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Title: Acute strength exercise and the involvement of small or large muscle mass on plasma brain-derived neurotrophic factor levels
Authors: Correia, Paulo Roberto [UNIFESP]
Pansani, Aline Priscila [UNIFESP]
Machado, Felipe [UNIFESP]
Andrade, Marilia dos Santos [UNIFESP]
Silva, Antonio Carlos da [UNIFESP]
Scorza, Fulvio Alexandre [UNIFESP]
Cavalheiro, Esper Abrão [UNIFESP]
Arida, Ricardo Mario [UNIFESP]
Universidade Federal de São Paulo (UNIFESP)
Keywords: BDNF
Strength exercise
Issue Date: 1-Jan-2010
Publisher: Faculdade de Medicina / USP
Citation: Clinics. Faculdade de Medicina / USP, v. 65, n. 11, p. 1123-1126, 2010.
Abstract: OBJECTIVE: Blood neurotrophins, such as the brain-derived neurotrophic factor, are considered to be of great importance in mediating the benefits of physical exercise. In this study, the effect of acute strength exercise and the involvement of small versus large muscle mass on the levels of plasma brain-derived neurotrophic factor were evaluated in healthy individuals. METHODS: The concentric strengths of knee (large) and elbow (small) flexor and extensor muscles were measured on two separate days. Venous blood samples were obtained from 16 healthy subjects before and after exercise. RESULTS: The levels of brain-derived neurotrophic factor in the plasma did not significantly increase after both arm and leg exercise. There was no significant difference in the plasma levels of the brain-derived neurotrophic factor in the arms and legs. CONCLUSION: The present results demonstrate that acute strength exercise does not induce significant alterations in the levels of brain-derived neurotrophic factor plasma concentrations in healthy individuals. Considering that its levels may be affected by various factors, such as exercise, these findings suggest that the type of exercise program may be a decisive factor in altering peripheral brain-derived neurotrophic factor.
ISSN: 1807-5932
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