@article{oai:kyukyo.repo.nii.ac.jp:00000162,
 author = {長谷川, 伸 and HASEGAWA, Shi},
 issue = {5},
 journal = {九州共立大学スポーツ学部研究紀要, Bulletin of Kyushu Kyoritsu University. Faculty of sports science},
 month = {Mar},
 note = {The purpose  of this study was to investigate  the  differences  in abdominal  muscle  thickness 
between
dominant  side and  nondominant  side of collegiate  baseball  pitchers. Subjects  were twenty 
collegiate
baseball  pitchers  and  twenty  collegiate  male  students  who  don’t  participate  in  a  sports 
 which  involves trunk rotation. Muscle thicknesses were measured by using B-mode ultrasonic 
equipment with a 7.5MHz transducer at the following sites: rectus abdominis muscle (RA), external 
oblique muscle (EO), internal oblique muscle (IO), transverses abdominais muscle (TA) and the total 
of  the  muscle  thickness  (LA: lateral abdominal muscles). In results, nondominant side showed 
significantly higher values in muscle thickness than dominant side at EO, IO  and  LA  in  
collegiate  baseball  pitchers  (p< 0.01). But,  there  was no significant difference between 
dominant side and  nondominant  side  at  all  sites  in  collegiate  male  students.  No  
significant  correlation  was  shown  between  abdominal  muscles  thickness   (  RA, EO, IO and LA 
) and ball velocity. In conclusion, the results suggested that the difference  of lateral abdominal 
muscles development was shown between dominant and nondominant side  in  collegiate  baseball 
pitchers. These results suggested that the difference in the degree of lateral abdominal muscles 
development  may be affected  to repeated  pitching motion in long  term.},
 pages = {1--7},
 title = {大学生野球投手における腹筋群の形態的特性},
 year = {2011},
 yomi = {ハセガワ, シン}
}