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035 a| (Sirsi) o1397376888;

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090 a| GV871;

100 1 a| Kuchmaner, Jake,e| author.?| UNAUTHORIZED;

245 10 a| Just throw strikes! :b| the relationship between quiet eye duration and baseball pitching accuracy in low- and high-pressure tasks /c| by Jake Kuchmaner.;

246 3 a| Just throw strikes! the relationship between quiet eye duration and baseball pitching accuracy in low- and high-pressure tasks;

264 1 a| [Greenville, N.C.] :b| [East Carolina University],c| 2023.;

300 a| 1 online resource (109 pages) :b| illustrations (chiefly color);

336 a| textb| txt2| rdacontent;

337 a| computerb| c2| rdamedia;

338 a| online resourceb| cr2| rdacarrier;

347 a| text fileb| PDFc| 1.751 MB2| rda;

538 a| System requirements: Adobe Reader.;

538 a| Mode of access: World Wide Web.;

502 b| M.S.c| East Carolina Universityd| 2023.;

502 a| Presented to the Faculty of the Department of Kinesiology;

500 a| Advisor: Nicholas Murray;

500 a| Title from PDF t.p. (viewed November 19, 2024).;

520 3 a| For athletes to achieve high-performance levels in sport, precise control of attention and physical action is essential to provide the movement planning systems with adequate information to execute the appropriate movement solutions. Quiet Eye (QE) has been shown to facilitate this precise control of attention and physical action. QE is the final fixation on a specific location or object in the task environment within 3 degrees (or less) of visual angle for a minimum of 100ms before movement initiation (Vickers, 2007). This study aims to examine how pitchers control their gaze to acquire critical visual information for optimal performance in two baseball pitching tasks - a Low-Pressure (LP) task and a High-Pressure (HP) task. Researchers conducted a quantitative exploratory analysis to identify QE duration significance in the baseball pitching delivery in elite and sub-elite pitchers. The main finding of the study saw the Preparation phase identified as the critical phase of the pitching delivery (276.06 v. 158.23 v. 159.96 ms) and longer QE durations in this phase led to pitches is consistent across the literature (396.624 v. 258.83 ms). Specifically, QE occurs before movement initiation, and longer QE durations improve performance outcomes (Vickers, 2016). The Elite group held their final fixations significantly longer than the Sub-Elite group (318.37 v. 233.74 ms). The Elite group also showed longer QE durations in the High-Pressure condition (429.86 v. 202.73 ms). However, pitches executed between groups in the HP condition did not differ (10/60 v. 11/60). It is important to note that the extended fixation durations or optimal timing of the QE alone do not fully explain the differences observed in gaze strategies between the groups and conditions. This finding suggests that there may be additional factors or pathways contributing to successful motor performance. This study also revealed that the HP task led to an increase in overall heart rate (HR) (129.08 v. 136.83 bpm) but no significant change in HRV (41.25 v. 39.83 ms).;

504 a| Includes bibliographical references.;

650 0 a| Pitching (Baseball)x| Physiological aspects.=| ^A105885;

650 0 a| Baseballx| Training.=| ^A167448;

650 0 a| Pitchers (Baseball)=| ^A462211;

650 0 a| Eye tracking.=| ^A1195159;

653 a| Quiet Eye (QE);

653 a| Attention;

653 a| Physical action;

653 a| Movement planning systems;

653 a| Visual information;

653 a| Optimal performance;

653 a| Low-Pressure (LP) task;

653 a| High-Pressure (HP) task;

653 a| Elite pitchers;

653 a| Sub-elite pitchers;

653 a| Gaze control;

653 a| Pitching delivery;

653 a| Preparation phase;

653 a| Performance outcomes;

653 a| Fixation durations;

653 a| Gaze strategies;

653 a| Heart rate (HR);

653 a| Heart rate variability (HRV);

700 1 a| Murray, Nicholas P.,e| degree supervisor.?| UNAUTHORIZED;

710 2 a| East Carolina University.b| Department of Kinesiology.?| UNAUTHORIZED;

856 40 z| Access via ScholarShipu| http://hdl.handle.net/10342/13150;

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Just throw strikes! : the relationship between quiet eye duration and baseball pitching accuracy in low- and high-pressure tasks / by Jake Kuchmaner.

Author/creator	Kuchmaner, Jake author.
Other author	Murray, Nicholas P., degree supervisor.
Other author	East Carolina University. Department of Kinesiology.
Format	Theses and dissertations
Publication	[Greenville, N.C.] : [East Carolina University], 2023.
Description	1 online resource (109 pages) : illustrations (chiefly color)
Supplemental Content	Access via ScholarShip
Subjects	Pitching (Baseball)--Physiological aspects. Baseball--Training. Pitchers (Baseball) Eye tracking.

Variant title	Just throw strikes! the relationship between quiet eye duration and baseball pitching accuracy in low- and high-pressure tasks
Summary	For athletes to achieve high-performance levels in sport, precise control of attention and physical action is essential to provide the movement planning systems with adequate information to execute the appropriate movement solutions. Quiet Eye (QE) has been shown to facilitate this precise control of attention and physical action. QE is the final fixation on a specific location or object in the task environment within 3 degrees (or less) of visual angle for a minimum of 100ms before movement initiation (Vickers, 2007). This study aims to examine how pitchers control their gaze to acquire critical visual information for optimal performance in two baseball pitching tasks - a Low-Pressure (LP) task and a High-Pressure (HP) task. Researchers conducted a quantitative exploratory analysis to identify QE duration significance in the baseball pitching delivery in elite and sub-elite pitchers. The main finding of the study saw the Preparation phase identified as the critical phase of the pitching delivery (276.06 v. 158.23 v. 159.96 ms) and longer QE durations in this phase led to pitches is consistent across the literature (396.624 v. 258.83 ms). Specifically, QE occurs before movement initiation, and longer QE durations improve performance outcomes (Vickers, 2016). The Elite group held their final fixations significantly longer than the Sub-Elite group (318.37 v. 233.74 ms). The Elite group also showed longer QE durations in the High-Pressure condition (429.86 v. 202.73 ms). However, pitches executed between groups in the HP condition did not differ (10/60 v. 11/60). It is important to note that the extended fixation durations or optimal timing of the QE alone do not fully explain the differences observed in gaze strategies between the groups and conditions. This finding suggests that there may be additional factors or pathways contributing to successful motor performance. This study also revealed that the HP task led to an increase in overall heart rate (HR) (129.08 v. 136.83 bpm) but no significant change in HRV (41.25 v. 39.83 ms).
General note	Advisor: Nicholas Murray
General note	Title from PDF t.p. (viewed November 19, 2024).
Dissertation note	M.S. East Carolina University 2023.
Dissertation note	Presented to the Faculty of the Department of Kinesiology
Bibliography note	Includes bibliographical references.
Technical details	System requirements: Adobe Reader.
Technical details	Mode of access: World Wide Web.

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Just throw strikes! : the relationship between quiet eye duration and baseball pitching accuracy in low- and high-pressure tasks / by Jake Kuchmaner.

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