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Completed

NCT Number: NCT01972100

Use of Low-level Laser Therapy (808nm) to Muscle Fatigue Resistance

The study hypothesis is a improved muscle fatigue resistance induced by low-level laser therapy applied between sets of intense exercises.

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Key information

Conditions

Healthy

Age range

18 year–28 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

Federal Univesity of Rio Grande do Norte

Rio Grande Do Norte, Natal, 59072-970, Brazil

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • healthy males
  • physically active
  • aged between 18-28 years old

Exclusion criteria

  • smoker
  • under medicine
  • lower limb lesions limiting the flexion-extension of the knee joint

Treatment and study plan

Low-level laser therapy (808nm)

Device

Use of low-level laser therapy(LLLT)or placebo-LLLT applied on quadriceps femoris muscles between sets of isokinetic knee flexion-extension exercise

Other names: Low-level laser therapy;, Placebo low-level laser theraphy, Laser device (808nm; 100mW; DMC®, Brazil).

isokinetic exercise

Other

Other names: Isokinetic knee flexion-extension exercise

Placebo low-level laser therapy

Device

Primary outcomes

  1. Maximum repetitions

    Time frame: 1 week

    Evaluation of maximum repetitions of knee flexion-extension in isokinetic dynamometer. Volunteers were assessed on Monday (pre evaluation - baseline), on Wednesday performed a session of exercises and on Friday were assessed again (final evaluation).

Secondary outcomes

  1. Median Frequency

    Time frame: 1 week

    Evaluation of median frequency by surface electromyography of quadriceps femoris muscles during maximum repetitions of knee flexion-extension in isokinetic dynamometer. Volunteers were assessed on Monday (pre evaluation - baseline), on Wednesday performed a session of exercises and on Friday were assessed again (final evaluation).

Sponsors and collaborators

Lead sponsor

Cleber Ferraresi

Other

Collaborators

  • Universidade Federal do Rio Grande do Norte

Registry information

Official study title

Use of Low-level Laser Therapy (808nm) to Muscle Fatigue Resistance: a Randomized Double-blind Crossover Trial

Important dates

Study start
2013
Primary completion
2013
Study completion
2013
First posted
Oct 30, 2013
Registry last updated
Oct 30, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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