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Goalkeeping Performance Analysis

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Presentation on theme: "Goalkeeping Performance Analysis"— Presentation transcript:

1 Goalkeeping Performance Analysis
Andy Elleray

2 About Andy 24 years old, from London Enjoy filming! The mind!
Statistics! The mind! Writing!

3 About Andy Football Analysis: Cheltenham Town, Liverpool, Chelsea
Coach: Cheltenham Town, Hereford United, Worcester City, Worcestershire FA Playing: Amateur/Semi Pro, 8 different Sports at University, Great Britain & England Blind Football (sighted goalkeeper) Academic Msc Sports Coaching, Bsc (hons) Sports Science, Diploma in Sports Management UEFA B + UEFA B Goalkeeping - currently completing ISPAS (International Society of Performance Analysis in Sport) Accredited Level 6 analyst

4 About Andy Main claim to fame…….!!!

5 Contents Video Analysis – History, Systems & Implementation
Biomechanics – Movements & Techniques Performance Analysis – Created Systems Research Games Based Training The Future All of the stats are fictitious – only to show how the system works Can only show certain clips – mainly to show processes not specific information

6 Video Analysis

7 Video Analysis Quick Background
A key component of the coaching process Reduces the gap between subjective (views and opinions) and objective (evidence and observations) reasoning Used to monitor, develop, measure and enhance Key Performance Indicators – KPIs Positive re-enforcement – especially for young GKs Due to my experiences in goalkeeping can tailor everything to meet needs and work closely with coaches PROVIDES EVIDENCE

8 Video Analysis Easily accessible???
Basic video cameras come with editing software Free software available online Not as expensive as you might think Benefits and supplement to coaching – Priceless!

9 Video Analysis Software
SportsCode – very advanced and powerful analysis tool Kinovea – My own software – used at other clubs and in my own coaching Storage of sessions Library of saves, technical points and feedback examples

10 Video Analysis For GKs Overview
Looked around for analysis systems for GKs……….didn’t find anything useable Very generic and not GK specific Using general football ideas and research through Msc and coaching was able to explore new ideas My Msc dissertation found a large gap in GK video and performance analysis at youth development level Through starting video support in my own sessions has enabled me to be in the position I am today

11 GK Performance Analyst
Video Analysis For GKs GK Performance Analyst Analyst Coach Player

12 Video Analysis For GKs Match Viewing
Traditional ‘TV’ view gives limited feedback opportunities i.e. usually when the GK is directly involved in play Previous research dictated that GKs aren’t involved in play 85% of the match (based upon 1 season – don’t need statistics to realise this) Wanted to investigate ‘off the ball’ involvement Have tried filming from behind the goal for GK’s view Came up with a GK player cam and match view playing together

13 Video Analysis For GKs Match viewing
Opens up previously neglected areas: Positioning without the ball Support play Communication Starting positions ‘Coding’ specific to GKs – when matches are reviewed the individual clips are broken down into the above areas along with shots, crosses, set plays, counter attacks and distribution.

14 Video – GK Development Plans
Built into their weekly plans – specific sessions Mon – Matches/Thurs – Weekly Training (Also when necessary) Constant liaising with coaches Done in the following ways: Coach – GK Coach – GK – Analyst Analyst – GK (after consultation with coach) 1 GK or a group depending on the analysis session Used to assist report writing and performance monitoring e.g. jump testing

15 Video – GK Development Plans: Matches
GK would look back at their coded match areas with the coach on a 1 to 1 basis My role as analyst is to prepare selected clips and whatever information the coach wants (more on this later) Coach would feedback their points from the game. A very interactive process that gets the GK thinking about their whole performance When coaching I do this myself so assuming both roles

16 Video – GK Development Plans: Training
Broken down into small clips or 1 main coaching point Most feedback takes place after the session In some instances the coach will stop the session and use immediate feedback looking at the clips there and then Comparisons of techniques – split screens Zoom in to really dissect technique Widescreen to look at set position and positioning in the goal Experimented with various angles – depending on the coaches direction or session topic e.g. dive angle

17 Video – GK Development Plans: Training
2 cameras for the same action (gives a good reflection how the GK is moving) Young GKs love seeing videos! Use this engagement to productive a productive environment Short – sweet – to the point…don’t overload with hours of clips focus on the points you want to make Structure is the key!

18 Examples

19 Examples

20 How To Use? The GKs work mostly on their own performance, but also the below model can be applied: Self – own performances Peers – others in their club/age group to start discussion and questions Ideal – Pro GKs – Match of the Day Saves of the week, YouTube videos Question sheets and grading used

21 How To Use? Ideal Model – However…
Previous academic research states that this approach can be dangerous because it assumes this skills are applicable to all levels of performance… A need to keep reviewing the ‘most appropriate’ skills and techniques Based upon areas such as ball changes, player evolvement, roles in the team and trial and error of practice Are there ‘ideal’ saves or movements for Gks? KEEP CHALLENGING OURSELVES! BE ONE STEP AHEAD OF THE OPPOSITION

22 How To Use? Interactive session plans – example real life video drills next to traditional session plans iPad being worked on Feedback presentations – using video clips of the ‘ideal’ drill execution or exercise to compare their session to Selected video clips on a PowerPoint video annotated notes and coaching points on

23 Coach Assistance… Head down…strike the ball…???
When serving and involved in the session…sometimes hard to see the GKs initial movements and saves So much going on in a session Video allows for recall of all incidents! Assists the coach to look at sessions and matches retrospectively

24 Summary An extremely powerful tool if structured and delivered appropriately Tried and tested a variety of different feedback and interaction methods Easy to use if the basic resources are available, You don’t need high-tech software to produce video analysis Ever growing and evolving area of goalkeeping development and performance

25 Biomechanics

26 Biomechanics Overview Study of human movement Looked at:
Set positions – grounded feet upon shot impact COM – velocity, quickest route… Dive angles Power step and force movement Jumping techniques General motor skills in relation to goalkeeping Other sports Cant show the best examples unfortunately!

27 Biomechanics Basic Handling: Where the GK catches the ball
Relating to their body Watch the ball! Wouldn’t believe throughout all the sessions + matches how many GKs don’t watch the ball

28 Biomechanics Diving Power and Angle:
Unfortunately can’t show my detailed work here… ‘Diving’ Position Head - Behind the ball. Hands - Will lead, take the ball early as possible and keep the elbows in front of the line of body. Feet – Step off the nearest foot to the ball, off the front studs at a 45 degree angle.

29 Biomechanics Diving Power and Angle:
Working on moving head and hands towards the ball Stronger body shape Stepping into the dive and not collapsing Quicker movements – broken down into 3 areas of analysis Previous research – in addition to my own analysis and observations over the past few years

30 Biomechanics Diving Power and Angle: Initiation Take off Ball contact

31 Biomechanics

32 Biomechanics Crossing:
Working on the ‘standard’ crossing coaching points Point the toe ‘up’ to engage the leg muscles for more power and stability Working a lot of ‘timing’ and the ‘decision making’ behind crossing – a lot of video work (initial movements)

33 Biomechanics Watched hundreds of training sessions, matches, gym sessions!!! Goalkeeping is a 360 degree reaction position, not just reaction saves but responding to crosses, through balls, shots, defensive situations, starting attacks etc… Very rarely are 2 actions ever the same – obviously similarities but due to the nature of the game movements are always varied – need to practice ‘unorthodox’ actions – examples?

34 Biomechanics Use/advocate quick powerful movements: Plyometrics
Futsal, Basketball, Handball, Tennis, Badminton, Hockey, Volleyball and Gaelic Football movements – similarities from all sports – Youth Level Powerful – Quick – Dynamic – Reaction – Agility Train in isolation/build into technical practices Based upon research and observations + Use in my own coaching

35 Biomechanics Varied unpredictable practice (more on this later…)

36 Biomechanics Why not???

37 Biomechanics Gets the body moving in ‘irregular/non linear ways’ – which is what a GK performs in a match Do we coach the drill or the actual session topic? Should we coach a variety of techniques and movements so the GK is ‘equipped’ with the tools to be successful in any situation? Have GK’s using their whole bodies to save if necessary More on my research later on…….

38 Summary Take elements of other sports actions – training – movements into GK training Add to the specific match training Studies have looked to find areas to improve i.e. dive techniques, jumping Ways to which to work on these A lot more work to be done – more on this at the end

39 Performance Analysis

40 Performance Analysis Overview
Performance Analysis is the holistic part of the roles I’ve assumed Combining video, biomechanics, statistics, coach dialogue, development plans, feedback, performance monitoring, psychology – the whole process Statistics – good but can be misleading at times…used to try and add a different dimension A vital part of the coaching process

41 Performance Analysis Statistical Saving SnapShot
A more accurate way of measuring saves ratios – ‘Johnny your save % this season was 65%’...what does that even mean!!! What kinds of saves? What type of shots? Where from? Without over-kill here, have designed this system See hand-out for more details

42 Performance Analysis Statistical Inspired by… Moneyball!
Wanted to investigate statistics in GKs further To see if I could find ‘relevant’ and ‘useable’ data for coaches Examples of a few systems – ever evolving but used for past 2/3 seasons at youth and pro level

43 Performance Analysis Saving SnapShot

44 Performance Analysis Saving SnapShot

45 Performance Analysis Saving SnapShot

46 Performance Analysis Saving SnapShot

47 Performance Analysis Saving SnapShot Looking for trends
Records saves and goals ratios Easy to record Always looking to evolve and make more accurate Plans to add ‘saves with the feet’ along with a few more ideas Some coaches prefer visuals, some statistics Always important, if possible, to have video footage to backup the statistics

48 Performance Analysis Distribution
Created 4 years ago – found a couple of similar methods but didn’t produce the statistics I wanted Measures: Frequency Success Retention

49 Performance Analysis Distribution Pitch Maps Trends
Individual Distribution Actions Time on the ball – long/short distribution Overall statistics – see hand-out (wouldn’t give all this information to a coach

50 Performance Analysis Distribution

51 GK Conference FC v Barcelona Andy Elleray - 16/06/2012
2nd half GK Conference FC v Barcelona Andy Elleray - 16/06/2012 Key Won – Poss Retained Won – Poss Lost Lost – Poss Retained Lost – Poss Lost Throw 1st Half

52 Performance Analysis Distribution
Match + GK GK Actions Won Lost % Retained Not Barcelona (AE) 12 8 4 67% 11 1 92% Real Madrid (AE) 30 23 7 77% 20 10 Ajax (AE) 27 26 96% 22 5 82% Total 69 57 53 16 Can be done for each GK, Home/Away or different competitions

53 Performance Analysis Goals Analysis
Simple way of recording where goals go in Looking for trends Not just for the GK Usually done with older GKs but always good to monitor Examples…….

54 Performance Analysis Goals Analysis

55 Performance Analysis Goals Analysis Save in the red zone
Tailored to different ages/abilities Relate to goal setting Save the balls in and around

56 Performance Analysis Goals Analysis

57 Performance Analysis Goals Analysis

58 Performance Analysis Psychology
Worked with various GKs at different levels Specific GK work Have used different questionnaire + interview based techniques Looked at building confidence, dealing with anxiety, coping with mistakes and improving concentration Performance profiles, imagery, visualisation, positive mind set… Not the main emphasis of the presentation – speak to me at anytime for further details

59 Performance Analysis Psychology
Performance Profiles – main area linked to video analysis – won’t give away all my secrets! Gets the GKs to review their own performances/attributes and combine with coach views Linked to identifying the crucial attributes of top GKs Selecting the best attributes from each top GK to create the ultimate GK! All linked to the video analysis work done

60 Summary Crucial in the coaching process
Find a way to measure, test or monitor an area of performance – if nothing exists for what you want…create it! Can be tailored to the ability, age and experience of the GKs you’re working with Can be replicated at grassroots level quite easily New systems being created all the time

61 Additional Areas

62 Research

63 Research Am presenting 2 podium presentations at the ISPAS (International Society of Performance Analysis in Sport) World Congress in July 1 – based around logging match actions over 2 whole seasons and comparing to the actual training sessions – do we train what occurs in matches? 2 – an overview of my Performance Analysis support systems over 4 different clubs from a scientific approach

64 Research 1 1 – based around logging match actions over 2 whole seasons and comparing to the actual training sessions – do we train what occurs in matches? Findings this was not the case Agreed with a 2012 FIFA study Suggestions on different ways to train GK as a playmaker! Results – ISPAS 2012…….

65 Research 2 – an overview of my Performance Analysis support systems over 4 different clubs from a scientific approach Goes into detail about my work and research Similar to what I’ve done today

66 Games Based Training

67 Games Based Training Developed over 6 years to offer a different approach to technical training 80+ games Designed for coaches with 4+ GKs Focuses on different topics (shot stopping, 1 v 1s etc) within small specially designed games Works on all motor skills in a fun learning environment Used with grassroots and elite GKs with a great deal of success and positive feedback

68 Games Based Training Combine a variety of different sports, balls and environments Works closely with the biomechanics chapter to develop core motor skills and general athleticism Focuses on the TGfU coaching theory Places the learning emphasis on the goalkeeper Ask questions into their performance Lets them find appropriate techniques for different situations

69 Games Based Training Triangle Goal Game

70 Games Based Training Multi-Goal

71 The Future

72 The Future Studying into how we make decisions and how our body reactions to different scenarios Detailed study into GK biomechanics and motor control Main question……. Do our bodies respond differently to prescribed or varied practice? Looking into muscle activation and the importance of the ‘power step’ and not collapse dives (biomechanics part of presentation)

73 The Future Why do we tell the GK where the ball is going during technical training? From a novice (cognitive learning phase) Prescribed good for familiarity and building confidence Later on in development need to work more varied – more decisions

74 The Future Building upon 2 previous studies – although the findings/experiments can be improved Coach friendly results Have an initial willing participant! Looking to build an intervention study

75 Conclusion Brief insight into some of the areas I’ve looked into
Everything based on my experiences Trial and error of numerous systems Always looking to improve More systems, methods and experiments on-going ‘Scientific Approaches to Goalkeeping in Football’ being developed Improving GK performance and sharing ideas!!!

76 Conclusion ‘We cannot solve our problems with the same thinking we used when we created them’. Albert Einstein

77 Questions

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