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Behavioral Intervention

High-Intensity Functional Training for Healthy Individuals (HIFT Trial)

N/A
Recruiting
Research Sponsored by University of South Carolina
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Males and females between the ages of 18 and 35 (inclusive) and enrolled in a reserve officer training corps program
Subject has a 'Good' category or greater for their aerobic capacity according to the American College of Sports Medicine (ACSM) normative data for their age and sex as measured at their baseline visit
Must not have
Participants with any musculoskeletal injuries that would prevent completion of these exercise programs
Participants with any metabolic disorder, including known electrolyte abnormalities, uncontrolled diabetes, uncontrolled thyroid disease, adrenal disease, or hypogonadism
Timeline
Screening 3 weeks
Treatment Varies
Follow Up baseline and week 10
Awards & highlights

Summary

This trial aims to compare the effects of high-intensity functional training (HIFT) with traditional resistance training (RT) and a combination of RT and high-intensity interval training (HIIT) on

Who is the study for?
This trial is for healthy tactical personnel interested in improving physical performance, body composition, and readiness. Participants should be currently active in their field without any medical conditions that limit intense exercise.
What is being tested?
The study compares high-intensity functional training (HIFT) with traditional resistance training (RT) and a combination of RT and high-intensity interval training (HIIT). It measures the impact on fitness levels, body shape changes, and mental/physical preparedness.
What are the potential side effects?
Potential side effects may include muscle soreness, fatigue, joint pain or injury due to the intensity of workouts. Proper supervision aims to minimize risks.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I am between 18 and 35 years old and enrolled in a reserve officer training corps program.
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My aerobic fitness is rated 'Good' or higher for my age and sex.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I don't have injuries that stop me from completing exercise programs.
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I do not have uncontrolled diabetes, thyroid, adrenal diseases, or any severe electrolyte imbalances.
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I have a history of liver, kidney, muscle, autoimmune, or nerve disease.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~baseline and week 10
This trial's timeline: 3 weeks for screening, Varies for treatment, and baseline and week 10 for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Changes in body composition body fat percentage.
Changes in body composition dry fat-free mass.
Changes in body composition fat-free mass.
+5 more
Secondary study objectives
Changes in anaerobic power.
Changes in training distress
Internal training load between groups.

Trial Design

3Treatment groups
Experimental Treatment
Active Control
Group I: High Intensity Functional TrainingExperimental Treatment1 Intervention
Training will include power and strength movements, then 30 minutes of metabolic conditioning training comprised of whole-body multi-joint movements.
Group II: Traditional Resistance TrainingActive Control1 Intervention
This group will perform traditional resistance training.
Group III: Concurrent TrainingActive Control1 Intervention
This group will perform traditional resistance training followed by 20 minutes of running, high intensity intervals.

Find a Location

Who is running the clinical trial?

University of South CarolinaLead Sponsor
217 Previous Clinical Trials
121,317 Total Patients Enrolled
National Strength and Conditioning AssociationUNKNOWN
2 Previous Clinical Trials
62 Total Patients Enrolled
~32 spots leftby Jan 2026
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