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Blog Tênis na Rede » Aprenda a utilizar os pés durante o saque

Aprenda a utilizar os pés durante o saque 9 de junho de 2009

Sabemos que atualmente o saque é o golpe mais importante do tênis, principalmente nos jogos disputados em quadras de piso rápido. Os estudos mais recentes investigaram com maior atenção este golpe, sob vários aspectos: velocidade do saque, lançamento da bola (”toss”), ponto ideal do contato raquete-bola, movimento de pronação do antebraço, tipos de raquetes/cordas mais eficientes para sacar, entre outros que também serão abordados posteriormente.

Porém, poucos desses estudos levaram em conta a importância dos pés durante a execução do saque. Mostrarei as técnicas de pés utilizadas, suas vantagens e desvantagens, e como vocês poderão adequar estas técnicas ao estilo de jogo, estatura e objetivos.

Técnicas de pés: “Foot-up” e “Foot-back”

Ao observarmos grandes sacadores, podemos identificar duas técnicas de pés utilizadas:

Foot-up: Técnica que consiste em conduzir o pé de trás (posterior) em direção ao pé da frente (anterior) durante a execução do saque, como mostram as figuras abaixo:

safin-1
safin-2

MARAT SAFIN: 208 km/h


Vantagens: Maior impulsão vertical, o que permite uma maior altura de contato raquete-bola, aumentando assim a chance de a bola passar sobre a rede e cair na área de saque.
Desvantagens: Quando ocorre a condução do pé de trás (posterior) em direção ao pé da frente (anterior), o braço dominante (que segura a raquete) é posicionado mais próximo ao tronco, diminuindo a distância que o sacador terá para acelerar a raquete em direção à bola, o que consequentemente diminuirá a potência.

Foot-back: Técnica que consiste em manter os pés afastados durante a execução do saque, como mostram as figuras abaixo:

rusedski-1
rusedski-2

GREG RUSEDSKI: 238 km/h

Vantagens: Maior potência, pois o braço dominante posiciona-se mais afastado do tronco, permitindo ao sacador maior aceleração da raquete. Além disso, ocorre um maior deslocamento do corpo em direção à rede, aumentando a amplitude do primeiro passo, ou seja, o sacador “cai” mais dentro da quadra após o saque.
Desvantagens: A altura de contato raquete-bola é menor em comparação à técnica Foot-up, o que dificulta a passagem da bola sobre a rede.

Como escolher sua técnica

Estilo de Jogo - Jogadores de estilo saque-voleio devem optar pela técnica Foot-back, pois poderão chegar à rede mais rapidamente devido ao primeiro passo após o saque ser maior.

Potência - Quem necessita aumentar a potência do saque, deve utilizar a técnica Foot-back devido à maior possibilidade de aceleração do braço e conseqüente melhor transferência de energia para a bola.

Estatura - Os jogadores de baixa estatura devem optar pela técnica Foot-up, pois assim poderão golpear a bola em um ponto mais alto e transpor a rede com maior facilidade. Jogadores de estatura alta podem utilizar ambas as técnicas, devendo optar por uma delas com dependência em outras características.

Primeiro e segundo saque - Com as informações anteriores, podemos concluir que seria mais adequado utilizarmos a técnica Foot-back para executar o primeiro saque, objetivando uma maior potência, além de facilitar a subida à rede. Por outro lado, a tácnica Foot-up seria mais adequada para o segundo saque, devido à uma maior altura de contato, o que facilitaria uma passagem mais alta da bola sobre a rede, característica deste saque.

Bibliografia

BRAGA NETO L., BEZERRA E.C., SERRÃO, J.C., ECHE E.P., AMADIO, A.C. Dynamic characteristics of two techniques applied to the field tennis serve. In: HAAKE S.J., COE A. (eds.) Tennis Science & Technology. Oxford, London, Edinburgh, Malden, Victoria, Paris, Blackwell Science Ltd., pp. 389-393, 2.000
ELLIOTT, B.; KILDERRY, R. The art and science of tennis, Philadelphia: Saunders, 1983.
ELLIOTT, B.; WOOD, G. The biomechanics of the foot-up and foot-back tennis serve techniques. The Australian Journal of Sports Sciences, v.3(3), p.3-5, 1983.
GROPPEL, J.L. The biomechanics of Tennis : an Overview. International Journal of Sport Biomechanic, v.2, p.141-155, 1 986.
VAN GHELUWE,B.; HEBBELINCK,M. Muscle actions and ground reaction forces in tennis. International Journal of Sport Biomechanics, v.2, p.88-99, 1986.

4 Comments
Claudio julho 15th, 2009

Muito bom esse artigo. Parabéns à equipe do Tênis na Rede…

Leonardo abril 30th, 2010

Muito bom! Parabéns

Marcio Hiroyuki Miyamoto agosto 12th, 2011

Muito bom artigo! Sou novo no tennis e desconhecia esse posicionamento de pernas!

Net Esportes outubro 31st, 2011

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O saque era um dos momentos mais complicados quando eu jogava, muito boa as dicas ….

Convido a todos para participarem do concurso cultural do meu blog, vamos dar um exemplar do livro do Rafael Nadal ….
http://netesporte.blogspot.com/2011/10/ganhe-o-livro-do-rafael-nadal.html

Comente esse Artigo