Effects of Low Level Laser Therapy (808nm) on Muscle Performance of Young Women Submitted to Physical Training
1 other identifier
interventional
45
1 country
1
Brief Summary
The study hypothesis is an increase in muscle performance and a higher aerobic adaptation of young women submitted to chronic endurance training program associated to low level laser therapy when compared to chronic aerobic training alone.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1 healthy
Started Jan 2006
Longer than P75 for phase_1 healthy
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2006
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2007
CompletedFirst Submitted
Initial submission to the registry
July 7, 2011
CompletedFirst Posted
Study publicly available on registry
July 11, 2011
CompletedJuly 13, 2011
December 1, 2005
1.2 years
July 7, 2011
July 12, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (5)
Fatigue Index of knee extensor muscles
Fatigue Index of knee extensor muscles assessed in isokinetic dynamometry.
nine weeks
Ventilatory threshold
Ventilatory threshold quantified by a gas analyzer.
nine weeks
VO2max
VO2max quantified by a gas analyzer.
nine weeks
VO2peak
VO2peak quantified by a gas analyzer.
nine weeks
Maximum load of effort on cycle ergometer (Balke's protocol).
Maximum load of effort on cycle ergometer quantified in Watts.
nine weeks
Secondary Outcomes (4)
Total work of knee extensor muscles
nine weeks
Peak torque of knee extensor muscles
nine weeks
Borg scale
nine weeks
Heart rate
nine weeks
Study Arms (1)
Laser therapy and aerobic capacity
EXPERIMENTALEffects of low level laser therapy on aerobic capacity of young women submitted to endurance training
Interventions
Phototherapy by low level laser therapy during 9 weeks
Eligibility Criteria
You may qualify if:
- healthy young women volunteers
- women with a beginner or moderately trained pattern of physical activity
- body Mass Index (BMI) between 18 and 25kg/m2
You may not qualify if:
- previous injury to the femoral quadriceps or hamstrings muscles (within 6 months prior to study)
- osseous or articular disorder in the lower limbs
- cardiovascular system disorders or systemic disease
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Universidade Federal de Sao Carlos
São Carlos, São Paulo, 13565-905, Brazil
Related Publications (8)
Ferraresi C, de Brito Oliveira T, de Oliveira Zafalon L, de Menezes Reiff RB, Baldissera V, de Andrade Perez SE, Matheucci Junior E, Parizotto NA. Effects of low level laser therapy (808 nm) on physical strength training in humans. Lasers Med Sci. 2011 May;26(3):349-58. doi: 10.1007/s10103-010-0855-0. Epub 2010 Nov 18.
PMID: 21086010BACKGROUNDLeal Junior EC, Lopes-Martins RA, de Almeida P, Ramos L, Iversen VV, Bjordal JM. Effect of low-level laser therapy (GaAs 904 nm) in skeletal muscle fatigue and biochemical markers of muscle damage in rats. Eur J Appl Physiol. 2010 Apr;108(6):1083-8. doi: 10.1007/s00421-009-1321-1. Epub 2009 Dec 19.
PMID: 20024577BACKGROUNDLopes-Martins RA, Marcos RL, Leonardo PS, Prianti AC Jr, Muscara MN, Aimbire F, Frigo L, Iversen VV, Bjordal JM. Effect of low-level laser (Ga-Al-As 655 nm) on skeletal muscle fatigue induced by electrical stimulation in rats. J Appl Physiol (1985). 2006 Jul;101(1):283-8. doi: 10.1152/japplphysiol.01318.2005. Epub 2006 Apr 20.
PMID: 16627677BACKGROUNDBaroni BM, Leal Junior EC, De Marchi T, Lopes AL, Salvador M, Vaz MA. Low level laser therapy before eccentric exercise reduces muscle damage markers in humans. Eur J Appl Physiol. 2010 Nov;110(4):789-96. doi: 10.1007/s00421-010-1562-z. Epub 2010 Jul 3.
PMID: 20602109BACKGROUNDBaroni BM, Leal Junior EC, Geremia JM, Diefenthaeler F, Vaz MA. Effect of light-emitting diodes therapy (LEDT) on knee extensor muscle fatigue. Photomed Laser Surg. 2010 Oct;28(5):653-8. doi: 10.1089/pho.2009.2688. Epub 2010 Jul 13.
PMID: 20626264BACKGROUNDLeal Junior EC, Lopes-Martins RA, Baroni BM, De Marchi T, Taufer D, Manfro DS, Rech M, Danna V, Grosselli D, Generosi RA, Marcos RL, Ramos L, Bjordal JM. Effect of 830 nm low-level laser therapy applied before high-intensity exercises on skeletal muscle recovery in athletes. Lasers Med Sci. 2009 Nov;24(6):857-63. doi: 10.1007/s10103-008-0633-4. Epub 2008 Dec 5.
PMID: 19057981BACKGROUNDLeal Junior EC, Lopes-Martins RA, Vanin AA, Baroni BM, Grosselli D, De Marchi T, Iversen VV, Bjordal JM. Effect of 830 nm low-level laser therapy in exercise-induced skeletal muscle fatigue in humans. Lasers Med Sci. 2009 May;24(3):425-31. doi: 10.1007/s10103-008-0592-9. Epub 2008 Jul 23.
PMID: 18649044BACKGROUNDLeal Junior EC, Lopes-Martins RA, Dalan F, Ferrari M, Sbabo FM, Generosi RA, Baroni BM, Penna SC, Iversen VV, Bjordal JM. Effect of 655-nm low-level laser therapy on exercise-induced skeletal muscle fatigue in humans. Photomed Laser Surg. 2008 Oct;26(5):419-24. doi: 10.1089/pho.2007.2160.
PMID: 18817474BACKGROUND
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Wouber Hérickson B Vieira, PhD
Universidade Federal de Sao Carlos
- STUDY DIRECTOR
Nivaldo A Parizotto, PhD
Universidade Federal de Sao Carlos
- PRINCIPAL INVESTIGATOR
Cleber Ferraresi, Ms
Universidade Federal de Sao Carlos
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
July 7, 2011
First Posted
July 11, 2011
Study Start
January 1, 2006
Primary Completion
April 1, 2007
Study Completion
October 1, 2007
Last Updated
July 13, 2011
Record last verified: 2005-12