Efeitos da facilita????o neuromuscular proprioceptiva e do alongamento est??tico sobre contra????o volunt??ria m??xima e atividade eletromiogr??fica em jogadores de futsal

Detalhes bibliográficos
Ano de defesa: 2012
Autor(a) principal: Silva, Erika da Fonseca Reis lattes
Orientador(a): Prestes, Jonato lattes
Banca de defesa: Não Informado pela instituição
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Cat??lica de Bras??lia
Programa de Pós-Graduação: Programa Strictu Sensu em Educa????o F??sica
Departamento: Escola de Sa??de e Medicina
País: Brasil
Palavras-chave em Português:
Área do conhecimento CNPq:
Resumo em Inglês: The proprioceptive neuromuscular facilitation (PNF) is a stretching technique used to increase the range of motion and presents superior results as compared with static stretching (SS). Thus, the aim of study was investigate and compare the effects of PNF and SS on maximal voluntary contraction (MVC) and muscle activation in indoor soccer players and sedentary individuals. Thirty-three adult men were divided into two groups: 1) sedentary (age, 21.3 ?? 1.8 years; height, 173.0 ?? 7.0 cm; weight, 68.7 ?? 9.6 kg) and 2) trained (age, 25.7 ?? 4.8 years; height, 175.5 ?? 5.0 cm; weight, 76.4 ?? 7.4 kg) who completed three different experimental trials on non-consecutive days separated by 72 h in a randomized order: static stretching (SS), PNF stretching (PNF), and no-stretching (NS). The isometric MVC of knee extension was evaluated before and immediately after each condition. Surface electromyography was recorded from the vastus lateralis (VL) and rectus femoris (RF) muscles of dominant leg during MVC test. PNF and SS techniques induced no decrease on isometric maximal muscular strength and muscle electromyographical activity in indoor soccer players (p>0.05). In addition, the electromyographical activity of the RF and VL was lower after SS only in the sedentary group (p???0.05). These results suggest that, short duration PNF SS stretching techniques have no effects on isometric MVC and muscle electromyographical activity in indoor soccer players.
Link de acesso: https://bdtd.ucb.br:8443/jspui/handle/tede/2109
Resumo: The proprioceptive neuromuscular facilitation (PNF) is a stretching technique used to increase the range of motion and presents superior results as compared with static stretching (SS). Thus, the aim of study was investigate and compare the effects of PNF and SS on maximal voluntary contraction (MVC) and muscle activation in indoor soccer players and sedentary individuals. Thirty-three adult men were divided into two groups: 1) sedentary (age, 21.3 ?? 1.8 years; height, 173.0 ?? 7.0 cm; weight, 68.7 ?? 9.6 kg) and 2) trained (age, 25.7 ?? 4.8 years; height, 175.5 ?? 5.0 cm; weight, 76.4 ?? 7.4 kg) who completed three different experimental trials on non-consecutive days separated by 72 h in a randomized order: static stretching (SS), PNF stretching (PNF), and no-stretching (NS). The isometric MVC of knee extension was evaluated before and immediately after each condition. Surface electromyography was recorded from the vastus lateralis (VL) and rectus femoris (RF) muscles of dominant leg during MVC test. PNF and SS techniques induced no decrease on isometric maximal muscular strength and muscle electromyographical activity in indoor soccer players (p>0.05). In addition, the electromyographical activity of the RF and VL was lower after SS only in the sedentary group (p???0.05). These results suggest that, short duration PNF SS stretching techniques have no effects on isometric MVC and muscle electromyographical activity in indoor soccer players.