2nd science of football summit - milan 24th march...

2nd Science of Football Summit - Milan

24th March 2014

CARLO CASTAGNA PhD

Italian Football Referees Association

FIFA F-MARC

Technical Dept. FIGC, Coverciano

2nd Science of Football Summit - Milan 24th March 2014

INJURY PREVENTION IN ELITE REFEREEING

SETTORE TECNICO

Plan of the Talk

Match Demands Fitness Requirements Training Injury Prevention Future Directions


The Match


Match Demands

Weston et al. 2008

Players Referees

%HRmax

%VO2max

11-12

70-80

HIA

Sprinting 110%

Fatigue

70-80

10-12 Km Tot. Dist.

4-18% 3-18%

Activities 1300 1200-1400

? RSA Paradigm

18%

Castagna et al. 2007; Stølen et al. 2005

80-90 80-90


Match Demands

Weston et al. 2008

Referees Vs Players Weston et al. 2007


Match Performance

Referees do:

More Total Distance

Similar HIR

Less Sprint but Longer

Referees Vs Players

Weston et al. 2011


Match Demands: Ref vs Plyr

Profile of COD angles in Football Referees and Players

30-60° 60-90° 90-120° 120-150° 150-180°

68%

16% 7% 5%

4%

69%

17%

6% 4% 3%

Players (700 CODs)

Referees (500 CODs)

Castagna et al. 2012 unpublished


More backward

More Sideways

Match Demands: Assistants

7.28km (5.78-8.16) Total Distance

High Intensity

Sideways

%HRmax

VO2max

Krustrup et al 2002; Mallo et al 2008-2009; Barbero-Álvarez et al 2012

73% (60-88%)

65% (53-80%)

1.15km (0.86-1.44)

1.16km (0.12-2.34)

Activity Changes 1053(832-1459)


Fitness Requirements

FR AR

HI-Endurance

RSA

Agility

++++ ++

++++ ++++

++++ ++

Injury Prev. ++ ++

Speed Endurance Maintenance 1:<5

Production 1:>5

New Entry

5’’< Bouts ≤ 30’’


Physical Performance

Players Max Effort Required

Officials Economy of Effort Required

Keep up with the game

Be in Right Place at Right Time

Motto:

Train Hard to Stress Less in the Pitch

Training: Philosophy


Activity Load


Sessions* 2285 Weekly Load 4,2 Matches 389 Rate 18,5

Serie-A 12-13 Season

*Supervised August-May

8-10 FIFA-UEFA


Physical Exposure

Physical Exposure

Training 3032 h

=

Appointments 778 h

Total 3810 h

Serie-A 12-13 Season


Injury Rate 0.03/1000h

The Injury Prevention


Referees vs Players: Injury

No-Contact Injury Similar incidence Gender Difference

Players vs Referees

Bizzini 2010


Injury@Complaints

Competitive levels Gender Age

Injuries

Hams

Calves

Ankles

Complains

Hams Calves

Low back

Knee Achilles

FRs Similar injuries & complaints profile across:


Bizzini 2010

Monitoring Complaints

Bahr et Maehlum 2004

…complaints in the low back and Achilles tendon might rather reflect symptoms of overuse injuries…

Bizzini 2010


Muscleskeletal Complaints

Methodological Concern

CAN-A Stagione 12-13

Emicrania 0 2 3 0 3 0 0 0 0 0 0 0

Dolore al Collo 3 5 2 3 3 2 0 0 1 1 1 0

Mal di Schiena 4 4 3 4 3 2 2 1 3 3 1 0

Dolore all'Anca 0 1 0 0 0 0 0 0 0 0 0 0

Dolore all'Inguine 2 1 0 0 0 1 0 2 2 1 1 0

Dolore al Quadricipite 2 3 1 1 0 1 0 0 0 0 1 0

Dolore Flessori gin. 4 4 0 2 1 2 0 1 0 0 2 0

Dolore Adduttori 1 2 1 1 0 0 0 2 1 3 3 1

Dolore Tendine Rotuleo 0 0 0 1 0 0 1 1 1 0 0 0

Dolore al Ginocchio 2 1 0 0 1 1 0 0 0 0 0 0

Dolore Tendine d'Achille 13 8 8 9 7 5 6 7 8 8 7 7

Dolore Polpaccio 1 2 2 5 4 4 4 2 2 3 3 2

Dolore alla Caviglia 2 0 1 2 0 1 0 1 0 1 0 0

50%



Achilles-Tendon Prevalence 24-62%


Pilot Study: Italian Elite Referees

Serie A Serie B Achilles

Calf

Lower Back

37% 23% 26% 13%

30% 12%

Association with match participation

12-13 Season



0%

5%

10%

15%

20%

25%

30%

35%

40%

Field Referees Complaints 2013-14 Season

AE CAN A

AE CAN B

AE CAN PRO



0%

5%

10%

15%

20%

25%

30%

35%

40%Complains Serie A Field Referees

2012-13 vs 2013-14 Seasons

2012-2013

2013-2014



0%5%

10%15%20%25%30%35%

Serie A vs Serie B Assistant Referees 2013-2014 Season

AA CAN A

AA CAN B


Injury Prevention

“Safe” Training Prescription Recovery FIFA 11+ Strategy Physiotherapy as Routine Personal Training (n=52) 2 Training Camps per month Isokinetic Assessment

What we do?


Injury Prevention

Easytech Genu PLus Two assessments Population Normative Training Prescription

Isokinetic Profiling


Ecological Approach to IP

Over-use Injuries Injuries Warm-up In the Field

Injury Prevention Program

FIFA 11+ Rs@ARs


Thank you for your Attention!

2nd science of football summit - milan 24th march...

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