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OpenTrials
Completed

NCT Number: NCT01770977

Effects of Phototherapy by Light-emitting Diode Therapy (LEDT) on Clinical, Biochemical and Biomechanical of Muscle Performance in Athletes

Light-emitting diode Therapy (LEDT) has been used to improve human muscle performance in experimental models and human researches. Now, the investigators used LEDT to increase muscle performance of professional athletes with high performance.

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Key information

Conditions

Athlete

Age range

14 year–28 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

Federal University of São Carlos

São Carlos, São Paulo, 13565-905, Brazil

About this study

The study assessed muscle performance by vertical jump (height of jump and muscle power); creatine kinase; lactate; metabolism by resonance nuclear magnetic in urine; oxygen uptake (VO2) and its onset kinetic response.

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • professional athletes aged between 14 and 16 years;
  • professional athletes aged between 18 and 28 years

Exclusion criteria

  • previous injury to the femoral quadriceps or hamstring muscles,
  • osseous or articular disorder in the lower limbs,
  • cardiovascular system disorders,
  • systemic disease.

Treatment and study plan

Light-emitting diode therapy

Device

Other names: LED, LED therapy

Placebo light-emitting diode therapy

Device

Other names: Other Names:, LED, Light-emitting diode therapy, LED therapy

Primary outcomes

  1. Functional performance

    Time frame: 6 weeks

    Muscle performance in vertical jump and running

Secondary outcomes

  1. Biochemical analysis

    Time frame: 1 week

    Blood lactate and creatine kinase assessments

Other outcomes

  1. Aerobic performance

    Time frame: 6 weeks

    oxygen uptake (VO2) and its onset kinetic response.

Sponsors and collaborators

Lead sponsor

Universidade Federal de Sao Carlos

Other

Collaborators

  • Centro de Pequisas de Ótica e Fotônica
  • Fundação de Amparo à Pesquisa do Estado de São Paulo

Registry information

Important dates

Study start
2012
Primary completion
2012
Study completion
2012
First posted
Jan 18, 2013
Registry last updated
Jan 18, 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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