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🎾 Tennis Biomechanics The Principle Of Opp

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Tennis Biomechanics The Principle Of Opp — tài liệu 3 trang từ thư viện sách tennis.

Chủ đề chính: Split step, Biomechanic, Cơ sinh học, Coach, Thể lực

Tóm tắt nội dung (trích từ tài liệu gốc): Tennis Bio-Mechanics : the principle of "opposite force" Author: Cyril is a tennis coach and This article presents the biomechanics Split step physical conditioning expert with principle of "opposite force" and its ap- The first goal of the split step is to put over 25 years' experience in the plication in tennis. the body in motion in a specific way tennis coaching and sport sciences This principle refers to the Newton's that enables the best time push in field. He is a qualified "Tennis Pro- third law of motion: for every action the direction required by the incom- fessor Level 2", the highe

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Nội Dung Gốc (Tiếng Anh)

Tennis Bio-Mechanics : the principle of



"opposite force"



Author: Cyril is a tennis coach and     This article presents the biomechanics       Split step

physical conditioning expert with       principle of "opposite force" and its ap-    The first goal of the split step is to put

over 25 years' experience in the        plication in tennis.                         the body in motion in a specific way

tennis coaching and sport sciences      This principle refers to the Newton's        that enables the best time push in

field. He is a qualified "Tennis Pro-   third law of motion: for every action        the direction required by the incom-

fessor Level 2", the highest tennis     there is an equal and opposite reaction.     ing shot. In a perfectly timed split the

coaching qualification in France and    This means that for every force there is     player leaves the ground just slightly

has a Master's degree and PhD in        a reaction force that is equal in size, but  before his opponent makes contact in

Sport Sciences. Cyril�s professional    opposite in direction. That is to say that   order to take information about the

experiences include: private tennis     whenever an object pushes another ob-        incoming ball while being in the air. It

coaching, through which he has          ject it gets pushed back in the opposite     allows to land first on the outside foot

trained many high performance na-       direction equally hard.                      (the foot furthest from the direction

tional-ITF junior tour standard play-   Tennis players use the ground reaction       of movement) and start with a quick

ers in which several were part of       forces both to move on the court and         and hard push off. Figure 1 shows

the French Elite National Program,      to initiate all tennis shots. They push      how the outside foot drives the

Head Tennis Coach responsibilities      the ground in different ways (direction      body weight until it is positioned

at various tennis clubs and training    and intensity) depending on the type         over the inside foot during lateral

centers in France, Coach Education      of movement or shot they have to per-        movement.

instruction and teaching. In addition,  form. Understanding how the players

Cyril�s background also includes        interact with the ground is important                 Figure 1

presenting at various national and      for coaches in order to plan both effi-

international conferences including     cient technical and physical training.

the 2015 ITF Worldwide Coaches

Conference by BNP Paribas. He

has also contributed publications in

internationally peer reviewed scien-

tific journals, the ITF Coaching and

Sport Science Review and for the

French Tennis Federation.



Recovery                                Figure 2



Figure 2 shows how the player

uses the ground to recover later-

ally from a wide position. He per-

forms a cross over step involving

different hip joint actions.



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                   Figure 3        Shot production

Figure 4                           All tennis shots start from the

                                   ground. The players generate

                                   forces by pushing the ground

                                   and they are transferred up

                                   through the trunk to the hitting

                                   arm. Both horizontal and verti-

                                   cal force components are present

                                   but their respective share de-

                                   pends on the type of shots.



                                    Figure 3 shows how the player

                                    pushes the ground with the back

                                    leg mainly horizontally to per-

                                    form a volley.



                                 Figure 5



Figure 4 shows how the player

pushes the ground mainly verti-

cally to perform a serve.



36 | October 2017                Figure 5 shows how the players push the ground with the

                                 back leg mainly horizontally to perform an aggressive

                                 forehand shot using a neutral stance and mainly vertical-

                                 ly when using an open stance.



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                          Figure 6                                                     Conclusion:



Figure 6 shows how the player pushes the ground both                                      The "opposite force"

horizontally and vertically to perform a return at shoul-                                 principle is present in

der height level.                                                                         all tennis movements

                                                                                          and shots production

    WTA Future Star                                                                       and its understanding

The WTA Future Stars features competition for young girls across                          should allow coaches to

                                                                                          focus on exercices aim-

the Asia-Pacific region with a vision to promote high-level athlete                       ing at improve the abili-

development, health, fitness and empowerment of women through                             ty of the player to better

tennis. The qualifiers from each country will compete at the Kallang                      use the ground. The ex-

Tennis Centre on October 17-19 in conjunction with the BNP Paribas                        ercises can be oriented

WTA Finals Singapore presented by SC Global, with the finals being                        more on the technical

played on Center Court at the Singapore Indoor Stadium on October                         or physical component

20.                                                                                       depending on the play-

Pune girl Salsa Aher represents our country at WTA Future Stars                           er's needs. The next ar-

Tournament to be held in Singapore from October 16 to 23. The tour-                       ticle will address the

nament would see top Under-16 and Under-14 players from 24 coun-                biomechanics principle of bal-

tries (one from each country) taking part. The tournament has been              ance and how it's used by players

divided into four groups of six players each in Round Robin format              to move in the tennis court and

and top player from each group would qualify for the semi-finals.               hit shots more efficiently.

Salsa idolises ace tennis star Garbine Muguruza. "I follow her game

style a lot. In fact, my game is a lot like her's � the way she hits the ball,           October 2017 | 37

her explosive split step, her footwork, service action," said Salsa. Salsa

practices at Bounce Academy and is sponsored by Lakshya/GIC and

MSLTA Vision program. A year ago, her ITF Jr world ranking was

around 1,000 and today she is ranked 315



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