Relationships between the center of pressure and the movements of the ankle and knee joints during the stance phase in patients with severe medial knee osteoarthritis

Fukaya, Takashi; Mutsuzaki, Hirotaka; Ōkubo, Tomoyuki; Mori, Koichi; Wadano, Yasuyoshi

doi:10.1016/j.knee.2016.02.019

Cited by 14 publications

(8 citation statements)

References 29 publications

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“…The markers and joint angles acquired from the Plug-In-Gait ® model were low-pass filtered at 6 Hz, and the ground reaction forces were filtered at 30 Hz using a second-order, dual-pass Butterworth filter. We modeled the body as a three-dimensional rigid link between the foot, shin, and thigh, and computed the internal moments of the knee joint using inverse dynamics techniques and formulas, as described previously [13]. Data for changes in bilateral knee joint angles in three dimensions during the stance phase and bilateral knee sagittal and frontal moments exerted during early and late stance phases were extracted from kinematics and kinetics analyses.…”

Section: Discussionmentioning

confidence: 99%

“…Knee extensor moment during the walking stance phase is exerted in the initial stance phase. In severe KOA, exertion of knee extensor moment is smaller than that of healthy people because of pain and joint dysfunction [13]. It is thought that severe KOA reduces walking speed more than in healthy people, and soft landing on the floor reduces the exertion of knee extensor moment [16,17].…”

Section: Discussionmentioning

confidence: 99%

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Influence of Pain on Knee Joint Movement and Moment during the Stance Phase in Patients with Severe Bilateral Knee Osteoarthritis: A Pilot Study

2019

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Background and Objectives: The purpose of this study was to compare the side-to-side differences in knee joint movement and moment for the degree of pain in the walking stance phase in patients with bilateral knee osteoarthritis (KOA) of comparable severity. We hypothesized that knee joint movement and moment on the side with strong pain were lower compared with the side with weak pain. Materials and Methods: We included 11 patients diagnosed with bilateral severe KOA. In all patients’ left and right knees, the Kellgren–Lawrence radiographic scoring system grade was level 4, and the femorotibial angle and knee range of motion were equivalent. Following patients’ interviews with an orthopedic surgeon, we performed a comparative study with KOA with strong pain (KOAs) as the strong painful side and KOA with weak pain (KOAw) as the weak painful side. Data for changes in bilateral knee joint angles in three dimensions during the stance phase and bilateral knee sagittal and frontal moments exerted in the early and late stance phases were extracted from kinematics and kinetics analyses. Results: Three-dimensional joint movements in the knee joint were not significantly different in all phases between KOAs and KOAw. Knee extensor moment in the early stance phase in KOAs was significantly smaller than that in KOAw. Knee abductor moment in the early and late stance phase was not significantly different between KOAs and KOAw. Conclusions: Although we found no difference in joint motion in bilateral knee joints, knee extensor moment on the side with strong pain was decreased. In patients with bilateral severe KOA, it was suggested that the magnitude of knee pain contributed to the decrease in knee joint function.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Influence of Pain on Knee Joint Movement and Moment during the Stance Phase in Patients with Severe Bilateral Knee Osteoarthritis: A Pilot Study

2019

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“…The calculation of the joint moments was conducted in the same way as that described in a previous report. 24 Body segment parameter coefficients specific to the Japanese population were used, as reported previously. 25 Joint moment data were normalized to body weight.…”

Section: Fukaya Et Almentioning

confidence: 99%

Characteristics of frontal plane lower limb movement during walking in patients with knee osteoarthritis of varying severity

Fukaya

Mutsuzaki

Nakano

et al. 2019

J Orthop Surg (Hong Kong)

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This study aimed to investigate the effect of knee joint structural destruction on frontal plane hip and ankle joint kinematics and kinetics during the stance phase of walking in patients with differing severities of knee osteoarthritis (KOA). Methods: An early KOA group consisted of eight subjects with bilateral knee Kellgren-Lawrence (KL) scale scores of 1 or 2. An established KOA group comprised nine subjects (18 knees) with KL scores of 3 or 4. To measure walking, the data were obtained using the motion analysis system and force plates. From the ground reaction force data, the stance phase of gait was divided into five periods. Results: In the established KOA group, the hip joint was significantly abducted, and the knee joint had significantly greater varus positioning during the stance phase. In addition, in the established KOA group, a significant knee abductor moment was observed during the stance phase. In contrast, in the early KOA group, the ankle joint showed a significant inversion moment during the stance phase, but in the established KOA group, the ankle joint moment was very small. Conclusions: The structural destruction of the knee joint in the frontal plane in patients with the established KOA changes the movement of the hip and the moment of the ankle.

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“…The typical applications of plantar loads are injury prevention [16], footwear design [17], and sport performance [18]. Some studies [19,20] had revealed that the ankle may play a compensatory role in individuals with KOA to relieve the pain or discomfort during walking, and loading patterns in the feet were related to KOA [21]. Zhang et al [22] found that peak pressure and maximum force were significantly different from KOA females in midfoot and forefoot when compared with normal females.…”

Section: Introductionmentioning

confidence: 99%

Effect of Tai Chi Training on Plantar Loads during Walking in Individuals with Knee Osteoarthritis

Zhang

Huang

Liu

et al. 2020

BioMed Research International

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Tai Chi is an available method for the treatment of knee osteoarthritis (KOA). The impacts of Tai Chi on plantar loads of individuals with KOA are not fully understood. 46 participants with knee osteoarthritis were randomly assigned into the Tai Chi group (n=23) or the control group (n=23). The Tai Chi group attended a 6-month Tai Chi program, and the control group participated in a wellness education program. Novel Pedar-X system was used to collect the peak pressure (PP) and maximum force (MF) during walking before and 6 months after the intervention. Significant higher peak pressure and maximum force were observed in the 4th and 5th metatarsophalangeal joints in the Tai Chi group. However, there were significant declines in the peak pressure of the whole foot and the 2nd and 3rd metatarsophalangeal joints and maximum force of the heel in the control group. These results suggested that individuals with KOA might change the pattern of plantar loads during walking through Tai Chi, and plantar loads would be useful as a parameter to assess the effect of Tai Chi on knee osteoarthritis. This trial is registered with Clinical Trials: CHiCTR-TRC-13003264.

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Relationships between the center of pressure and the movements of the ankle and knee joints during the stance phase in patients with severe medial knee osteoarthritis

Cited by 14 publications

References 29 publications

Influence of Pain on Knee Joint Movement and Moment during the Stance Phase in Patients with Severe Bilateral Knee Osteoarthritis: A Pilot Study

Influence of Pain on Knee Joint Movement and Moment during the Stance Phase in Patients with Severe Bilateral Knee Osteoarthritis: A Pilot Study

Characteristics of frontal plane lower limb movement during walking in patients with knee osteoarthritis of varying severity

Effect of Tai Chi Training on Plantar Loads during Walking in Individuals with Knee Osteoarthritis

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