Psychophysiological profile and prediction equations for technical performance of football players

Vaz, Marcelo S.; Ribeiro, Yuri S.; Pinheiro, Eraldo S.; Del Vecchio, Fabrício B.

doi:10.1016/j.rbce.2018.04.009

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Original article • Rev. Bras. Ciênc. Esporte 41 (2) • Apr-Jun 2019 • https://doi.org/10.1016/j.rbce.2018.04.009 copy

Psychophysiological profile and prediction equations for technical performance of football players

Perfil psicofisiológico e equações preditivas de desempenho técnico em jogadores de futebol

Perﬁl psicoﬁsiológico y ecuaciones predictivas de rendimiento técnico de jugadores de fútbol

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The objective was to correlate specific technical skills (STS) with the psychophysiological performance. STS from 15 soccer athletes were collected by technical scouting of two matches. Countermovement jump, blood concentration of creatine kinase ([CK]), heart rate variability (HRV) and the scores of DALDA and POMS were also obtained 24 h after both matches. Predictive equations were elaborated, and POMS and DALDA scores were the only variables which fits the models for STS with high coefficient of determination (r²) for finalization (r² = 0.85), interception (r² = 0.73), pass right (r² = 0.32), tackling (r² = 0.69) and loss of ball (r² = 0.35). The psychological variables identified through POMS and DALDA have shown greater influence on the STS.

Keywords
Soccer; Motor skills; Psychology, sports; Athletic performance

STS	Zone	Region	Opponent
Right pass	Z2^a a Difference between Z2 and Z1 (p < 0.05). ^, ^b b Difference between Z2 and Z3 (p < 0.05). > Z1^c c Difference between Z1 and Z3 (p < 0.05). > Z3	Right^d d Difference between Right and Left (p < 0.05). ^, ^e e Difference between Right and Center (p < 0.05). > Left^f f Difference between Left and Center (p < 0.05). > Center	Yes > No^g g Difference between Yes and No (p < 0.05).
Wrong pass	Z3^c c Difference between Z1 and Z3 (p < 0.05). = Z2^a a Difference between Z2 and Z1 (p < 0.05). > Z1	Right^d d Difference between Right and Left (p < 0.05). ^, ^e e Difference between Right and Center (p < 0.05). > Left^f f Difference between Left and Center (p < 0.05). > Center	Yes > No^g g Difference between Yes and No (p < 0.05).
Interception	Z1^a a Difference between Z2 and Z1 (p < 0.05). ^, ^c c Difference between Z1 and Z3 (p < 0.05). > Z2^b b Difference between Z2 and Z3 (p < 0.05). > Z3	Right^d d Difference between Right and Left (p < 0.05). ^, ^e e Difference between Right and Center (p < 0.05). > Left^f f Difference between Left and Center (p < 0.05). > Center	-
Tackling	Z1^a a Difference between Z2 and Z1 (p < 0.05). ^, ^c c Difference between Z1 and Z3 (p < 0.05). > Z2^b b Difference between Z2 and Z3 (p < 0.05). > Z3	Left^d d Difference between Right and Left (p < 0.05). ^, ^f f Difference between Left and Center (p < 0.05). > Right = Center	-
Fault received	No difference	No difference	-
Fault committed	No difference	No difference	-
Loss of the ball	No difference	No difference	No difference

STS	Prediction equation	r ²	F	p
Finalization	$(- 2.883) + (Tension \times 0.630) + (Depression \times 1.630)$	0.85	13.44	0.001
Interception	$(2.952) + (Dalda A \times 4.032)$	0.73	33.81	<0.001
Pass right	$14.274 + (Hostility \times 2.706)$	0.32	5.18	0.044
Tackling	$1.276 + (Hostility \times 1.382) + (Dalda A \times 2.561)$	0.69	10.88	0.003
Loss of the ball	$1.110 + (Tension \times 0.381)$	0.35	5.98	0.033

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[1] ∗ Corresponding author. E-mail:marcelo.dsvaz@gmail.com (M.S. Vaz).