Enhancement of Physical and Combat Preparedness of SAF Members - Validation Study

NCT ID: NCT05218798

Last Updated: 2024-01-11

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

34 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-02-14

Study Completion Date

2022-06-01

Brief Summary

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The aim of the proposed project is to investigate the reliability, validity, and usefulness of the 30-15 intermittent fitness test in the Slovenian Armed Forces. We will compare the results obtained from a continuous treadmill running test, 2-mile run test, and 30-15IFT.

Detailed Description

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Since the ability to perform military tasks depends on the physical fitness of soldiers (PF), one of the most commonly measured PF components during routine physical examinations is cardiorespiratory fitness (CRF). There are several tests used to measure CRF in the armed forces. Because of its simplicity, the most commonly used test of CRF is the 2-mile run test, but it has its own limitations when it comes to specificity of battlefield requirements, training prescription and optimization, and estimation of Vo2max. In combat situations, soldiers rarely run long distances on the battlefield. Therefore, the 2-mile run test does not appear to represent any specificity of combat. Furthermore, based on the data collected from this test, it is difficult to prescribe and optimize a training program for an individual subject. Therefore, the goal of the proposed project is to investigate the reliability, validity, and usefulness of the 30-15 intermittent fitness test in the Slovenian Armed Forces.

Conditions

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Physical Fitness Cardio Respiratory Fitness Aerobic Capacity Physical Examination Combat Preparedness

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Crossover randomized validation study
Primary Study Purpose

SCREENING

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
All subjects will be blinded for group allocation during testing procedures, including coaches (care provider), soldiers (participants) investigators, and outcomes assessors.

Study Groups

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Continous Treadmill Running Test

One of the four testing conditions the subject will be allocated to is a Continous Treadmill Running Test. Vo2max will be measured by using A K4 b2 a portable gas analyzer (COSMED, Italy). The device provides reliable values for oxygen uptake (VO2), carbon dioxide production (VCO2), and pulmonary ventilation (VE) breath by breath. In addition, blood samples (20 μL) were collected from the earlobe for both tests (before, immediately after, 3 min after, and 5 min after the test) and the samples will be analyzed for blood lactate concentration (\[LA-\]).

Group Type ACTIVE_COMPARATOR

Cardio Respiratory Fitness testing

Intervention Type DIAGNOSTIC_TEST

In a randomized cross over designed study, we will measure Vo2max by using different tests:

1. Continous Treadmill Running Test
2. Continous 2-mile run test
3. 30-15 Intermittent Fitness Test - first trial and second trial

Continous 2-mile run test

One of the four testing conditions the subject will be allocated to is a Continous 2-mile run test. Vo2max will be measured by using A K4 b2 a portable gas analyzer (COSMED, Italy). The device provides reliable values for oxygen uptake (VO2), carbon dioxide production (VCO2), and pulmonary ventilation (VE) breath by breath. In addition, blood samples (20 μL) were collected from the earlobe for both tests (before, immediately after, 3 min after, and 5 min after the test) and the samples will be analyzed for blood lactate concentration (\[LA-\]).

Group Type ACTIVE_COMPARATOR

Cardio Respiratory Fitness testing

Intervention Type DIAGNOSTIC_TEST

In a randomized cross over designed study, we will measure Vo2max by using different tests:

1. Continous Treadmill Running Test
2. Continous 2-mile run test
3. 30-15 Intermittent Fitness Test - first trial and second trial

30-15 Intermittent Fitness Test - first trial

Aerobic capacity will be measured using the field-based 30-15IFT test. This intermittent, incremental test consists of 30-second shuttle runs interspersed with 15-second active recovery periods. Running speed will be set at 8 km/h for the first 30-second run and increased by 0.5 km/h in each 30-second phase thereafter. The speed of the last successfully completed stage will be recorded as the test result, i.e. the maximum running speed (V) during IFT. Vo2max will be estimated by the following equation:

Vo2max IFT (ml/min/kg) = 28.3 - 2.15G - 0.741A - 0.0357BM + 0.058A X VIFT + 1.03VIFT where G stands for subjects gender, A for age and BM for body mass, respectively.

Group Type ACTIVE_COMPARATOR

Cardio Respiratory Fitness testing

Intervention Type DIAGNOSTIC_TEST

In a randomized cross over designed study, we will measure Vo2max by using different tests:

1. Continous Treadmill Running Test
2. Continous 2-mile run test
3. 30-15 Intermittent Fitness Test - first trial and second trial

30-15 Intermittent Fitness Test - second trial

The procedures will be the same as previously described

Group Type ACTIVE_COMPARATOR

Cardio Respiratory Fitness testing

Intervention Type DIAGNOSTIC_TEST

In a randomized cross over designed study, we will measure Vo2max by using different tests:

1. Continous Treadmill Running Test
2. Continous 2-mile run test
3. 30-15 Intermittent Fitness Test - first trial and second trial

Interventions

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Cardio Respiratory Fitness testing

In a randomized cross over designed study, we will measure Vo2max by using different tests:

1. Continous Treadmill Running Test
2. Continous 2-mile run test
3. 30-15 Intermittent Fitness Test - first trial and second trial

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

Members of Slovenian Armed Forces with no acute and/or chronic neuromuscular and skeletal injuries and/or any other chronic disease or conditions.

Exclusion Criteria

older than 45 years of age acute and/or chronic neuromuscular and skeletal injuries the existence of any chronic disease or condition
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Science and Research Centre Koper

OTHER

Sponsor Role collaborator

University of Ljubljana

OTHER

Sponsor Role lead

Responsible Party

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Armin Paravlic

Faculty of Sport

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Janez Vodicar

Role: STUDY_DIRECTOR

Faculty of Sport

Armin Paravlic

Role: PRINCIPAL_INVESTIGATOR

Faculty of Sport and Science and Research Centre Koper

Locations

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Faculty of Sport

Ljubljana, , Slovenia

Site Status

Countries

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Slovenia

References

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Paravlic AH, Simunic B, Pisot R, Rauter S, Stuhec S, Vodicar J. The reliability, validity and usefulness of the 30-15 intermittent fitness test for cardiorespiratory fitness assessment in military personnel. Sci Rep. 2022 Sep 27;12(1):16087. doi: 10.1038/s41598-022-20315-3.

Reference Type RESULT
PMID: 36167789 (View on PubMed)

Paravlic AH, Simunic B, Pisot R, Rauter S, Vodicar J. Reliability and validity of 30-15 intermittent fitness test for cardiorespiratory fitness assessment among infantry members of Slovenian armed forces: A study protocol. Front Psychol. 2022 Jul 22;13:894186. doi: 10.3389/fpsyg.2022.894186. eCollection 2022.

Reference Type DERIVED
PMID: 35936328 (View on PubMed)

Other Identifiers

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EPCPSAF-2021-22-validation

Identifier Type: -

Identifier Source: org_study_id

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