Investigate the Relationship Between Exercise Training and Recovery Ratio to Improve Physical Performance and Health Status
NCT ID: NCT05893641
Last Updated: 2024-02-23
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
PHASE3
200 participants
INTERVENTIONAL
2023-06-01
2025-07-31
Brief Summary
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This study will assess whether extending recovery periods between exercise sessions and reducing the volume of exercise training can enhance the recovery process and enhance performance and health-related markers, relative to a control group.
One hundred-fifth young males will be recruited to participate in a single-center, parallel-group, randomized, well-controlled, superiority trial for 8 weeks of high-volume exercise training.
A single-center, parallel-group, randomized, well-controlled, superiority trial will be conducted among 150 physically active young males. Participants will undergo an 8-week high-volume exercise during base training program, which they will be randomly assigned to one of three groups: (1) a control group, which will follow the standard exercise regimen of 35 hours/week (n = 50); (2) a less exercise volume group, which will reduce exercise volume by 15% to 30 hours/week (n = 50); and (3) an extended recovery group, which will perform the same volume of exercise as the control group (35 hours/week), but with longer recovery intervals between exercises (n = 50). The intervention will take place at the Ministry of Defense training platform.
All study measurements will be taken at baseline and throughout the study. Body composition will be assessed using multichannel bioelectrical impedance (Seca). Continuously monitor (Garmin) will be used to evaluate heart rate and heart rate variability. Fasting blood samples will be used to examine inflammatory, lipid, glycemic, and endocrine markers. Physical performance will be assessed by several validated assessments, including handgrip, maximal voluntary contraction, Wingate test, Isometric Mid-Thigh Pull (IMTP), counter movement jump (CMJ) and maximal oxygen consumption (VO2max).
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Detailed Description
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Secondary aims will include: (1) To determine the effect of different recovery strategies during 8 weeks of well-controlled, high-volume, large-scale, exercise training on body strength (a), aerobic capacity (b), and body composition (c).
After baseline measurements, participants will be randomized 1:1:1 into one of three groups for 8 weeks: (1) a control group, which will follow the standard exercise regimen of 35 hours/week (n = 50); (2) a less exercise volume group, which will reduce exercise volume by 15% to 30 hours/week (n = 50); and (3) an extended recovery group, which will perform the same volume of exercise as the control group (35 hours/week), but with longer recovery intervals between exercises (n = 50).
Changes in health indices will be assessed by cardiometabolic, endocrine, and immune blood markers and body composition assessment at baseline (T0) after, 4 (T4), and 8 (T8) weeks of the intervention. Aerobic capacity, anaerobic threshold, and strength measurements will be used to determine changes in performance at T0, T4, and T8.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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A regular training volume
They will maintain their training volume of 35 h/week
A regular training volume
Participate will maintain their training volume of 35 h/week
A lower exercise volume group
They will conduct 85% of the control group weekly training volume (i.e., 30h/week)
A lower exercise volume group
Participate will conduct 85% of the control group weekly training volume (i.e., 30h/week)
A longer rest group
They will maintain the 35 h/week of exercise training, but with longer rest between exercise sessions
A longer rest group
Participate will maintain the 35 h/week of exercise training
Interventions
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A regular training volume
Participate will maintain their training volume of 35 h/week
A lower exercise volume group
Participate will conduct 85% of the control group weekly training volume (i.e., 30h/week)
A longer rest group
Participate will maintain the 35 h/week of exercise training
Eligibility Criteria
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Inclusion Criteria
* Healthy
* Candidates for security course in the Ministry of Defense
Exclusion Criteria
* Musculoskeletal or neuromuscular impairments that preclude exercise training
* Cognitive impairments
* Use of drugs that affect bone or muscle metabolism (mainly steroids)
18 Years
45 Years
ALL
Yes
Sponsors
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Tel Aviv University
OTHER
Responsible Party
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Gepner Yftach
Principal Investigator - Ph.D.
Locations
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Tel Aviv University
Tel Aviv, Other, Israel
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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0006524-1
Identifier Type: -
Identifier Source: org_study_id
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