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Characteristics of Plantar Loads During Walking in Patients with Knee Osteoarthritis

Zhiwang Zhang, Lin Wang, Kaijun Hu, Yu Liu

Key Laboratory of Exercise and Health Science of the Ministry of Education, Shanghai University of Sport, Shanghai, China (mainland)

Med Sci Monit 2017; 23:5714-5719

DOI: 10.12659/MSM.905136

Available online:

Published: 2017-12-01


BACKGROUND: Knee osteoarthritis (KOA) is a common disease that can change the load on lower limbs during walking. Plantar loads in patients with KOA may provide a basis for clinical decisions regarding footwear and foot orthoses. This study aimed to compare plantar loads in females with and without KOA during gait.
MATERIAL AND METHODS: Plantar pressure during walking was recorded in 23 females with KOA and 23 females without KOA. Maximum force (MF), contact area (CA), and peak pressure (PP) were measured at 7 different regions underneath the foot, named heel (M1), midfoot (M2), first metatarsophalangeal joint (MPJ) (M3), second MPJ (M4), third to fifth MPJ (M5), hallux (M6), and lesser toes (M7).
RESULTS: PPs for M2 and (M3) in females with KOA were higher than those in females without KOA. High PPs were also found in females with KOA for M2, M3, and M4.
CONCLUSIONS: Increased plantar loading in females with KOA may lead to foot pronation and gait changes during walking. Plantar loading may be offered to patients with KOA when considering footwear and foot orthoses.

Keywords: Osteoarthritis, Knee, Walking



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