| Registry | NCT06976060 |
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| Status | Completed |
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| Phase | Not applicable |
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| Study type | Interventional; na, single group, masking: none, prevention |
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| Enrollment | 6 (Actual) |
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| Sponsor | Creighton University (Other) |
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| Conditions | Age-related Strength Loss |
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| Interventions | High-Intensity Interval Training (Behavioral) |
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| Dates | start 2025-06-03, primary completion 2025-08-07, completion 2025-08-07, first posted 2025-05-16, last updated 2025-09-22 |
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| Locations | 1 site in United States |
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Related Papers Related Patents Related Grants Related Experts
All trials for Age-related Strength Loss All trials of High-Intensity Interval Training
-Summary
This study will deliver a 9 week high intensity interval training (HIIT) class using functional movements within a community based gym. The class will be twice a week. Outcomes are focused on cardiovascular endurance, balance, strength and muscle size and muscle quality changes. The outcomes will be assessed weekly.
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+Detailed description
We will measure cardiovascular endurance (2-minute Step Test; 2MST), balance (Functional Gait Assessment; FGA), muscular strength (Grip Strength and 5 times sit-to-stand; 5xSTS) and muscle size (thickness) and quality (echo intensity) on a weekly basis over the 9 week HIIT class.
+Arms and interventions
| Arm | Type | Interventions | Description |
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| High-Intensity Interval Training | Experimental | Behavioral: High-Intensity Interval Training | |
- High-Intensity Interval Training (Behavioral): High-intensity interval training (HIIT) sessions will occur twice per week, on non-consecutive days. Each training session will last 45-60 minutes and consist of eight functional movement exercises incorporating the entire body (upper body, lower body, core/stability, cycling, and agility). Participants will complete two rounds of the 8-exercise circuit with 2-minutes of rest between rounds. The load/resistance used for each exercise will be self-selected by the participants that equates to 15-18 on the RPE scale. During each round, participants will have 1 minute to complete as many repetitions as possible of a given exercise and then have 1 minute of rest before completing the next exercise - giving the participants a 1:1 exercise-to-rest ratio.
+Outcome measures
Primary outcomes
- 2-minute Step Test Performance [Baseline and weekly over the 9 week intervention]: Cardiovascular endurance metric, number of repetitions a single leg is able to complete in 2 minutes.
Secondary outcomes
- Functional Gait Asssessment [Baseline and weekly over the 9 week intervention]: Balance metric, reporting the score out of 30 points
- 5 times sit to stand [Baseline and weekly over the 9 week intervention]: Lower extremity muscular strength. Recording the amount of time to complete 5 sit to stand repetitions.
- Grip Strength [Baseline and weekly over the 9 week intervention]: Upper Extremity Strength assessment. Peak grip strength measured with hand held dynamometer.
- Muscle Thickness [Baseline and weekly over the 9 week intervention]: Muscle thickness will be recorded via ultrasound
- Muscle Echo Intensity [Baseline and weekly over the 9 week intervention]: Ultrasound images of the vastus lateralis will be obtained and echo intensity for the muscle will be assessed.
+Eligibility
Sex: All, ages: 50 Years to 95 Years, accepts healthy volunteers
Inclusion Criteria:
* no contraindications to exercise (PAR-Q+)
* do not have severe mental impairment (>14 on the SAGE)
* ability to walk 100 ft without the use of an assistive device
+Locations (1)
| Facility | City | Country | Status |
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| UNMC Engage Wellness Medical Fitness Center | Omaha, Nebraska | United States | |