Development of a Power Training Program to Improve Mobility in Older Veterans

Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age65+
SponsorVA Office of Research and Development

About this trial

The overall purpose of this study is to develop a power training intervention in partnership with Veterans participating in Gerofit and to evaluate the program's acceptability, feasibility, and preliminary participant outcomes (leg power, physical function and self-report participation).

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Veteran

new enrollees of the Rocky Mountain Regional Gerofit Program

ability to function independently in a group setting

Disqualifiers

inability to perform basic activities of daily living

oxygen dependency

unstable cardiac disease

moderate to severe cognitive impairment (Montreal cognitive assessment scores < 24)

Trial design

Design model

Parallel

Treatments tested in this trial

  • Gerofit Power Training

    Other intervention

    Gerofit Power Training will include a power training exercise prescription which will focus on having participants perform concentric portions of each resistance exercise as fast and as safely as possible with the eccentric component performed in a slow and controlled manner. The target dose of the power training intervention is 40-60% of the participant's 1-repetition maximum for 4-6 repetitions across 3-6 sets for each exercise. Exercises will focus on the major groups of the upper and lower body. All other Gerofit program components (balance, aerobic, and flexibility) will be consistent with the standard of care group. Sessions will be the same duration as the standard of care Gerofit group (60-75 minutes). The power training and standard of care groups will only differ in the form of resistance training performed.

  • Gerofit Standard of Care

    Other intervention

    Gerofit standard of care is a 60-75 minute multimodal exercise program which includes 20-30 minutes of aerobic training, traditional strength training of the major upper and lower body muscle groups (1-3 sets of 8-12 repetitions at moderate load), flexibility training and balance training.

Treatment groups

30 Participants
are divided into 2 treatment groups
Group A: Gerofit Power Training InterventionExperimental treatment 1 intervention
Group B: Gerofit Standard of CareActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Adherence- proportion of Gerofit exercise sessions attended

Adherence will be measured as a proportion of the number of sessions attended out of the number prescribed per protocol.

Time frame
assessed at 3-months (primary endpoint) and 6 months in both intervention and standard of care groups

Secondary outcomes

1

Retention- proportion of Veterans completing the study

Retention will be tracked as part of feasibility and to inform a future trial. Retention will be measured as the proportion of Veterans who complete all outcome measure timepoints out of the total who complete baseline measures.

Time frame
assessed at 3-months (primary) and 6 months
2

Feasibility of the Gerofit exercise program

Feasibility will be measured through a validated survey: Feasibility of Intervention Measure which consists of 4 items rated on a 5-point Likert scale ranging from (1) completely disagree to (5) complete agree. Higher scores indicate greater feasibility of the program. Measure will only be collected in the intervention group.

Time frame
assessed at 3-months (primary) and 6 months
3

Acceptability of the Gerofit exercise program

Acceptability will be measured through a validated survey: Theoretical Framework of Acceptability Measure which consists of 8 items rated on a 5-point Likert scale ranging from (1) did not like, high burden to (5) strongly liked, low burden. Higher scores indicate greater acceptability of the program. Measure will only be collected in the intervention group.

Time frame
assessed at 3-months (primary) and 6 months
4

Leg Press Power

Leg power will be evaluated using previously validated methods in older adults at 40% and 70% of the Veterans 1-repetition maximum over 5 repetitions. Scores are continuous, higher scores indicate greater leg power (better outcome).

Time frame
baseline, 3-months and 6 months

Other outcomes

Sponsors and contacts

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