Acute Effect of Photobiomodulation Therapy on Muscle Performance in Female Futsal Players

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

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-02-15

Study Completion Date

2024-03-18

Brief Summary

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Photobiomodulation therapy (PBMT) has recently been indicated as a potential therapeutic strategy in diverse health and sports contexts. However, its efficacy on muscle performance in female futsal players remains unknown. The purpose of this study was to investigate the dose-response effect of PBMT on muscle performance in female futsal players.

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Detailed Description

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Background: Photobiomodulation therapy (PBMT) has recently been indicated as a potential therapeutic strategy in diverse health and sports contexts. However, its efficacy on muscle performance in female futsal players remains unknown. The purpose of this study is to investigate the dose-response effect of PBMT on muscle performance in female futsal players. Methods: In a crossover design, fifteen female futsal athletes (age: 18-30 years) will be randomized to receive 1 of 4 PBMT conditions (placebo, 300, 900, and 1260 joules \[J\]) on four occasions, separated by a 2-wk washout period. PBMT treatments will be applied on the quadriceps muscle of both legs using a device containing 200 light-emitting diodes (LEDs), immediately before the following tests (dependent variables): countermovement jump (CMJ) (i.e., flight time as indicator of muscle power), maximum voluntary isometric contraction (MVIC) for the leg extension exercise (i.e., muscle strength), and 3 sets of repetitions-to-failure (i.e., local muscular endurance) for the 45º leg press exercise, with recording of rating of perceived exertion (RPE) after each set. The fatigue index will be determined by the number of repetitions between sets 1 and 3. Statistical analyses will be performe using IBM SPSS Statistics for Windows (version 24.0; IBM Corp., Armonk, NY). Data will be tested for normality and homogeneity using the Shapiro-Wilk's and Levene's tests, respectively. One-way ANOVA tests will be performed to evaluate the differences in the fatigue index, flight time, and peak and mean torque between the treatment conditions (placebo, 300, 900, and 1260 J). Changes over time and between treatment conditions in maximum number of repetitions and RPE will be analyzed with two-way repeated measures ANOVA. Violation of sphericity was corrected using the Greenhouse-Geisser method. When significant differences will be confirmed with the ANOVA, multiple comparison testing will be performed using the Bonferroni post hoc correction to identify these differences. Values will be expressed as mean (standard deviation and 95% confidence interval). The significance level was set at p \< 0.05.

Conditions

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Muscle Performance Photobiomodulation Therapy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Crossover

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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placebo PBMT

Participants will be received placebo PBMT immediately before physical tests.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DEVICE

Participants will be received placebo PBMT on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

300 J PBMT

Participants will be received PBMT at 300 J immediately before physical tests.

Group Type ACTIVE_COMPARATOR

300 J

Intervention Type DEVICE

Participants will be received PBMT at 300 J on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

600 J PBMT

Participants will be received PBMT at 600 J immediately before physical tests.

Group Type ACTIVE_COMPARATOR

600 J

Intervention Type DEVICE

Participants will be received PBMT at 600 J on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

1260 J PBMT

Participants will be received PBMT at 1260 J immediately before physical tests.

Group Type ACTIVE_COMPARATOR

1260 J

Intervention Type DEVICE

Participants will be received PBMT at 1260 J on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

Interventions

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Placebo

Participants will be received placebo PBMT on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

Intervention Type DEVICE

300 J

Participants will be received PBMT at 300 J on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

Intervention Type DEVICE

600 J

Participants will be received PBMT at 600 J on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

Intervention Type DEVICE

1260 J

Participants will be received PBMT at 1260 J on the quadriceps muscle of both legs, immediately before physical tests, using a device containing 200 LEDs (100 red and 100 infrared)

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Age between 18 and 35 years
* Playing futsal regularly for more than 1 year.

Exclusion Criteria

* Use of any ergogenic or anabolic supplement within 6 months prior to the start of the study,
* Take any medication that may affect the ability to perform the physical tests,
* Have any physical limitation (e.g. joint or muscle injury) that may affect the ability to perform the physical test,
* Be engaged in a restricted diet program (e.g. weight loss diet),
* Have any skin sensitivity or diseases (e.g. erysipelas, eczema, dermatitis, psoriasis and urticaria) in the irradiated area that may be aggravated by PBMT.

Minimum Eligible Age

18 Years

Maximum Eligible Age

35 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes