Muscular Activations During Eccentric Quadriceps Exercises

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

21 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-01-01

Study Completion Date

2024-03-01

Brief Summary

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The aim of this study is to investigate muscular activations during various quadriceps exercises commonly used in clinical settings.

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Detailed Description

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The quadriceps muscle is known to be crucial for the dynamic control of the lower extremity, and weakness in this muscle can lead to strategies that may result in injury. Therefore, acquiring optimal quadriceps muscle strength is essential not only for preventing lower extremity injuries but also for enabling individuals to fully return to activities after an injury.

Despite the existence of various eccentric quadriceps exercises in the literature, there is a lack of consensus on their comparative effectiveness. Hence, there is a requirement for research to explore the effectiveness of different eccentric quadriceps exercises. The objective of this study is to compare the muscular activation of the quadriceps muscle during four distinct eccentric quadriceps exercises using surface electromyography (sEMG) devices

Conditions

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ACL Injury Sport Injury Sports Physical Therapy Muscle Weakness

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Other

female athletes

Group Type EXPERIMENTAL

Eccentric quadriceps exercises

Intervention Type DIAGNOSTIC_TEST

The activation of the vastus medialis, vastus lateralis, and rectus femoris muscles will be measured using surface electromyography (sEMG) during four distinct quadriceps eccentric exercises: Reverse Nordic, Pistol squat, Suspension-based Bulgarian split squat, and Bulgarian split squat. Participants will be instructed to perform three successful repetitions for each exercise. A 30-second break will be provided between each repetition, and there will be a minimum of 10 minutes of rest between each of the four exercises. Due to the belief that fatigue could impact exercise performance, the modified Borg scale will be used to ensure that fatigue does not occur before each exercise. Exercise recording will commence when scores reported using the modified Borg scale are 1 or lower.

Interventions

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Eccentric quadriceps exercises

The activation of the vastus medialis, vastus lateralis, and rectus femoris muscles will be measured using surface electromyography (sEMG) during four distinct quadriceps eccentric exercises: Reverse Nordic, Pistol squat, Suspension-based Bulgarian split squat, and Bulgarian split squat. Participants will be instructed to perform three successful repetitions for each exercise. A 30-second break will be provided between each repetition, and there will be a minimum of 10 minutes of rest between each of the four exercises. Due to the belief that fatigue could impact exercise performance, the modified Borg scale will be used to ensure that fatigue does not occur before each exercise. Exercise recording will commence when scores reported using the modified Borg scale are 1 or lower.

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

Being a licensed athlete in one's own field, Having been engaged in sports for at least 2 years

Exclusion Criteria

Individuals with any musculoskeletal injury history in the lower extremities and trunk that could impede exercise within the last year, Individuals with systemic, neurological, and/or cognitive issues, Individuals experiencing pain in the lower extremities and trunk during exercises

Minimum Eligible Age

18 Years

Maximum Eligible Age

25 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes