【論文摘要】Exploring the Relationship Between Stair Climb Power, Leg Press Strength, and Functional Exercise Performance in Patients With Chronic Respiratory Disease

【論文摘要】慢性呼吸疾病患者爬梯爆發力、下肢推蹬力與功能性運動表現之相關性研究

林佳新(Jia-Shin Lin) ； 謝秉倫(Ping-Lun Hsieh) ； 楊佩瑜(Pei-Yu Yang) ； 李建慈(Chien-Tzu Lee) ； 林筱真(Hsiao-Chen Lin) ； 王儷穎(Li-Ying Wang)

《物理治療》 44卷2期 (2019/06) Pp. 94-95

https://doi.org/10.6215/FJPT.201906.O13

摘要

Background and Purpose: Lower limb dysfunction is common in patients with chronic respiratory disease (CRD). Stair climb power test (SCPT) is widely used to assess leg power in gerontology; however, its use in patients with CRD is limited. The aim of this study was to explore associations between stair climb power, leg press strength, and functional exercise performance in patients with CRD. Methods: Patients with CRD referred to out-patient pulmonary rehabilitation at Physical Therapy Center (National Taiwan University Hospital) were included in this study. SCPT was performed by instructing patients to climb 10-step flight of stairs (with handrail for safety) as quickly as possible. Functional exercise performance was assessed by six-minute walk test (6MWT). Lower limb strength was measured by one-repetition maximum (1RM) of leg press (kg). Distance (m) walked in 6MWT (6MWD) and time required to complete SCPT was recorded. Power for the SCPT was calculated as: (total vertical height of the stair/time) × (body weight × 9.81). Spearman correlation was used to explore the correlations between parameters. Results: From August to November 2018, a total of 84 patients with a mean ± SD percent of forced expiratory volume in one second (% predicted FEV1) of 69.2 ± 22.9 participated in this study. Stair climb power correlated moderately and significantly with leg press strength (r = 0.571), 6MWD (r = 0.603) and percent predicted 6MWD (r = 0.590) (all p ＜ 0.001), and correlated weakly and significantly with leg press weight ratio (r = 0.296, p = 0.006). In contrary, stair climb power showed no significant correlation with % predicted FEV1. Conclusion: Stair climb power correlated moderately and significantly with lower limb strength and functional exercise performance in patients with CRD. Clinical Relevance: SCPT is a simple and safe test to evaluate lower limb function of patients with CRD. Reference values of stair climb power and its responsiveness to training in this patient population warrants further investigations.