Post on 06-Feb-2018
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
2nd Science of Football Summit - Milan 24th March 2014
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
2nd Science of Football Summit - Milan 24th March 2014
Match Demands
Weston et al. 2008
Referees Vs Players Weston et al. 2007
2nd Science of Football Summit - Milan 24th March 2014
Match Performance
Referees do:
More Total Distance
Similar HIR
Less Sprint but Longer
Referees Vs Players
Weston et al. 2011
2nd Science of Football Summit - Milan 24th March 2014
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Castagna et al. 2012 unpublished
2nd Science of Football Summit - Milan 24th March 2014
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)
2nd Science of Football Summit - Milan 24th March 2014
Fitness Requirements
FR AR
HI-Endurance
RSA
Agility
++++ ++
++++ ++++
++++ ++
Injury Prev. ++ ++
Speed Endurance Maintenance 1:<5
Production 1:>5
New Entry
5’’< Bouts ≤ 30’’
2nd Science of Football Summit - Milan 24th March 2014
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
2nd Science of Football Summit - Milan 24th March 2014
Sessions* 2285 Weekly Load 4,2 Matches 389 Rate 18,5
Serie-A 12-13 Season
*Supervised August-May
8-10 FIFA-UEFA
2nd Science of Football Summit - Milan 24th March 2014
Physical Exposure
Physical Exposure
Training 3032 h
=
Appointments 778 h
Total 3810 h
Serie-A 12-13 Season
2nd Science of Football Summit - Milan 24th March 2014
Injury Rate 0.03/1000h
Referees vs Players: Injury
No-Contact Injury Similar incidence Gender Difference
Players vs Referees
Bizzini 2010
2nd Science of Football Summit - Milan 24th March 2014
Injury@Complaints
Competitive levels Gender Age
Injuries
Hams
Calves
Ankles
Complains
Hams Calves
Low back
Knee Achilles
FRs Similar injuries & complaints profile across:
2nd Science of Football Summit - Milan 24th March 2014
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
2nd Science of Football Summit - Milan 24th March 2014
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%
Monitoring Complaints
2nd Science of Football Summit - Milan 24th March 2014
Achilles-Tendon Prevalence 24-62%
Monitoring Complaints
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
2nd Science of Football Summit - Milan 24th March 2014
Monitoring Complaints
0%
5%
10%
15%
20%
25%
30%
35%
40%
Field Referees Complaints 2013-14 Season
AE CAN A
AE CAN B
AE CAN PRO
2nd Science of Football Summit - Milan 24th March 2014
Monitoring Complaints
0%
5%
10%
15%
20%
25%
30%
35%
40%Complains Serie A Field Referees
2012-13 vs 2013-14 Seasons
2012-2013
2013-2014
2nd Science of Football Summit - Milan 24th March 2014
Monitoring Complaints
0%5%
10%15%20%25%30%35%
Serie A vs Serie B Assistant Referees 2013-2014 Season
AA CAN A
AA CAN B
2nd Science of Football Summit - Milan 24th March 2014
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?
2nd Science of Football Summit - Milan 24th March 2014
Injury Prevention
Easytech Genu PLus Two assessments Population Normative Training Prescription
Isokinetic Profiling
2nd Science of Football Summit - Milan 24th March 2014
Ecological Approach to IP
Over-use Injuries Injuries Warm-up In the Field
Injury Prevention Program
FIFA 11+ Rs@ARs
2nd Science of Football Summit - Milan 24th March 2014