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II. Talent identification: multidisciplinary

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... SOCCER TALENT Morphological Physiological Technical EUROFIT A robic endurance treadmill Ana robic endurance and power Shuttle tempo Van de Walle test Speed ... – PowerPoint PPT presentation

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Title: II. Talent identification: multidisciplinary


1
Talent identification Growth and maturation Age
effects in soccer
Sporiš Goran, PhD. http//kif.hr/predmet/mki http
//www.science4performance.com/
2
Multidusciplinary model
Performance related characteristics
3
Talent identification
Selection
Development
Detection
Identification
4
Sample and design
5
Sample and design
-12 -13 -14 -15 -16
mixed-longitudinal 75 158 173 143 116
cross-sectionial 82 104 42 49 68
total number 157 262 215 192 184
total number of players tested 665 total
number of observations 1086
6
Morphological
Physiological
Technical
SOCCER TALENT
Psychological
Sociological
7
  • Height and weight
  • 10 skinfolds
  • Breadth measurements
  • Circumferences
  • Skeletal maturation (TW2)
  • Secundary sexual characteristics (Tanner stages)

8
Morphological
Physiological
Technical
SOCCER TALENT
Psychological
Sociological
9
  • EUROFIT
  • Aërobic endurance
  • treadmill
  • Anaërobic endurance and power
  • Shuttle tempo
  • Van de Walle test
  • Speed (and agility)
  • 30 m sprint
  • 5x10 m Shuttle sprint
  • Strength
  • VTJ, CMJ
  • Isokinetic en isometric (BIODEX)

10
Morphological
Physiological
Technical
SOCCER TALENT
Psychological
Sociological
11
  • Slalom dribbling test
  • Accuracy of shooting
  • Accuracy of passing (lob)
  • Juggling
  • Competition level
  • national, provincial, local
  • Field position

12
Morphological
Physiological
Technical
SOCCER TALENT
Psychological
Sociological
13
  • Sport Interpersonal Relationship Q
  • (Wylleman et al., 2000)
  • Task and Ego Oriëntation in Sport S
  • (Duda, 1989)
  • Intrinsic Motivation Inventory
  • (McAuley et al., 1989)
  • Self Description Q II
  • (Marsh, 1990)
  • Sources of Sport-Confidence Q
  • (Vealey et al., 1998)

14
  • Perceptual skills and decision making

15
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16
I. Problem of maturation?
  • Do soccer players grow earlier and faster?
  • Soccer players early or late mature?
  • Physical characteristics in relation to PHV?

17
Morphological maturation PHV
  1. Do soccer players grow earlier and faster?

average mature
late mature
early mature
18
example Height
cm/year
age
19
example Height
cm/year
mean age at peak velocity
age
20
Height and weight
height
weight
APHV 13.8 years
21
  • Question 1
  • Do soccer players grow earlier and faster than
    their peers?
  • Answer 1
  • earlier probably
  • faster NO !

22
  • 2. Soccer players early or late mature?

CL12.0 jaar SL9.0 jaar Height143.1 cm
CL12.6 jaar SL13.5 jaar Height165.0 cm
23
10.5 jaar
17.5 jaar
24
National level
?
25
Provincial level
?
26
Local level
?
27
  • Question 2
  • Soccer players early or late mature?
  • Answer 2
  • on average early mature

28
3. Physical characteristics in relation to PHV?
29
example Standing Broad Jump
cm/year
age
30
example Standing Broad Jump
cm/year
mean age at peak velocity
age
31
Explosive strength
SBJ
VTJ
32
Speed
SHR
SSPRINT
30m SPRINT
33
Aërobic and anaërobic endurance
34
Flexibility
SAR
35
3. Physical characteristics in relation to PHV?
Strength and Speed
Flexibility
Aërobic and anaërobic endurance
36
II. Talent identification multidisciplinary
Selection
Development
Detection
Identification
37
Aërobic endurance
Variable Age National Provincial Local Diference
ESHR (min) -12 7.9 0.9 8.0 0.7 7.2 1.3 n.s.
-13 8.6 1.5 8.1 1.6 7.7 1.4 NgtltG
-14 9.6 1.4 9.2 1.0 8.2 1.4 N,PgtltG
-15 10.7 1.2 9.5 1.4 8.7 1.6 NgtltPgtltG
-16 10.9 1.5 10.3 2.1 8.9 1.7 N,PgtltG
38
Aërobic endurance VO2max
Variable Age National Provincial Local Diference
VO2max -12 55.9 7.0 60.2 4.8 53.9 5.8 PgtltG
(ml/kg/min) -13 57.0 4.6 57.2 6.8 53.1 4.6 N,PgtltG
-14 57.3 5.7 56.8 4.3 53.2 4.9 N,PgtltG
-15 59.5 4.9 56.5 4.0 53.4 6.3 N,PgtltG
-16 57.4 4.6 56.1 4.2 54.7 3.3 NgtltG
39
Anaërobic endurance Shuttle Tempo
Variable Age National Provincial Local Diference
STEMPO -12 77.4 4.8 72.3 2.4 80.1 5.4 PgtltG
(sec) -13 75.1 4.4 76.0 5.7 78.0 4.6 NgtltG
-14 72.4 3.6 74.4 4.4 76.4 5.4 NgtltG
-15 70.1 4.0 73.0 6.0 74.8 6.0 NgtltG
-16 67.6 3.7 69.3 3.6 72.1 4.6 NgtltG
40
Speed
Variable Age National Provincial Local Difference
30 m (sec) -12 4.5 0.2 4.5 0.3 4.8 0.3 N,PgtltG
-13 4.4 0.2 4.5 0.2 4.6 0.2 NgtltP,G
-14 4.3 0.2 4.3 0.2 4.6 0.3 N,PgtltG
-15 4.1 0.2 4.2 0.2 4.4 0.3 N,PgtltG
-16 3.9 0.2 4.0 0.2 4.1 0.2 NgtltG
41
Speed
Variable Age National Provincial Local Difference
SSPRINT -12 14.5 0.5 15.0 0.8 15.5 0.9 NgtltG
5 x 10 m -13 14.5 0.8 15.3 0.8 15.1 0.6 NgtltP,G
(sec) -14 14.3 1.1 14.9 0.9 14.9 0.9 NgtltP,G
-15 13.9 0.7 14.6 1.0 14.4 1.0 NgtltG
-16 13.6 0.9 14.1 0.8 14.1 0.6 NgtltP
42
Strength
Variable Age National Provincial Local Difference
VTJ (m) -12 32.4 4.5 34.1 5.3 30.0 5.0 ns
-13 33.7 4.8 32.9 5.1 30.6 4.4 NgtltG
-14 37.0 5.1 37.0 4.4 34.3 5.4 N,PgtltG
-15 40.4 4.7 40.0 5.3 35.7 5.7 N,PgtltG
-16 44.8 5.0 45.5 5.8 40.0 6.5 N,PgtltG
43
Flexibility
Variable Age National Provincial Local Difference
SAR (cm) -12 19.3 5.4 17.6 5.3 19.0 5.5 n.s.
-13 19.1 6.1 18.3 6.7 18.6 5.0 n.s.
-14 20.4 6.1 18.0 6.9 18.1 6.2 n.s.
-15 21.9 7.3 17.3 8.3 17.3 6.3 NgtltP,G
-16 22.8 6.9 19.8 8.2 15.5 7.8 NgtltG
44
Slalom dribble
Variable Age National Provincial Local Difference
Dribbling -12 19.2 1.6 19.0 1.4 20.8 2.1 NgtltG
(sec) -13 18.1 1.5 18.8 2.2 19.5 1.9 NgtltG
-14 17.4 1.6 17.8 1.1 19.3 2.4 N,PgtltG
-15 17.2 1.3 17.4 1.2 19.2 2.2 N,PgtltG
-16 16.5 1.3 17.4 0.8 17.5 1.1 N,PgtltG
45
Anthropometry
Variable Age National Provincial Local Difference
Height (cm) -12 147.7 6.8 148.4 6.3 145.9 6.7 n.s.
-13 151.8 6.4 152.1 6.0 153.6 7.4 n.s.
-14 158.2 9.3 160.4 7.6 159.8 8.8 n.s.
-15 167.0 9.2 168.9 7.1 167.4 8.8 n.s.
-16 172.0 7.4 174.5 8.5 174.1 7.7 n.s.
46
Example Duarte, age -16
P10 P25 P50 P75 P90
Height (cm) 161.3 167.0 173.1 177.7 182.2
Weight (kg) 47.7 52.9 57.7 64.7 70.9
Sum 5 skinfolds (mm) 17.5 26.1 31.2 39.6 47.7
Sit and Reach (cm) 10.0 15.9 20.5 26.0 31.0
10 x 5 m SHR (sec) 21.3 19.9 18.9 17.9 17.4
Endurance SHR (min) 6.5 8.0 9.5 11.0 12.0
Dribbling (sec) 19.2 18.0 16.9 15.9 15.4
47
The effects of task constraints on visual search
behaviour and decision-making skill in youth
soccer players
  • Roel Vaeyens, Matthieu Lenoir, Mark Williams,
  • Liesbeth Mazyn Renaat Philippaerts
  • (Journal of Sport and Exercise Psychology, 2005,
    submitted)

48
Test tactical skills
  • Universal
  • film clips of simulated soccer actions
  • lab projection on life-size screen
  • Decision taking open offensive situations
  • 2 vs 1
  • 3 vs 1
  • 3 vs 2
  • 4 vs 3
  • 5 vs 3

49
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50
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51
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52
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53
Mean number fixations/sec per group and situation
54
Mean fixation duration per group and situation
55
Fixation location 3 vs 1
56
Fixation location 5 vs 3
57
II. Talent identification multidisciplinary
Selection
Development
Detection
Identification
58
Selection of younger players in 1st team?The
Belgian caseEvaluation of the under-21 rule Do
young adult (U-21) soccer players benefit?
  • Roel Vaeyens Renaat Philippaerts
  • Ghent University
  • Dept. Movement and Sports Sciences

59
Methods
  • Official match data from Royal Belgian Football
    Association
  • 2e national (D2) 3e national A (D3)
  • 4 seasons
  • 1998-1999
  • 1999-2000
  • 2000-2001
  • 2001-2002
  • 53 teams 2138 players

60
Team selections conform -21 rule ()
61
Means ( SD) of number of selections and playing
minutes per player and per season (D2)
Season Season Season Season
Age group 98-99 99-00 00-01 01-02
Selections U21 13.6 10.5 12.5 10.4 13.0 10.9 12.8 11.0
21 23.1 9.6 22.6 10.5 22.7 9.3 23.1 9.5
Minutes U21 732.2 840.1 605.6 804.0 672.4 830.6 620.5 845.9
21 1637.4 942.2 1646.9 1019.2 1625.6 908.6 1669.0 923.0
62
Conclusions
  • Teams in conformity with the U-21 rule
  • Rather large variation within and between teams
  • No increase in playing opportunities for young
    adult players in 1st team
  • Solutions
  • change in mentality of trainers-coaches, clubs
  • better youth education programme
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