Efeitos do contínuo de níveis de interferência contextual na aprendizagem do "putt" do golfe

Dias, Gonçalo; Mendes, Rui

doi:10.1590/s1807-55092010000400011

Cited by 6 publications

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References 12 publications

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“…Golf putting has mostly been analyzed within experimental context under linear trajectories (see Delay, Nougier, Orliaguet, & Coello, 1997;Coello, Delay, Nougier, & Orliaguet, 2000;Dias & Mendes, 2010;Porter & Magill, 2005). However, task constraints on golf putting (slope and angle) can change process variables such as movement amplitude, acceleration or duration in all putting phases (backswing, downswing, impact on the ball and follow-through), thus consequently changing the product variables (radial error; Pelz, 2000;Couceiro, Dias, Mendes, & Araújo, 2013).…”

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confidence: 99%

Video Analysis of Left and Right Breaking Putts

Dias¹,

Mendes²,

Couceiro³

et al. 2014

International Journal of Golf Science

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The aim of this study was to investigate how a player responds to external constraints (slope and angle) in a golf putting task. The sample consisted of 10 adult male (33.8 ± 11.89 years), right handed and highly skilled golfers (average handicap of 10.82). The participants performed 30 putts at a distance of two meters with 25 degrees to the left of the hole (Angle 1) and 30 putts at a distance of two meters with 25 degrees to the right of the hole (Angle 2), with a constraint imposed by a slope. The data suggests that the performance of the golf putting may be improved if different situations and difficulty degrees are employed and exploited. In that sense, the manipulation of task related constraints forced the appearance of solutions uniquely adjusted to each player. This brings implications to the area of sports coaching and training, considering that the athlete can optimize his performance if he explores different couplings of information-movement, in different levels of complexity.

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confidence: 99%

Video Analysis of Left and Right Breaking Putts

Dias¹,

Mendes²,

Couceiro³

et al. 2014

International Journal of Golf Science

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“…Fase de Aquisição Para a medida de erro radial, a ANOVA two-way para medidas repetidas apontou interação entre os grupos de prática e os blocos de tentativas, F(11, 341) = 3,10, p = ,0005 (ou p < ,001), e efeito para o fator blocos de tentativas, F(11, 341) = 3,14, p = ,0004 (ou p < ,001 ;MAGILL, 1983;MORGAN, 1979;ZIMNY, 1983), comparada a outros estudos que utilizaram habilidades esportivas que, portanto, envolvem um número maior de graus de liberdade (BRADY, 1987;CHEONG et al, 2012;DIAS;MENDES, 2010) demanda cognitiva e motora da tarefa (BRADY, 1998(BRADY, , 2008LEE, 2004;MAGILL;HALL, 1990;, somada à organização de prática variada, tenha resultado em um desempenho menos preciso. ;MAcRAE, 2005MAcRAE, , 2005.…”

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A aprendizagem motora de idosos na perspectiva do efeito da interferência contextual

Souza¹

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It is known that the elderly population is increasing in relatively high numbers, generating concerns about the care they need. A form of seniors remain active is through the learning of new motor skills. In this sense, few studies involving the elderly population and the contextual interference effect have been found, particularly, studies that used sports skills as task. The objective of this study was to investigate if there is the contextual interference effect on sports skill learning in elderly. We selected 40 old persons (65-80 years old), physically active, which were divided randomly into two groups: random varied practice; and practice varied in blocks. The task was the throwing practiced at the bocce game, in which the ball should reach three targets at distances of 2, 4 and 6 meters. The practice consisted of 120 attempts divided into two practice sessions. Two Retention tests were conducted (10 min and 24 hours) and also two Transfer tests (24 hours), being performed with the preferential hand and also with the non-preferential hand of the participant, with the target at 5 meters. The performance measures used were the radial error, the standard deviation of radial error and frequency of gross errors. Kinematic measures were also used, such as amplitude, average speed and peak of acceleration in the displacement of the ball on the forwardswing; and also, speed of release of the ball. Comparisons between the practice groups, found no difference in the radial error or the standard deviation of the error (p > 0.05), but in the frequency of gross errors, there was a difference between the groups only at the acquisition phase (p < 0.05). In addition, the inferential analysis on retention and transfer tests, both the average speed as the speed of release, showed that the elderly of both groups have changed the speed (p < 0.05), probably trying to adjust the movement. Pearson correlations were performed between performance and kinematic measures and there was only a weak correlation between the radial error and amplitude on the transfer test with the non-preferential hand (p < 0.05). Overall, the results showed that the groups have similar performance on both practice structures (random and blocks) and, therefore, there was no effect of contextual interference in learning this sport skill by the elderly. However, it can be argued that the proper control of force needed in this task may require more practice time to be acquired.

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Setting up the Experimental Design

Dias

Couceiro²

2015

The Science of Golf Putting

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Efeitos do contínuo de níveis de interferência contextual na aprendizagem do "putt" do golfe

Cited by 6 publications

References 12 publications

Video Analysis of Left and Right Breaking Putts

Video Analysis of Left and Right Breaking Putts

A aprendizagem motora de idosos na perspectiva do efeito da interferência contextual

Setting up the Experimental Design

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