Analysis of comparisons between the dominant hand and the non-dominant hand in overarm throwing motions and ball-throwing distance

Kazuhiko Imaizumi, Kaoru Tachiyashiki, Yuji Takizawa, Haruhisa Murakami, Kan Jikihara

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The difference between the dominant hand and the non-dominant hand in overarm throwing motions and ball-throwing distances were studied in student women. The subjects were divided into a trained group and an untrained group. A switch thrower, categorized in the training group, was also examined. The throwing time, moving distance and mean velocity of the ball in the overall throwing phase, back-swing phase and acceleration phase were determined by a high-speed video analysis system. Seven empirical parameters estimated from the overall throwing motion were also introduced. These physical quantities and parameters were compared between the dominant and non-dominant hands. The ball-throwing distances in the trained and untrained groups were 2.58 and 1.73 times higher for the dominant hand than for the non-dominant hand, respectively. The difference in these values for both the hands of the switch thrower, however, were very small. The throwing time, moving time, and mean ball velocity in the back-swing phase in the trained group were 1.16, 1.65 and 1.35 times higher for the dominant hand than for the non-dominant hand, respectively. These phenomena were not observed in the untrained group and the switch thrower. The mean ball velocities in the acceleration phase for the trained and untrained groups were 2.0 and 1.5 times higher for the dominant hand than for the non-dominant hand, respectively. These values were more highly correlated with the ball-throwing distance in the trained group than in the untrained group. Significant correlations between seven parameters and ball-throwing distance were all observed for the dominant hand. However, only three of these parameters showed significant correlations for the non-dominant hand. These results show that the relationship between ball-throwing distance and throwing motion is closer for the dominant hand than for the non-dominant hand. In the present paper, possible roles of the dominant and non-dominant hands in the relationship between throwing motion and ball-throwing distance are also discussed.

Original languageEnglish
Pages (from-to)161-178
Number of pages18
JournalJapanese Journal of Physical Fitness and Sports Medicine
Volume46
Issue number2
Publication statusPublished - 1997 Apr
Externally publishedYes

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Keywords

  • Ball-throwing distance
  • Dominant and non-dominant hands
  • Lateral control of overarm throwing
  • Laterality and ball-throwing
  • Overarm throwing motion

ASJC Scopus subject areas

  • Physiology
  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Analysis of comparisons between the dominant hand and the non-dominant hand in overarm throwing motions and ball-throwing distance. / Imaizumi, Kazuhiko; Tachiyashiki, Kaoru; Takizawa, Yuji; Murakami, Haruhisa; Jikihara, Kan.

In: Japanese Journal of Physical Fitness and Sports Medicine, Vol. 46, No. 2, 04.1997, p. 161-178.

Research output: Contribution to journalArticle

Imaizumi, Kazuhiko ; Tachiyashiki, Kaoru ; Takizawa, Yuji ; Murakami, Haruhisa ; Jikihara, Kan. / Analysis of comparisons between the dominant hand and the non-dominant hand in overarm throwing motions and ball-throwing distance. In: Japanese Journal of Physical Fitness and Sports Medicine. 1997 ; Vol. 46, No. 2. pp. 161-178.
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