Study on the application of the bio-electrical impedance method for the estimation of tendon elongation
Deutscher übersetzter Titel: | Studie über den Einsatz der bio-elektrischen Impedanzmethode für die Abschätzung der Sehnenverlängerung |
---|---|
Autor: | Ohta, Megumi; Masuo, Yoshihisa; Kanehisa, Hiroaki; Kawakami, Yasuo; Fukunaga, Tetsuo |
Erschienen in: | International journal of sport and health science |
Veröffentlicht: | 3 (2005), Spec. Issue 1, S. 296-303, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Elektronische Ressource (online) Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 1880-4012, 0915-3942, 1348-1509 |
DOI: | 10.5432/ijshs.3.296 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU200904002217 |
Quelle: | BISp |
Abstract
This study aimed to investigate the applicability of the bio-electrical impedance (BI) method for the estimation of tendon elongation due to muscle contraction. We applied the BI method with a cylindrical model to the muscle-tendon complex (MTC). While subjects performed ramp isometric elbow flexion up to 80% of maximal voluntary contraction (MVC), BI was measured using a bio-electrical impedance muscle analyzer. Simultaneously, tendon elongation was also determined directly by ultrasonography. The amount of tendon elongation (ΔLt) and relative BI values (%BI) changed curvilinearly with increasing torque development. There was a significant negative correlation between ΔLt and %BI in each subject (r = 0.924 0.994, p<0.01). Thus, the present results indicate the effectiveness of the BI method for the estimation of tendon elongation during muscle contractions in vivo in human. Verf.-Referat