Guided Training Program of Maximum Strength in Military Personnel

NCT ID: NCT03866889

Last Updated: 2020-01-27

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 65 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2019-03-04
• Study Completion Date: 2019-06-15

Brief Summary

Introduction. The members of the Military Emergency Unit must be physically prepared for any type of situation where required, although their strength training does not follow any concrete structure. Structured training of maximum strength aims to increase the recruitment of different types of fibers, and the increase in the size of these.

Objectives: To evaluate the effectiveness of a maximum strength training protocol in lower extremity functionality in military personnel aged 25 to 45 years.

Study design. Randomized, single-blind clinical study with follow-up period. Methodology. 65 male subjects will be recruited, who will be randomly assigned to the two study groups: experimental (structured strength training) and control (they will continue with their usual routine of free training). The intervention will last for 8 weeks, with 2 weekly sessions, lasting 20 minutes, with three evaluations (baseline, posttreatment and follow-up). The study variables will be: lower limb functionality (assessed by Standing Long Jump and Single Leg Hop tests), and quadriceps and hamstring strength (evaluated with the MRI measurement for each exercise). To perform the analysis of normality, the Kolmogorov Smirnof test will be used. In case of homogeneity, with the t-student test of repeated measures and an ANOVA of repeated means, the difference between the different evaluations and the intra and intersubject effect, respectively, will be calculated.

Expected results. Effectiveness of structured training of maximum strength in functionality of lower extremities.

Conditions

Military Activity

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: PREVENTION
• Blinding Strategy: SINGLE

Study Groups

Strength

Maximum strength protocol based on a Maximum Repetition (1RM). The aim of the application of the training is to produce an increase in strength based on training with high loads (80% 1RM), individually and covering the muscles of the lower extremity (quadriceps, hamstrings, gluteus maximus).

Group Type: EXPERIMENTAL

Strength

Intervention Type: OTHER

In the performance of the squat exercise (Back Squat), the subjects will be standing, with an Olympic bar behind their neck, supported on both trapezoids, while the hands will help to hold and stabilize the bar, taking it from below.

For hamstring curl, the subject will be in the prone position, clinging to the backrest, with the legs under the arm that lifts the weight.

The deadlift exercise will be performed from the standing posture, holding the bar with your arms extended and the trunk straight, while your hands will hold the bar at the height and separation of the hips.

Finally, in the quadriceps chair the subject will find himself sitting with his back straight and supported on the back of the seat, while the legs will go under the arm that lifts the weight.

Normal activity

The subjects included in the control group will perform the same physical activity to improve the strenght until the beginning of the study. The exercises will be done in the same conditions and with the same period (4 days / week)

Group Type: ACTIVE_COMPARATOR

Normal activity

Intervention Type: OTHER

The subjects included in the control group will continue to perform the same strength training plan that they did before starting this one. The periodicity will be the same (4 days / week) and with the same intensity.

Interventions

Strength

In the performance of the squat exercise (Back Squat), the subjects will be standing, with an Olympic bar behind their neck, supported on both trapezoids, while the hands will help to hold and stabilize the bar, taking it from below.

For hamstring curl, the subject will be in the prone position, clinging to the backrest, with the legs under the arm that lifts the weight.

The deadlift exercise will be performed from the standing posture, holding the bar with your arms extended and the trunk straight, while your hands will hold the bar at the height and separation of the hips.

Finally, in the quadriceps chair the subject will find himself sitting with his back straight and supported on the back of the seat, while the legs will go under the arm that lifts the weight.

Intervention Type: OTHER

Normal activity

The subjects included in the control group will continue to perform the same strength training plan that they did before starting this one. The periodicity will be the same (4 days / week) and with the same intensity.

Intervention Type: OTHER

Other Intervention Names

Maximum strength; Maximum strength

Eligibility Criteria

Inclusion Criteria

• Military personnel belonging to the Military Emergency Unit
• male
• With an age of 25 to 45 years
• No history of musculoskeletal injury in the 3 months prior to the study

Exclusion Criteria

• Present a diagnosis of injury in the period prior to or during the study
• Who are receiving a physiotherapy intervention at the time of the study
• Not signed the informed consent document

• Minimum Eligible Age: 25 Years
• Maximum Eligible Age: 45 Years
• Eligible Sex: MALE
• Accepts Healthy Volunteers: Yes

Sponsors

Investigación en Hemofilia y Fisioterapia

NETWORK

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Locations

Universidad Europea de Madrid

Madrid, Comunity of Madrid, Spain

Countries

Spain

Other Identifiers

SOLDUNI project

Identifier Type: -

Identifier Source: org_study_id