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Article type: Research Article
Authors: Cha, Youngjooa | Yoon, Hyunsikb | Park, Chanheec; d | You, Sung (Joshua) H.c; d; *
Affiliations: [a] Department of Physical Therapy, Cheju Halla University, Jeju, Korea | [b] Chungnam National University Hospital, Daejeon, Korea | [c] Sports Movement Artificial-Intelligence Robotics Technology (SMART) Institute, Department of Physical Therapy, Yonsei University, Wonju, Korea | [d] Department of Physical Therapy, Yonsei University, Wonju, Korea
Correspondence: [*] Corresponding author: Sung (Joshua) H. You, 1 Yonseidae-gil, Wonju, Gangwon-do 26493, Korea. E-mail: [email protected].
Abstract: BACKGROUND: Although millions of people with osteoarthritis (OA) have altered biomechanical alignment, movement, and knee joint pain during gait, there are no effective and sustainable interventions. To mitigate such impairments, we developed an untacted self-automated robotic and electromyography (EMG)-augmented upper-trunk-lower reciprocal locomotor training (SRGT) intervention. OBJECTIVE: To compare the effects of SRGT and conventional treadmill gait training (CTGT) on the medial knee joint space width (JSW), hip adduction moment (HAM), knee varus deformity, pain, and physical function in community-dwelling older adults with OA. METHODS: Older adults diagnosed with medial compartment knee OA (5 men, 35 women; mean age = 78.50 ± 9.10 years) were recruited and underwent either SRGT or CTGT, 30 min a day, 3 times a week, over a 4-week period. Outcome measurements included the JSW, HAM, knee varus angle (VA), and Western Ontario McMaster Universities osteoarthritis index (WOMAC). RESULTS: Analysis of covariance (ANCOVA) showed that SRGT ed to greater changes in medial knee JSW (p= 0.00001), HAM (p= 0.00001), VA (p= 0.00001), and WOMAC (p= 0.00001) scores. CONCLUSION: This study provides the first evidence for the long-term clinical and biomechanical effects of SRGT on JSW, knee joint kinematics, kinetics, and WOMAC scores in older adults with OA. Most importantly, self-automatic robotic gait training may be an alternative, effective, and sustainable treatment for the upper-trunk-lower reciprocal locomotor training in older adults with OA.
Keywords: Osteoarthritis, robotic gait training, kinematics, kinetics
DOI: 10.3233/BMR-220182
Journal: Journal of Back and Musculoskeletal Rehabilitation, vol. 36, no. 5, pp. 1101-1110, 2023
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