Timing of peak pelvis and thorax rotation velocity in baseball pitching
The objective of the present study was to examine the magnitude and timing of peak pelvis and thorax rotations in achieving high throwing velocities in pitching fastballs. During the preseason (Test 1 or T1) and four months later (Test 2 or T2), kinematic analysis was performed on eight elite youth...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Japanese Society of Physical Fitness and Sports Medicine
2018-09-01
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| Series: | Journal of Physical Fitness and Sports Medicine |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/jpfsm/7/5/7_269/_pdf/-char/en |
| _version_ | 1819135956742045696 |
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| author | Erik van der Graaff Marco (MJM) Hoozemans Martijn Nijhoff Michael Davidson Merel Hoezen Dirkjan (HEJ) Veeger |
| author_facet | Erik van der Graaff Marco (MJM) Hoozemans Martijn Nijhoff Michael Davidson Merel Hoezen Dirkjan (HEJ) Veeger |
| author_sort | Erik van der Graaff |
| collection | DOAJ |
| description | The objective of the present study was to examine the magnitude and timing of peak pelvis and thorax rotations in achieving high throwing velocities in pitching fastballs. During the preseason (Test 1 or T1) and four months later (Test 2 or T2), kinematic analysis was performed on eight elite youth pitchers throwing fastballs. Peak rotation velocities of the pelvis and thorax were determined and separation time, defined as the time between the maximal rotation velocities of the pelvis and thorax, was calculated. Peak thorax rotation velocity was not associated with throwing velocity. However, separation time appeared to be significantly and positively associated with throwing velocity. Also, the changes in separation time from T1 to T2 were significantly and positively associated with the observed increase in throwing velocity from T1 to T2. There was no significant association between the changes in pelvis or thorax peak rotation velocities from T1 to T2 and the change in throwing velocity. Results indicate that the relative timing of pelvis and thorax peak rotation velocity in pitching fastballs in baseball is likely to be a determinant of throwing velocity in skilled pitchers. |
| first_indexed | 2024-12-22T10:27:19Z |
| format | Article |
| id | doaj.art-2c3b7d5742bd43d7aec26912b0df72c5 |
| institution | Directory Open Access Journal |
| issn | 2186-8131 2186-8123 |
| language | English |
| last_indexed | 2024-12-22T10:27:19Z |
| publishDate | 2018-09-01 |
| publisher | Japanese Society of Physical Fitness and Sports Medicine |
| record_format | Article |
| series | Journal of Physical Fitness and Sports Medicine |
| spelling | doaj.art-2c3b7d5742bd43d7aec26912b0df72c52022-12-21T18:29:26ZengJapanese Society of Physical Fitness and Sports MedicineJournal of Physical Fitness and Sports Medicine2186-81312186-81232018-09-017526927710.7600/jpfsm.7.269jpfsmTiming of peak pelvis and thorax rotation velocity in baseball pitchingErik van der Graaff0Marco (MJM) Hoozemans1Martijn Nijhoff2Michael Davidson3Merel Hoezen4Dirkjan (HEJ) Veeger5Department of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement SciencesKNBSBKNBSBManual FysionManual FysionDepartment of Human Movement Sciences, Faculty of Behavioural and Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam Movement SciencesThe objective of the present study was to examine the magnitude and timing of peak pelvis and thorax rotations in achieving high throwing velocities in pitching fastballs. During the preseason (Test 1 or T1) and four months later (Test 2 or T2), kinematic analysis was performed on eight elite youth pitchers throwing fastballs. Peak rotation velocities of the pelvis and thorax were determined and separation time, defined as the time between the maximal rotation velocities of the pelvis and thorax, was calculated. Peak thorax rotation velocity was not associated with throwing velocity. However, separation time appeared to be significantly and positively associated with throwing velocity. Also, the changes in separation time from T1 to T2 were significantly and positively associated with the observed increase in throwing velocity from T1 to T2. There was no significant association between the changes in pelvis or thorax peak rotation velocities from T1 to T2 and the change in throwing velocity. Results indicate that the relative timing of pelvis and thorax peak rotation velocity in pitching fastballs in baseball is likely to be a determinant of throwing velocity in skilled pitchers.https://www.jstage.jst.go.jp/article/jpfsm/7/5/7_269/_pdf/-char/enthrowingmotion analysiskinematicsperformance |
| spellingShingle | Erik van der Graaff Marco (MJM) Hoozemans Martijn Nijhoff Michael Davidson Merel Hoezen Dirkjan (HEJ) Veeger Timing of peak pelvis and thorax rotation velocity in baseball pitching Journal of Physical Fitness and Sports Medicine throwing motion analysis kinematics performance |
| title | Timing of peak pelvis and thorax rotation velocity in baseball pitching |
| title_full | Timing of peak pelvis and thorax rotation velocity in baseball pitching |
| title_fullStr | Timing of peak pelvis and thorax rotation velocity in baseball pitching |
| title_full_unstemmed | Timing of peak pelvis and thorax rotation velocity in baseball pitching |
| title_short | Timing of peak pelvis and thorax rotation velocity in baseball pitching |
| title_sort | timing of peak pelvis and thorax rotation velocity in baseball pitching |
| topic | throwing motion analysis kinematics performance |
| url | https://www.jstage.jst.go.jp/article/jpfsm/7/5/7_269/_pdf/-char/en |
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