Faster Back Home: Efficacy of a High-intensity Endurance Training

Study Overview
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Brief Summary
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Sports medical experts recommend considerable amounts of regular physical activity in order to improve strength, motor control, endurance and flexibility. However, only a small share of the population is able to meets the corresponding international guidelines. One reason for this is supposed to consist in private scheduling problems and the high time expenditure. Against this background, high-intensity intermittent training methods with short durations have become popular. The present study aims to evaluate the effectivity of a high -intensity functional circuit training (the FIT15 program) in improving body function. Thirty healthy individuals will be included in the randomized, controlled two-armed parallel group trial. In the intervention group, the participants will perform the FIT15 program, a group-based high-intensity circuit training based on functional movement patterns (e.g. squats, push-ups, burpees, jumps, rope-skipping). The training will be carried out three times a week, each 15 minutes for a total of six weeks. In the control group, the participants will exercise three times a week (in total for six weeks) at moderate intensity on an ergometer according to the cardiopulmonary exercise guidelines of the American College of Sports Medicine. Outcomes assess prior and following the six-week training period encompass body fat and muscle mass (bio impedance analysis), aerobic exercise capacity (spirometric exercise testing including lactate analysis), postural control (force plate), maximum strength of the leg extensors and shoulder muscles (1 repetition maximum) and psychometric variables (e.g. physical activity readiness questionnaire).

Official Title
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Faster Back Home: a Randomized Controlled Equivalence Study on the Efficacy of a High-intensity 15 Minute Aerobic Endurance Training

Conditions
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Healthy

Intervention / Treatment
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* Other: Fit15
* Other: Endurance


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: healthy subscribing informed consent Exclusion Criteria: Drug intake in the past 48 hours Pregnancy Muscle soreness

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Intervention<br> | Other: Fit15<br>* Group-based high-intensity circuit training based on functional movement patterns (e.g. squats, push-ups, burpees, jumps, ropeskipping). Total duration 15 minutes circle training: 20s workout, 10 rest<br>|
| Active Comparator: Comparison<br> | Other: Endurance<br>* Moderate intensity ergometer training. Total duration 50 minutes<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Maximal ventilatory aerobic endurance capacity assessed by spiroergometry |  | 10 min. | 
| Maximal lactate aerobic endurance capacity assessed by spiroergometry |  | 10 min. | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Jumping performance; counter movement jump |  | 1 min. | 
| Dynamic balance assessed with the time to stabilization test |  | 2 min | 
| Static balance assessed with the time to stabilization test |  | 2 min | 
| Maximal isometric voluntary force of the shoulder muscles |  | 10 min | 
| Maximal isometric voluntary force of the lower limb extensors |  | 10 min | 
| body composition assessed with a external non-invasive impedance device |  | 10 min. |