening Contraction Training of Muscle
University of Michigan1 site in 1 country36 target enrollmentStarted: September 1, 2007Last updated:
Conditions
Interventions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Completed
- Sponsor
- University of Michigan
- Enrollment
- 36
- Locations
- 1
- Primary Endpoint
- Leg strength
Study Overview
Brief Summary
Evaluation of a new exercise machine designed to improve strength and speed of movement in the leg muscles. Investigators are trying to learn whether a new training method results in greater strength improvements as compared to a traditional method.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Prevention
- Masking
- None
Eligibility Criteria
- Ages
- 65 Years to 80 Years (Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •able to exercise 3 times per week for 16 weeks at Mobility Research Center
Exclusion Criteria
- •under- or overweight
- •chronic disease that limits ability to exercise
- •hips and legs limited by arthritis or pain
- •presently engaged in a strenuous exercise program
- •planned absence greater than one week.
Arms & Interventions
VSC-VLC
Experimental
velocity-controlled variable resistance, lengthening contraction
Intervention: Exercise (Other)
SC
Active Comparator
Constant weight shortening contraction
Intervention: Exercise (Other)
Outcomes
Primary Outcomes
Leg strength
Time Frame: 16 weeks
Secondary Outcomes
- Ability to rise from a chair(16 weeks)
Investigators
Study Sites (1)
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