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KMID : 1012020210100010001
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Physical Therapy Rehabilitation Science
2021 Volume.10 No. 1 p.1 ~ p.9
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Short-term effects of joint mobilization with versus without voluntary movement in patients with chronic ankle instability: A single-blind randomized controlled trial
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Kim Hyun-Joong
Song Seong-Hyeok
Lee Sang-Bong
Lee Seung-Won
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Abstract
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Objective: Joint mobilization for arthrokinematics altered by the positional fault of chronic ankle instability (CAI) is an effective intervention for stabilization. In this study, we compared the effects of ankle dorsi flexion range of motion (DFROM) and dynamic balance ability (DBA) in CAI patients via passive joint mobilization (PJM), a method traditionally performed in previous studies, and active joint mobilization (AJM), a method that can have a greater effect on cortical excitability with spontaneous movements.
Design: Single-blind two-arm randomized controlled trial
Methods: A total of 30 participants were registered: 15 each to the PJM and AJM groups. Each participant received a total of 10 intervention sessions, 10 minutes per session, 5 times a week for 2 weeks. PJM used Maitland's mobilization method to apply joint mobilization with talus in the posterior direction and AJM used an angular joint motion to induce patient's voluntary motion of medial malleolus anterior gliding and lateral malleolus posterior gliding, respectively. DFROM of the ankle was measured by using tape and DBA was evaluated by using the balance system.
Results: Significant improvement was observed after intervention in both the PJM and AJM groups except for the DBA-anterior and DBA-right variables of the PJM group. There were statistically significant differences between the AJM and PJM groups in the DFROM, DBA-anterior, DBA-posterior, and DBA-right variables.
Conclusions: The overall improvement of DFROM and DBA was found to be more effective in joint mobilization including voluntary movement. When it is accompanied by voluntary movement, it further affects the neuromuscular system of the ankle.
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KEYWORD
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Joint instability, Ankle injuries, Postural balance, Musculoskeletal manipulations, Joint mobilization
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