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Publication
Featured researches published by Walter R. Bixby.
The American Journal of Chinese Medicine | 2008
Chwan-Li Shen; C. Roger James; Ming-C. Chyu; Walter R. Bixby; Jean-Michel Brismée; Mimi Zumwalt; Glen Poklikuha
Our previous study has demonstrated that 6 weeks of Tai Chi exercise significantly improves knee pain and stiffness in elderly with knee osteoarthritis. This study also examine the effects of Tai Chi exercise on gait kinematics, physical function, pain, and pain self-efficacy in elderly with knee osteoarthritis. In this prospective, pretest-posttest clinical trial, 40 men and women (64.4+/-8.3 years) diagnosed with knee osteoarthritis participated in 6 weeks of instructed Tai Chi training, 1 hour/session, 2 sessions/week. The following measures were taken at baseline and the conclusion of the intervention: (a) gait kinematics including stride length, stride frequency, and gait speed quantified using video analysis, (b) physical function, (c) knee pain, and (d) pain self-efficacy. Data were analyzed using repeated MANCOVA, MANOVA, ANOVA and Wilcoxon tests. After 6 weeks of Tai Chi exercise, stride length (p=0.023; 1.17+/-0.17 vs. 1.20+/-0.14 m), stride frequency (p=0.014; 0.91+/-0.08 vs. 0.93+/-0.08 strides/s), and consequently gait speed (p<0.025; 1.06+/-0.19 vs. 1.12+/-0.15 m/s) increased in the participants. Physical function was significantly improved (p<0.001) and knee pain was significantly decreased (p=0.002), while no change was observed in pain self-efficacy. In conclusion, these findings support that Tai Chi is beneficial for gait kinematics in elderly with knee osteoarthritis, and a longer term application is needed to substantiate the effect of Tai Chi as an alternative exercise in management of knee osteoarthritis.
Journal of Sport & Exercise Psychology | 2001
Walter R. Bixby; Thomas W. Spalding; Bradley D. Hatfield
Medicine and Science in Sports and Exercise | 2007
Walter R. Bixby; Thomas W. Spalding; Amy J. Haufler; Sean P. Deeny; Pamela T. Mahlow; Jo B. Zimmerman; Bradley D. Hatfield
Journal of sport behavior | 2006
Walter R. Bixby; Marc Lochbaum
Journal of sport behavior | 2007
Marc Lochbaum; Walter R. Bixby; C. K. John Wang
Journal of sport behavior | 2008
Walter R. Bixby; Marc Lochbaum
Journal of sport behavior | 2011
Walter R. Bixby; Bradley D. Hatfield
Medicine and Science in Sports and Exercise | 2006
C. Roger James; Chwan-Li Shen; Ming Chyu; Jean-Michel Brismée; Mimi Zumwalt; Walter R. Bixby; Robert L. Paige; Glen Poklikuha; Eve Y. Thompson
Medicine and Science in Sports and Exercise | 2005
Walter R. Bixby; Robert L. Paige; Jean-Michel Brismée; Ming-Chien Chyu; C. Roger James; Mimi Zumwalt; Eve Y. Thompson; Benjamin McCauley; Chwan-Li Shen
Medicine and Science in Sports and Exercise | 2004
Walter R. Bixby