The strength characteristics of internal and external rotator muscles in professional baseball pitchers
Gespeichert in:
Deutscher übersetzter Titel: | Die Kraftmerkale der Innen- und Aussenrotatoren bei Berufs-Baseballwerfern |
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Autor: | Wilk, Kevin A.; Andrews, James R.; Arrigo, Christopher A.; Keirns, Michael A.; Erber, Donna J. |
Erschienen in: | The American journal of sports medicine |
Veröffentlicht: | 21 (1993), 1, S. 61-66, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 0363-5465, 1552-3365 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199411064349 |
Quelle: | BISp |
TY - JOUR AU - Wilk, Kevin A. A2 - Wilk, Kevin A. A2 - Andrews, James R. A2 - Arrigo, Christopher A. A2 - Keirns, Michael A. A2 - Erber, Donna J. DB - BISp DP - BISp KW - Außenrotation KW - Baseballspiel KW - Dynamometrie KW - Innenrotation KW - Muskelkraft KW - Rotator KW - Schultermuskulatur KW - Skelettmuskulatur KW - Sportmedizin KW - Wurfdisziplin LA - eng TI - The strength characteristics of internal and external rotator muscles in professional baseball pitchers TT - Die Kraftmerkale der Innen- und Aussenrotatoren bei Berufs-Baseballwerfern PY - 1993 N2 - The purpose of this study was to establish a data base regarding the isokinetic muscular performence characteristics of the external/internal rotator muscles of professional baseball pitchers. One hundred fifty healthy professional baseball pitchers were evaluated by use of a Biodex isokinetic dynamometer. The subjects tested had a mean age of 23.4 years and a mean body weight of 199 pounds. Isokinetic tests were performed concentrically at 180 and 300 deg/sec for both the throwing and nonthrowing shoulders. Testing procedures regarding positioning and stabilization followed established guidelines. The testing protocol and actual test repetitions were standardized for each subject. Statistical analysis was performed using the Pearson Product Moment Correlation and paired t-tests. Determination of the correlation coefficient was made at the level of significance. Test results for bilateral comparison of mean peak torque for the throwing and nonthrowing shoulders indicated no statistically significant difference between the internal rotators at both test speeds, or for the external rotators at 300 deg/sec. There was a significant statistical difference at the 180 deg/sec test speed for the external rotators. The external/internal rotator strength ratio indicated a 65% ratio at 180 deg/sec and a 61% ratio at 300 deg/sec. Data were also collected for mean peak torque/body weight ratios of the throwing shoulder to establish a data base in professional throwers. Verf.-Referat SP - S. 61-66 SN - 0363-5465 JO - The American journal of sports medicine IS - 1 VL - 21 M3 - Gedruckte Ressource ID - PU199411064349 ER -