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🎾 Tennis And Biomechanics

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Tennis And Biomechanics — tài liệu 3 trang từ thư viện sách tennis.

Chủ đề chính: Biomechanic, Cơ sinh học, Coach

Tóm tắt nội dung (trích từ tài liệu gốc): Tennis and Biomechanics internationally peer reviewed es an "optimum efficiency". scientific journals, the ITF This notion of effectiveness Coaching and Sport Science is important since it helps to Review and for the French prevent injuries related to the Tennis Federation. high repetition of the same ac- tions during training sessions Tennis and Biomechanics and matches. Author This article series is aimed to What is Tennis biomechan- provide coaches and players ics? Cyril is a tennis coach and with better understanding of It refers to the study of forces physical conditioning expert technica

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Nội Dung Gốc (Tiếng Anh)

Tennis and Biomechanics



                                 internationally peer reviewed     es an "optimum efficiency".

                                 scientific journals, the ITF      This notion of effectiveness

                                 Coaching and Sport Science        is important since it helps to

                                 Review and for the French         prevent injuries related to the

                                 Tennis Federation.                high repetition of the same ac-

                                                                   tions during training sessions

                                 Tennis and Biomechanics           and matches.



Author                           This article series is aimed to   What is Tennis biomechan-

                                 provide coaches and players       ics?

Cyril is a tennis coach and      with better understanding of      It refers to the study of forces

physical conditioning expert     technical performance factors     and motions and is essential-

with over 25 years' experi-      involved in tennis shots and      ly the science of movement

ence in the tennis coaching      on-court movement.                technique involved in tennis.

and sport sciences field. He     The technical analysis in         The proper understanding of

is a qualified "Tennis Pro-      tennis has long and almost        biomechanics relating to ten-

fessor Level 2", the highest     exclusively been a description    nis skill has the greatest impli-

tennis coaching qualification    of gestural form and rhythm       cations on both performance

in France and has a Master's     from the High level model         and injury prevention.

degree and PhD in Sport          used as unique reference for      The movement can be ana-

Sciences. Cyril�s professional   the coaches. But this quali-      lyzed through quantitative

experiences include: private     tative insight only shows the     kinematic, kinetic and electro-

tennis coaching, through         action's consequences and not     myographic analyses per-

which he has trained many        the factors generating it (the    formed in research settings.

high performance nation-         causes). Then, the technical      Kinematics can be defined

al-ITF junior tour standard      analysis has become more          as the description of motion

players in which several were    functional thanks to scientific   without consideration of its

part of the French Elite Na-     contributions and especially      causes, including its linear

tional Program, Head Tennis      biomechanics. Through a bet-      and angular displacements,

Coach responsibilities at        ter understanding of the un-      velocities and accelerations.

various tennis clubs and train-  derlying mechanisms, it is now    Kinetics is the study of forces

ing centers in France, Coach     possible to provide coaches       causing the movement and the

Education instruction and        with pertinent visual clues       resultant energy. Electromy-

teaching. In addition, Cyril�s   matching the "technical fun-      ography (EMG) is the study of

background also includes         damentals" that are absolutely    electrical signals related to the

presenting at various national   essential for an effective tech-  muscular contractions.

and international conferences    nique performance. The effec-     Scientific studies have high-

including the 2015 ITF World-    tiveness is defined, in tennis,   lighted the "kinetic chain

wide Coaches Conference          as the ability to perform an      principle". The "kinetic

by BNP Paribas. He has also      action with a reduced energet-    chain" term refers to the

contributed publications in      ic cost or minimal mechanic       conceptual framework used

                                 stress, and that characteris-

                                                                          35| September 2017

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to understand the mechanisms      speed summation principle

by which athletes perform         in which a segment initiates

the necessary complex tasks       its motion when the adjacent

to function in sport. It relates  proximal segment reaches its

to the biomechanics through       maximum angular speed.

which the necessary forces        If we take the forehand shot as

are generated and that help       an example, the racket velocity

to regulate and modify the        at impact is the product of a

loads imposed on the joints,      summation of forces from the

especially the high loads at the  lower limbs up through the

shoulder joint. In a normally     trunk and the dominant arm .

functioning kinetic chain, the

legs and trunk segments are       The movement can also be

the engine that develops force    analyzed through qualitative

while also forming the proxi-     analyses of human move-

mal base for the distal mobili-   ment by using six principles

ty. In simple terms, the energy   of biomechanics for tennis

or force generated by a link (or  remembered easily by way of

a body part) can be transferred   the acronym "BIOMEC":

to the next link in the chain.    Balance: ability to maintain

Moreover, to be effective, this   equilibrium either dynamical-

kinetic chain must satisfy the    ly or statically



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Inertia: resistance of a body to  Conclusion :

move or to stop moving

Opposite force: for every         It's important to understand

action, there is an equal and     that technical analysis has to

opposite reaction                 be functional and not only de-

Momentum: amount of mass          scriptive. It allows coaches to

of the body related to its speed  work on the causes that pro-

(mass x velocity)                 duce the optimal conditions

Elastic energy: energy stored     of technical performance. The

in the muscles as a result of     figure below is an example of

stretching the muscle             functional description of fore-

Coordination: kinetic chain       hand shots performed with

principle                         different stances.

It is the most practical ap-      The next article will address

proach for coaches and each       the biomechanics principle

of these principles will be       of opposite force and how it's

addressed in future articles.     used by players to move in

                                  the tennis court and hit shots

                                  more efficiently.



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