• So Young Lee, Sang Hee Im, Bo Ryun Kim, and Eun Young Han.
• From the Department of Rehabilitation Medicine, Jeju National University Hospital, Jeju National University School of Medicine, Jeju (SYL, BRK, EYH); and Department of Rehabilitation Medicine and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul (SHI), Republic of Korea.
• Am J Phys Med Rehabil. 2018 Aug 1; 97 (8): 533-540.

ObjectiveThe aim of this study was to assess whether the effects of a motorized aquatic treadmill exercise program improve the isometric strength of the knee muscles, cardiorespiratory fitness, arterial stiffness, motor function, balance, functional outcomes, and quality of life in subacute stroke patients.DesignThirty-two patients were randomly assigned to 4-wk training sessions of either aquatic therapy (n = 19) or land-based aerobic exercise (n = 18). Isometric strength was measured using an isokinetic dynamometer. Cardiopulmonary fitness was evaluated using a symptom-limited exercise tolerance test and by measuring brachial ankle pulse wave velocity. Moreover, motor function (Fugl-Meyer Assessment [FMA] and FMA-lower limb [FMA-LL]), balance (Berg Balance Scale [BBS]), Activities of daily living (Korean version of the Modified Barthel Index [K-MBI]), and quality of life (EQ-5D index) were examined.ResultsThere were no intergroup differences between demographic and clinical characteristics at baseline (P > 0.05). The results shows significant improvements in peak oxygen consumption (P = 0.02), maximal isometric strength of the bilateral knee extensors (P < 0.01) and paretic knee flexors (P = 0.01), FMA (P = 0.03), FMA-LL (P = 0.01), BBS (P = 0.01), K-MBI (P < 0.01), and EQ-5D index (P = 0.04) after treatment in the aquatic therapy group. However, only significant improvements in maximal isometric strength in the knee extensors (P = 0.03) and flexors (P = 0.04) were found within the aquatic therapy group and control group.ConclusionsWater-based aerobic exercise performed on a motorized aquatic treadmill had beneficial effect on isometric muscle strength in the lower limb.To Claim Cme CreditsComplete the self-assessment activity and evaluation online at http://www.physiatry.org/JournalCME CME OBJECTIVES: Upon completion of this article, the reader should be able to: (1) Articulate the rationale for including walking on an aquatic treadmill in the rehabilitation of subacute stroke patients; (2) Describe the beneficial effects of a motorized aquatic treadmill exercise program in the rehabilitation of subacute stroke patients; and (3) Determine the appropriate indications for incorporating a motorized aquatic treadmill exercise program in the rehabilitation of subacute stroke patients.Level: Advanced ACCREDITATION: The Association of Academic Physiatrists is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.The Association of Academic Physiatrists designates this Journal-based CME activity for a maximum of 1.0 AMA PRA Category 1 Credit(s)™. Physicians should only claim credit commensurate with the extent of their participation in the activity.

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