Optimisation of the upper body motion for production of the bat-head speed in baseball batting

Ae, Kazumichi; Burke, Dave; Kawamura, Takashi; Koike, Sekiya

doi:10.1080/14763141.2020.1834609

Cited by 2 publications

(1 citation statement)

References 25 publications

(53 reference statements)

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“…These procedures mimic how a strike, tee placement, and a successful swing would be determined in a practical setting. Although reliability for these measures was not determined, visual identification of a strike, tee placement, and parameters for a successful swing are consistent with the methods used in tee and front-toss hitting research [6,17,21,23,24]. Verbal affirmation was required since swing mechanics can vary between athletes and temporal feel of the swing is related to successful hitting performance [25].…”

Section: Methodsmentioning

confidence: 77%

Kinematics of Hitting in Youth Baseball: Implications for Skill Development

Bordelon,

Fava,

Friesen

et al. 2024

Int J Sports Med

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This study compared lower extremity, trunk, and upper extremity kinematics between tee and front toss hitting in youth baseball athletes. Twenty youth baseball athletes (14.3±2.9 yrs) performed three maximal effort swings off front toss and tee. Kinematic data were collected during the preparatory and acceleration phases. Lower extremity, trunk, and upper extremity kinematics were compared between tee and front toss hitting using 1-dimensional statistical parametric mapping (SPM). There was a significant difference in trunk kinematics between tee and front toss during the preparatory phase (p=.001); the trunk rotated more toward the back side when hitting off a tee compared to front toss (p<0.001). There was also a significant difference in trunk kinematics between tee and front toss for 67% of the acceleration phase; the trunk rotated more towards the back side from 0 to 67% when hitting off the tee (p<0.001). Significant differences were found in trunk kinematics between tee and front toss hitting in youth baseball players, where the trunk is less rotated toward the pitcher in the tee than in the front toss. Coaches utilize various training modalities to enhance hitting performance; however, differences in trunk kinematics should be considered between modalities when developing fundamental hitting techiques in youth baseball athletes.

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Section: Methodsmentioning

confidence: 77%

Kinematics of Hitting in Youth Baseball: Implications for Skill Development

Bordelon,

Fava,

Friesen

et al. 2024

Int J Sports Med

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Optimized Simulation of Upper Body Timing on the Production of Bat-Head Speed in Baseball Batting

Burke

Kawamura

et al. 2022

Journal of Applied Biomechanics

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The objectives of this study were to (1) investigate the effect of the timing of the upper body joint motions in baseball batting on the bat-head speed and (2) develop and evaluate a simulation model inputting the individual hand forces on the bat. Twenty-three male collegiate baseball players performed tee batting set at waist height. A 10-segment angle-driven simulation model consisting of a bat and upper body was driven using the coordinate data of the standard motion. Performance optimization was conducted by changing the timing of the joint angle time histories of the upper body to increase the maximum bat-head speed. The optimization simultaneously estimated the individual hand forces by polynomial approximation dependent on the total bat forces to assess joint torques of the upper body. The bat-head speed increased to 39.2 m/s from 35.6 m/s, and the optimized timings were characterized by the earlier timing of the barrel-side elbow supination, wrist radial flexion, torso right lateral flexion, and the later timing of the barrel-side shoulder abduction. It is concluded that the skillful coordination of the individual joint movements for the upper body can produce a higher bat-head speed through effective sequencing of proximal to distal movements.

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Optimisation of the upper body motion for production of the bat-head speed in baseball batting

Cited by 2 publications

References 25 publications

Kinematics of Hitting in Youth Baseball: Implications for Skill Development

Kinematics of Hitting in Youth Baseball: Implications for Skill Development

Optimized Simulation of Upper Body Timing on the Production of Bat-Head Speed in Baseball Batting

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