Biomechanical effects of lateral wedged insoles and ankle foot orthosis on medial compartment knee osteoarthritis by in-shoe pressure analysis and lower limb posture scanning
Refereed conference paper presented and published in conference proceedings
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摘要Osteoarthritis knee (OA knee) is usually affected by increased medial contact forces and knee adduction moment (KAM). Lateral wedged insoles (LWI) were found to reduce the medial joint loading and pain. However, there is a contradiction in the biomechanical effects of LWI which may be due to the compensatory ankle motions and gait patterns. Limited research investigates its relations with weight-bear loading of lower limbs and in-shoe pressure. This study aims to examine the combined biomechanical impact of LWI and ankle foot orthosis (AFO) and knee pain improvement. 16 subjects were categorised into LWI group and LWI with AFO group. In-shoe pressure analysis and weight-bearing line scanning were taken in the first attendance. Results of Knee Injury and Osteoarthritis Outcome Score (KOOS), pain intensity and OA knee functional tests were compared at 0 weeks and 8 weeks. Maximum force in medial heel was significantly reduced in LWI with AFO group by providing additional inversion and eversion control, arch support and stability. Shifting of lower limb weight-bearing lines showed no significant results in two groups. In KOOS and VAS, knee pain and symptoms were significantly reduced in LWI with AFO group. In OA knee tests, walking speed in Timed Up-and-Go test was significantly reduced in LWI with AFO group. This study provided a comprehensive review for enhancing the prescription of LWI and/or AFO depending on different foot type. The measurement method of this study could be a cost-effective and objective method for investigation of the effect of load-modifying footwear.
著者Emily Wai-yin Chung, Michael Tim-yun Ong, Denis Shu-ming Wong, Patrick Shu-hang Yung
會議名稱The HKOA 43rd Annual Congress of The Hong Kong Orthopaedic Association
會議開始日04.11.2023
會議完結日05.11.2023
會議地點Hong Kong
會議國家/地區香港
出版年份2023
月份11
出版社Hong Kong Academy of Medicine Press
出版地Hong Kong
頁次108 - 108
語言美式英語
