Analysis: David Ferrer – Inside Out Forehand

CLICK HERE TO VIEW ANALYSIS David Ferrer Complete Movement Analysis – Inside Out Forehand

This article is the second complete movement analysis following on from the Maria Kirilenko Movement Analysis done previously.  This time I take a look at David Ferrer’s inside out Forehand. Once again I try to consider the tactical

David Ferrer

David Ferrer (Photo credit: Wikipedia)

situation/intention in the analysis as this provides some context.

The purpose of these articles is to highlight that the analysis doesn’t stop with single process and must consider all.  In addition the aim is to increase awareness of the body and it’s functions and relate to tactics and vice versa.

Consider the possibility that the effectiveness of a particular tactic may be due to a limitation in the body.

I hope you enjoy!

The Tennis Engineer

CLICK HERE TO VIEW ANALYSIS David Ferrer Complete Movement Analysis – Inside Out Forehand

 

The Tennis Player’s Posture – The Value of Balance

You are probably aware that tennis is a one sided game in terms of dominant hand and you have probably readily accepted that imbalance is prevalent in the tennis player? Have you noticed that the common process is that tennis players are expected to have imbalances as if to say it supports the game they play? I would like to show the downside of imbalance and the value of balance and that actually one does not need to be imbalanced just because you play tennis.

Posture forms an important part of therapeutic processes, something for yogis, Pilates, osteopaths and physiotherapists, right?  Wrong!

Full Article link below

The Tennis Player’s Posture – The Value of Balance

Find your center!

The Tennis Engineer.

Kyle Edmund Vs Jonny O’Mara

Alongside Andy Murray the wonderful opportunity of watching the future of British tennis in the junior boys singles presented itself at Wimbledon yesterday (Wednesday).   Truth be told I was making a beeline for court 14 where Kyle Edmund and Jonny O’Mara were 3 all first set.

Maybe at this point your expecting some kind of sledging as to why these lads are never going to make it and that they will just end up on the scrap heap.  Maybe the media might do that but not here.

U.S. Open Juniors Sunday, Sept. 4, 2011

U.S. Open Juniors Sunday, Sept. 4, 2011 (Photo credit: Wikipedia)

The tennis, in my opinion was entertaining and of a high standard.  Kyle strong, very strong off the forehand wing with an incredible amount of racket head speed available.  Coupled with a strong first serve his tactics will be simple and effective. Jonny not as powerful but when in rallies looking like he had the potential to compete and he made a go of it at least.  More that could be said of 3rd seed Zerev who pulled out with a so called shoulder problem at 4-0 down in the third.

The tennis engineer is interested in the human body and the bio-mechanics of tennis and here in lies the reason for this post.   I have been alluring to the idea that the there is some relationship between where joints sit and muscle tensions in the human body which results in imbalances and hence sub optimal output.  Where there is an imbalance the joints and muscles cannot and I really mean cannot, move through an action efficiently and effectively and there is a knock on throughout the whole system.  This may or may not be a cause of future injury but if not an injury risk there is still more possibility in producing better strokes, coping with tougher situations and executing tactics.

So I turned my attention to Jonny as it was clear in his gait there were some quirks.   Not bad at this point until he turned to face his coach who was sat in front of me.  Here is where I saw the tennis players stereotypical shoulder drop on the hitting side.  Not only that as I followed this through the system it was clear that Jonny’s left hip was also hiked higher than his right and often this is coupled with a rotation to the right (right handed).  His gait when he walked away had an obvious flexion to the hitting side also which is characteristic with the previous observations. Not at the expense of Jonny but I was delighted but the question arose in my mind of what can I do about it?

Well, nothing, at the moment.  Immediately after the match I was thinking about talking to the coach but chose against it probably for the best as a few seconds later I was surrounded by Greg Ruesedski, Martin Weston and some other guy who I recognized.  While many asked Greg for photos I called my colleague to tell him the good/bad news about the match I just seen.

So, now hypothetically want can be/needs to be done with Jonny?  Well, in my opinion and according to alot of research Jonny’s posture and joint alignment is only causing him to under perform regardless of the other traits of tennis.  His body is simply not optimal therefore his fantastic ground strokes could be BETTER! not only that he could deal with higher pace and higher levels, he could grow in confidence and he could execute his tactics effectively and more repeatedly.

So step 1 is to re educate, re engineer his body to accept the range of motion and the intended functions of the joints.  Remember, the body wasn’t designed with tennis in mind and therefore we should respect the actual function of the body and restore these defaults.  That is not to say that the tennis posture is the way it  is because it should be because it shouldn’t!

Step 2 then is then to educate the body to function properly within tennis stroke production movements.  Coupling all joint actions to the end result.  This relies on heavy input on the technical model used by the coach/coaches.

Step 3 maintain and improve.

The Tennis Engineer is not a fitness trainer or S&C coach but a tennis coach specialising inhuman  movement and the aim of the approach is to give the best chance to the player to perform at maximum!

Coming soon: The Tennis Players posture article

Please feel free to message me with questions or share this with any parties that may have interest.

I hope this asks some questions and prokes thought.

Best

The Tennis Engineer.

 

 

 

 

 

 

 

 

 

 

Analysis: Maria Kirilenko – Defensive Backhand

CLICK HERE TO VIEW ANALYSIS -> Maria Kirilenko Movement Analysis

With Maria Kirilenko doing so well at the French Open this year it seemed fitting to share this analysis of her in a defensive situation on the backhand.

Maria Kirilenko

Maria Kirilenko (Photo credit: Carine06)

As with many tennis players Maria has had a fair share of injuries and even in this image sequence she wears a knee bandage/support.  The question for me is why has her body got to this point?  Of course there will be injuries but optimizing the body to perform the actions that are required can drastically reduce the injury potential whilst maximizing the output.

Only a few minutes ago Maria called the trainer for a lower back issue in the first set of her match with Azarenka.  Commentators also mentioned that yesterday she had a shoulder issue.  Coupling this with a possible knee problem in this analysis the question inflates to whether these are isolated injuries are they in fact interlinked and the injury is just moving around the body as one is addressed?

I believe it is that later and that to truly solve Maria’s issues the body function must be considered as a global entity and that areas of limited movement and/or dysfunctional posture will impact the possibilities at other joints in the system.

This could mean, for example, that poor hip function could lead to a rotator cuff injury as the shoulder works harder to achieve the output than it needs to.

As I have eluded to in past posts all performance process (tech,tact, phys,ment) are linked and influence each other.  Therefore all must be considered in analysis although assumptions maybe made it is closer to the truth if all are considered.

CLICK HERE TO VIEW ANALYSIS -> Maria Kirilenko Movement Analysis

In the analysis I include some training exercises related to the areas that have been considered aimed at developing the patterns and enhancing performance.  It must be said that the exercises alone will serve this purpose although it is important to understand , as in the case of Maria Kirilenko, that the function of the body and the adopted postures must not carry limitations and the transmissions of forces are efficient and seamless.  I suggest and recommend that this is addressed prior to implementing any training program.

CLICK HERE TO VIEW ANALYSIS -> Maria Kirilenko Movement Analysis

 

I hope you enjoy the analysis and please contact me if you are interested further or have any questions.

Regards,

the Tennis Engineeer

CLICK HERE TO VIEW ANALYSIS -> Maria Kirilenko Movement Analysis

Thought of the Day – Movement Access

I was coaching a young female player of mine and we were working on moving up the court, getting after the ball and exploiting space by playing down the line.  The drill was simple, defend cross and attack line, repeating this on both forehand and backhand side for approximately 20 balls per set.

Another coach and friend of mine observed that when the girl went for the down the line ball her front foot was parallel to the net effectively blocking movement at the hip/pelvis and subsequently making balance after the upper body had rotated through very difficult.

the problem here is that the reason for this is to do with posture and foot function.  She has over pronated feet that are turn into to absorb the force of landing or stepping and hence when putting her front foot down it moves to be a parallel in order to absorb the knee flexion and of course transmit force up through the body from the ground.

The thing for me is that no amount of “coaching” will allow this change to stick but there is a way of bypassing the conscious and fix it with out her even knowing.  This is to give the foot the freedom of movement that it requires and also to educate the body to use it.  Exercises such as the balancing on the offending foot and reaching out with the other leg around a “clock” face gives the foot a 3D experience, in addition some “lunge” type movements encouraging the hip to rotate in a similar manner to the intended stroke forces the foot to take up a new position.

Naturally, the intervention needs repetition and work as with any skill acquisition but there was a instant alteration.  In addition we altered the movement to the ball from a “side step” to more of a “gallop” where the front foot is pointing at the ball and we created a situation where mechanically the position was more desirable.

Homework exercises prescribed and we shall see the effects this coming week!

 

Thought of the Day – Important Feet

well, this is in regards to our two wonderful feet and the server lack of attention to them!

how many coaches referred to “loading up from the legs” or something similar and wondered why it is difficult for some?  Now, of course there are many reasons but consider the foot for a second.  When, you flex the knee what happens to the foot?  when you hop on one foot and flex the knee what happens to the foot?

The foot flattens (or pronates) which is a way of allowing the knee to flex and subsequently load the rest of the body.  Also it loads (or stretches) the muscles required to move the foot out of this position through to full extension at the hip (the foot here has fully supinated).  Isn’t this what we as coaches want for our players when hitting ground-strokes? (or in fact any shot that requires some knee flexing).

For the thought of the day bit consider what would be the output of a players shots if they had difficulty in flattening the foot in the first place or if they had “flat” feet and therefore could not use the supination muscles effectively?

Here in lies the real key to maximum output on stokes!

Enjoy,

Questions just pop me and email!

 

 

Slipping and Sliding

With the clay court season upon us and the count down to the French Open beginning it is interesting to consider how to move on clay.  My view is that we should not encourage sliding on clay even though it is possible.  I have also heard the opposing view also that says sliding is advantageous and an effective way to move on clay.

I am not saying that there will be no sliding at all but my observations have lead me to believe that sliding is for emergencies only and that the time involved in decelerating the slide and re balancing to recover is time lost.

Watching the likes of Nadal and Ferrer on the clay it is evident that there is a preferred movement style consisting of

Rafael Nadal, Master Series Monte Carlo 2007

Rafael Nadal, Master Series Monte Carlo 2007 (Photo credit: Wikipedia)

shuffles where balance is continually maintained.  Recently, on my trip to Sanchez-Casal it was confirmed to me that moving in balance is the ideal and the one they will train for and sliding is not taught.

The physical demands of playing on clay are high with not only the style of play attacking the an/aerobic systems but also the stress on the rest of the body.  We use the vibrations generated from the foots impact with the floor to create power/force and the aim of the body is to transfer as much of this as possible, seamlessly through to impact.  The lower frictional force between the surface and the shoe causes a quest for force and in addition challenges balance with the body working harder to manage itself.

Does this increase the tension/compression in the body?  I don’t truly know but I can feel the effects of this environment on various parts of my body when training and it is tough.   This feeling suggests to me that the fluidity of movement and the transfer of forces within the actions are of up most importance in producing effect play but also in staying healthy in training.  Force leakage will be magnified and compensations will occur.

Ensure bodies are balanced and transferring force effectively, prepare the body for this and challenge it to organize itself in the most efficient manner and you will see success on the dirt.

Key Messages from Tactical Movement

Tactical Movement is a concept that encompasses all of the 4 performance factors and their linkage in particular the limiting effects of each factor on the overall desired outcome and development goal.  It is a holistic approach to player development putting tactical and physical “contextual” competency at the heart fuelling technical and mental development for a rounded a competent tennis player.

The article recently posted entitled Tactical Movement, I admit was a bit on the long side.  It was a few month process to write and it will become central to the Tactical Movement Workshop I am putting together (rough outline is at the bottom of this article should you be interested).  The aim of this post is to bring out the key messages from the article that form the basis of the thinking behind tactical movement.

Limitation Model,

The limitation model states that the tactical intention governs the requirements technically and physically.  Mentally a player must understand the overall process and the application of the techniques (both racket and physical) and also relate the practices and drills to achieving the tactical intention. Since the mind governs the body the understanding and application limits the technical response to the tactical outcome.  underpinning technique is bio mechanical fluidity and within technique comes footwork and movement patterns that are best suited to the tactical intention.

Therefore there is a requirement to develop physical “contextual” competence that includes footwork, movement and body function in conjunction with racket skills with the overall outcome of a tactical desire.  Within coaching, there must be intervention that addresses this area.

360 approach

The 360 approach calls for attention to be paid to developing footwork and movement patterns to support technical and tactical requirements.

Through a complete sequence of execution from initiation to recovery a player’s body function capability is the limiting factor in what is possible.  Professional players do what they do because they can and even they can and will do it better with improved body function.  In a coaching environment, working with developing players, development can occur if the players body can do what it is being asked to and hence the degree at which they can do it increases.

Quality Factor

In striving for the best quality players must be challenged and taught effective means to push the quality factor.  The body limitations, positioning, court coverage, footwork application and recovery will directly impact the quality factor.

Movement and Footwork

Movement and footwork have a tactical relationship with the game and can be developed and progressed.  Players can be taught how to cover court effectively, which footwork steps to apply when and appropriate recovery within situations.  Further more each of these areas can be broken down and developed from static function of the body to dynamic implementation with the ball. As one may break down the forehand cross court and one can also develop the function of the body to aid in this stroke and furthermore consider the ways of reaching the stroke and recovering from it.  Depending on the situation will depend on the requirement of the body, footwork and movement.

What is coming…

In the coming months my aim is to produce and re visit articles that tie this concept up into a deliverable.  From theory to practical exercises and drills to facilitate the development of young players (primarily in U10 mini tennis) but also applicable to older performance players.

A rough outline could be

  • Limitation model
  • Movement concepts (flight, move in balance, fluid move – Action Zone)
  • Emergencies and opportunities (coping and exploiting)
  • Holistic approach, exploiting comfort zones, exploration and growth within coaching
  • Application/handling Pressure (importance of movement and footwork and court coverage)
  • Technique is movement
  • Basic bio-mechanics and functions of the body (general and tennis related)
  • Tactical Movement (Pro analysis, U10 mini tennis)
  • Practical development of Tactical Movement (static/dynamic exercise, footwork development, progressions to ball)

Thoughts?

Thanks for reading

 

Mike!

 

Applying Pressure Vs. Defend/Rally/Attack

Hi All,  Firstly to those who read Tactical Movement thank you and thank you for the great feedback also.  I have written this as post publishing Tactical Movement as some interesting thoughts came up and I wanted to share this mind field with you all.  Enjoy!

Applying Pressure Vs. Defend/Rally/Attack

I am sure that many coaches have done some variation of the “defend, attack and rally” drill and the purpose of this is not to dispel its use but to offer some thoughts as to ways to make the best out of it.

I have used this exercise from a player perspective, i.e. the player who is choosing to rally, attack or defend and also where from the opponent perspective where the player considers what his/her opponent is doing.

With young players the wording and their connotations have caused me a few issues along the way.  The word attack is the primary offender as to very young players they associate this with ball speed.  Attacking tennis must be played hitting the ball faster, and in many cases causing errors and quite drastic ones at that after all the work they have put in to create this “attacking” opportunity.  Similarly defending is considered to be slower than rally and that rally is medium, again all related to ball speed.

Rally by definition is a ball that keeps the opponent in a neutral position, ideally preventing “attacking” options and also not requiring any defensive mechanisms.  This suggests that two players can rally from neutral positions and that the ability to rally from many positions on the court, providing they maintain the opponent neutral is also rally.  As the competency of rally grows we end up with professional players rallying at extremely high levels which can be perceived as attacking play but really it is rally, just they are good at it.

With younger players there is obviously a wider rally potential and that the match up of players where one player rallies the other defends or a rally ball from one player is seen as an opportunity to attack, meaning that they are not rally balls at all.

This leads me to thinking that the desire for high quality rally balls is of great importance and not from single position but from all over the court (to include rallying on the move).

Time and Space

Tennis is really a game of time and space and controlling both parameters.   These two parameters appear in varying situations.

  1. The time available for a player to manage the space in which they must move and execute
  2. The time and space required to effectively recover
  3. The effect of this on the opponent

Example

Hitting into a space causes the opponent to have to manage a distance (space) in a certain amount of time.  If the space and time is managed well by effective reaction, court coverage and selected footwork then the player will be able to execute an effective shot maintaining rally.   If not then the player must adopt defensive techniques in order to solve the problem of lack of space and time.  The player must be able to create suitable time to recover.  Depending on the management of space and time the player will be able to exploit the space and time of the opponent who will have to manage their space and time to counter.

A player will be comfortable rallying in certain situations and at a certain level and will also have a programmed view on when it is possible to attack and similarly when to defend.  However, player’s choices of these may be contrary to our views.   A player may choose to defend when in fact they could rally and hit a more effective shot given that they had or could have the physical and technical competencies to support this new tactical desire.

There are times in a game where a player will utilise varying ball speeds, spins, flights etc in order to manage their space and time and also to have some impact on the opponent’s space and time.  All degrees of these can be used in any of the three situations although some will be more desirable than others. This is where pre conceived understanding of rally, attack and defend can cause problems.

In essence a player will resort to defending when they feel it is necessary and similarly attack.  It is worth considering whether when a player resorts to defence the player could rally and that surely the player would want to rally before defend where possible.  Also in considering attacking there are more options than just increasing ball speed.

The Pressure Scale

I have thought about using a pressure scale as opposed to Attack, Rally, and Defend in order to encompass more options within play.  In an ideal rally situation both players are 50/50 in pressure and arguably at zero pressure (or the centre of the scale).  A player can apply a pressure in numerous ways by exploiting the opponent’s space and time using a variety of ball speeds, spin, flight, direction etc.

In any instance a certain amount of pressure is applied to the opponent (simply because they now have to deal with and execute their tactics).  In rally the opponent’s goal is to play a shot that keeps the opponent neutral and hence brings their pressure back to 0.  The opponent will want to manage the space and time by covering court efficiently and within the given time frame created by the oncoming ball, apply a footwork pattern to firstly execute and secondly allow recovery, play a shot that allows appropriate recovery and cover the said court again efficiently.

Both players have fluctuated up and down the pressure by applying and feeling pressure.  There has been no need to defend and no player has been able to attack?  Simply pressure has been applied and managed.

Controlling points

Through the application and management of pressure which links seamlessly to the management of space and time which is underpinned by effective tactical movement players can understand how they can control points.

Points are constructed by searching for ways to increase the application of pressure.  When serving, there is chance for the server to apply pressure from the outset.  The returner aims to neutralise and the players will be somewhere on the pressure scale post these shots.  When both players are at the back of the court players will look to construct a point by testing the opponent’s space and time and when appropriate apply more pressure.  This could be through repeated shots to a weakness, playing the ball side to side, injecting pace, using angles and a whole lot more.

This suggests an overwhelming importance to consider rallying in a wider context and also to consider the other 2 situations (attack and defend) in more holistic way.  For example a player may finish the point with a drop shot having constructed the point through consistent rallying exploiting space and time.

Quality Factor

There is of course a variety of quality in play from mini tennis through to professional levels and therefore there becomes a quality factor that at all levels must be considered. Andy Murray’s rally ball is of a much greater quality than mine and within that match (if it were to happen) I would find it difficult (maybe impossible) to rally and apply pressure against him.  Similarly my rally ball will affect certain players in the same way.  The qualify factor dictates that a player can manage the space and time well enough to execute a stroke that manages the pressure and applies a certain required pressure to the opponent.

If two players are rallying but one can maintain a higher tempo than the other, the player with the lower tempo or lack of sustainability at the higher tempo, will break first through error or opportunities to apply pressure.

I am sure we have all seen a player who can get to ever ball and get it back with seemingly low quality but the other player makes the error first.  There could be a few reasons for this.  The player with the lower quality shot is managing their time and space well, although presenting opportunity for the opponent to apply pressure.  The opponent sees this opportunity but tries to apply pressure through pace and continually increases this pace until the error appears.  This, I would consider, to not be very smart play.  The player has neglected rally and assumed the old meaning of attack, instead of applying more and more pressure through direction, controlled pace and spin etc where undoubtedly the opponent would be forced to strive for higher quality or alter tactics.

A player will want to be able to inject pace into the ball in order to reduce time for the opponent and there is a time and a place for this as is there for any other shot.  It is the point of the shot and the way the space and time is managed that will affect the outcome.

Limitation model links

My limitation model suggests that the 4 performance factors (technical, tactical, physical, mental) each limit one another, the tactical factor being the one that provides purpose for the others.

Taking the rally concept the tactical outcome would be to be able to rally over increased distances and in varying court positions under certain degrees of pressure.

The considerations that follow are

  1. To what degree can the player do this?
  2. What techniques are working and which could do with some help?
  3. Is the player covering the court?
  4. Is the footwork choice appropriate?
  5. Does the player recover effectively and to an optimal position?
  6. Does the stroke keep the opponent neutral and apply sufficient pressure?

Although there is a racket requirement to handle to sending of the ball there is also a heavy movement and footwork requirement which precedes it.  In order to rally in such a wide context a player will need a host of physical ability including applying certain movement techniques and footwork patterns to achieve the tactic.  If players are doing this well then the racket skill can be optimised.  Ideally it is all done in conjunction at the same time.

Considering this in a holistic manner to include the 4 performance factors players will understand what it is they are trying to do and also understand the progressions that you employ as a coach to improve certain areas within the whole game.

Note on Mini Tennis

This idea can be worked on within mini tennis red, orange and green and of course full ball.  The idea being that if a player can rally from behind the baseline with a sponge ball can the player rally on the move?  Can the player manage the space and time on the red court?  Can the player use a variety of shots to manage pressure and apply pressure?

I believe that a player in mini red can do these things and that this is what will effectively allow players to reach high levels.  If a player struggles to manage space and time on the red court how can you justify moving to orange?

This last part on mini tennis is to put the logic of keeping children in the stages for as long as possible in order to fully develop the skill set and understanding of the wider game.  It is possible for a player to be behind the baseline, using a variety of shots to play the game, managing space and time and looking for ways to exploit space and time of the opponent.

Thanks for reading!