Factors associated to performance efficacy of technical-tactical actions in volleyball

Salles, William das Neves; Collet, Carine; Porath, Margareth; Milistetd, Michel; Nascimento, Juarez Vieira do

doi:10.5007/1980-0037.2017v19n1p74

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Revista Brasileira de Cineantropometria & Desempenho Humano

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Original Article • Rev. bras. cineantropom. desempenho hum 19 (1) • Jan-Feb 2017 • https://doi.org/10.5007/1980-0037.2017v19n1p74 copy

Factors associated to performance efficacy of technical-tactical actions in volleyball

Fatores associados à eficácia no desempenho das ações técnico-táticas do voleibol

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

The aim of the study was to investigate the factors associated to performance efficacy of technical-tactical actions in volleyball. Based on the protocol of the Instrument for Technical and Tactical Performance Assessment in Volleyball (IAD-VB), 44.025 match actions performed by male and female athletes from u-15, u-16 and u-17 finalist teams of the 2010 Santa Catarina Volleyball Championship in Brazil were observed. Data were analyzed on SPPS 21 software using the logistic regression technique, adopting 5% significance level for the interpretation of results. Adjusted model explained 51.40% efficacy variance, and the factors associated with this variable were decision making, adjustment, efficiency, and competition level.

Key words
Observation; Regression analysis; Sport performance; Volleyball

Factors	Category	Efficacy
Factors	Category	Inadequate n (%)	Adequate n (%)
Gender	Male	10.640 (64.5)	5.853 (35.5)
Gender	Female	17.686 (64.2)	9.846 (35.8)
Competition level	u-15	10.756 (67.4)	5.201 (32.6)
	u-16	8.306 (62.0)	5.089 (38.0)
	u-17	9.264 (63.1)	5.409 (36.9)
Level of experience	Higher	8.922 (63.1)	5.212 (36.9)
Level of experience	Lower	19.384 (64.9)	10.480 (35.1)
Adjustment	Inadequate	556 (94.1)	35 (5.9)
	Intermediate	6.372 (82.9)	1.317 (17.1)
	Adequate	21.398 (59.9)	14.347 (40.1)
Decision making	Inadequate	5.992 (98.3)	106 (1.7)
	Intermediate	18.287 (85.4)	3.131 (14.6)
	Adequate	4.047 (24.5)	12.462 (75.5)
Efficiency	Inadequate	2.483 (87.4)	357 (12.6)
	Intermediate	6.418 (71.0)	2.623 (29.0)
	Adequate	19.425 (60.4)	12.719 (39.6)

Factors² 2 Method for the selection of independent factors / variables: Forward: Wald;		Crude Logistic Regression		Adjusted Logistic Regression
		Likelihood ratio (95%CI)	p	Likelihood ratio (95%CI)	p
Gender			0.561	-
	Male	1
	Female	1.01 (0.97; 1.05)
Competition level			<0.001^* * Statistically significant result (considering α = 0.05).		<0.001^* * Statistically significant result (considering α = 0.05).
	u-15	1		1
	u-16	1.27 (1.21; 1.33)		1.36 (1.27; 1.45)	<0.001^* * Statistically significant result (considering α = 0.05).
	u-17	1.21 (1.15; 1.27)		0.89 (0.83; 0.95)	0.001^* * Statistically significant result (considering α = 0.05).
Level of experience			<0.001^* * Statistically significant result (considering α = 0.05).		0.856
	Higher	1		-
	Lower	1.08 (1.04; 1.13)
Adjustment			<0.001^* * Statistically significant result (considering α = 0.05).		<0.001^* * Statistically significant result (considering α = 0.05).
	Inadequate	1		1
	Intermediate	3.28 (2.32; 4.64)		1.66 (1.14; 2.42)	0.008^* * Statistically significant result (considering α = 0.05).
	Adequate	10.65 (7.56; 15.00)		3.57 (2.43; 5.22)	<0.001^* * Statistically significant result (considering α = 0.05).
Decision making			<0.001^* * Statistically significant result (considering α = 0.05).		<0.001^* * Statistically significant result (considering α = 0.05).
	Inadequate	1		1
	Intermediate	9.68 (7.96; 11.77)		10.21 (8.38; 12.43)	<0.001^* * Statistically significant result (considering α = 0.05).
	Adequate	174.07 (143.19; 211.61)		200.27 (164.10; 244.43)	<0.001^* * Statistically significant result (considering α = 0.05).
Efficiency			<0.001^* * Statistically significant result (considering α = 0.05).		<0.001^* * Statistically significant result (considering α = 0.05).
	Inadequate	1		1
	Intermediate	2.84 (2.52; 3.21)		0.60 (0.52; 0.70)	<0.001^* * Statistically significant result (considering α = 0.05).
	Adequate	4.55 (4.07; 5.10)		0.36 (0.31; 0.42)

Universidade Federal de Santa Catarina Universidade Federal de Santa Catarina, Campus Universitário Trindade, Centro de Desportos - RBCDH, Zip postal: 88040-900 - Florianópolis, SC. Brasil, Fone/fax : (55 48) 3721-8562/(55 48) 3721-6348 - Florianópolis - SC - Brazil
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[1] William das Neves Salles, Douglas Seabra Levier st., 376; Carvoeira, Postal Code 88040-410; Florianópolis, SC, Brazil. E-mail: williamdnsalles@gmail.com