The 6-minute pegboard and ring test is correlated with upper extremity activity of daily living in chronic obstructive pulmonary disease
Authors Takeda K, Kawasaki Y, Yoshida K, Nishida Y, Harada T, Yamaguchi K, Ito S, Hashimoto K, Matsumoto S, Yamasaki A, Igishi T, Shimizu E
Received 11 March 2013
Accepted for publication 24 May 2013
Published 23 July 2013 Volume 2013:8 Pages 347—351
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 3
Kenichi Takeda,1 Yuji Kawasaki,2 Kazumasa Yoshida,3 Yoji Nishida,3 Tomoya Harada,1 Kosuke Yamaguchi,2 Shizuka Ito,1 Kiyoshi Hashimoto,1 Shingo Matsumoto,1 Akira Yamasaki,1 Tadashi Igishi,1 Eiji Shimizu1
1Division of Medical Oncology and Molecular Respirology, Department of Multidisciplinary Internal Medicine, Tottori University, Yonago, Japan; 2Department of Regional Medicine, Faculty of Medicine, Tottori University, Yonago, Japan; 3Department of Rehabilitation Medicine, Yoka Hospital, Yabu, Japan
Background: Upper-extremity exercise is for pulmonary rehabilitation. The 6-minute pegboard and ring test (6PBRT) was developed to evaluate arm exercise capacity in patients with chronic obstructive pulmonary disease (COPD). The purpose of this study was to characterize the 6PBRT and evaluate its relationship with upper-extremity activities of daily living (ADLs) in COPD patients.
Methods: Twenty outpatients with mild to very severe COPD underwent the 6PBRT and spirometry, and their maximal inspiratory and expiratory pressures and grip strength were measured. For the 6PBRT, subjects were asked to move as many rings as possible in 6 minutes, and the score was the number of moved rings during the 6-minute period. Upper-extremity ADLs were evaluated with the upper extremity activities subdomain of the modified Pulmonary Functional Status and Dyspnea Questionnaire. Upper-extremity ADLs were also measured objectively by using a wrist accelerometer every day for 1 week.
Results: There was a positive correlation between 6PBRT score and inspiratory capacity (r = 0.71, P < 0.001), inspiratory capacity/total lung capacity predicted (r = 0.68, P < 0.01), and forced vial capacity (r = 0.57, P < 0.01). There was also a positive correlation between 6PBRT score and accelerometer count (r = 0.54, P < 0.05) and a negative correlation between 6PBRT score and arm activity score (ρ = -0.49, P < 0.05).
Conclusion: The 6PBRT may be a predictive test to maintain and improve upper-extremity ADL during pulmonary rehabilitation in patients with COPD.
Keywords: pulmonary rehabilitation, inspiratory capacity, COPD, wrist accelerometer, modified Pulmonary Functional Status and Dyspnea Questionnaire
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