Foot contact pattern analysis in hemiplegic stroke patients: An implication for neurologic status determination11No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the authors(s) or upon any organization with which the author(s) is/are associated.

Wong, May‐Kuen; Pei, Yu‐Cheng; Hong, Wei-Hsien; Chung, Chia-Ying; Lau, Yiu-Chung; Chen, Carl P.

doi:10.1016/j.apmr.2003.11.039

Cited by 61 publications

(16 citation statements)

References 8 publications

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“…Models have been developed to predict gait speed in elders [27] and hemiparetic stroke patients [28] as well as falls in a cohort of elders with increased gait variability [29]. Menz et al [30] hypothesized that individuals with midfoot OA have flatter feet and generate greater forces through the plantar midfoot while walking.…”

Section: Discussionmentioning

confidence: 99%

Foot Type Biomechanics Part 2: Are structure and anthropometrics related to function?

et al. 2013

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Background Many foot pathologies are associated with specific foot types. If foot structure and function are related, measurement of either could assist with differential diagnosis of pedal pathologies. Hypothesis Biomechanical measures of foot structure and function are related in asymptomatic healthy individuals. Methods Sixty-one healthy subjects' left feet were stratified into cavus (n = 12), rectus (n = 27) and planus (n = 22) foot types. Foot structure was assessed by malleolar valgus index, arch height index, and arch height flexibility. Anthropometrics (height and weight), age, and walking speed were measured. Foot function was assessed by center of pressure excursion index, peak plantar pressure, maximum force, and gait pattern parameters. Foot structure and anthropometric variables were entered into stepwise linear regression models to identify predictors of function. Results Measures of foot structure and anthropometrics explained 10–37% of the model variance (adjusted R2) for gait pattern parameters. When walking speed was included, the adjusted R2 increased to 45–77% but foot structure was no longer a factor. Foot structure and anthropometrics predicted 7–47% of the model variance for plantar pressure and 16–64% for maximum force parameters. All multivariate models were significant (p < 0.05), supporting acceptance of the hypothesis. Discussion and conclusion Foot structure and function are related in asymptomatic healthy individuals. The structural parameters employed are basic measurements that do not require ionizing radiation and could be used in a clinical setting. Further research is needed to identify additional predictive parameters (plantar soft tissue characteristics, skeletal alignment, and neuromuscular control) and to include individuals with pathology.

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Section: Discussionmentioning

confidence: 99%

Foot Type Biomechanics Part 2: Are structure and anthropometrics related to function?

et al. 2013

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“…However, with the use of walking aids or orthoses, this has not been sufficiently explained16 ) . The previous studies were mainly focused on the change in the relationship between the plantar surface pressure and ankyloses in the lower limb of hemiplegic patients17 ) .…”

Section: Discussionmentioning

confidence: 99%

“…For example, Wong et al argued that three types of GRFs were observed in the affected side of hemiplegic stroke patients16 ) .…”

Section: Discussionmentioning

confidence: 99%

Impact of the difference in the plantar flexor strength of the ankle joint in the affected side among hemiplegic patients on the plantar pressure and walking asymmetry

You¹,

Chung

Lee

2016

J Phys Ther Sci

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[Purpose] This study was to examine the changes in the gait lines and plantar pressures in static and dynamic circumstances, according to the differences in the strengths of the plantar flexors in the ankle joints on the affected sides of hemiplegic patients, and to determine their impacts on walking symmetry. [Subjects and Methods] A total of thirty hospitalized stroke patients suffering from hemiplegia were selected in this study. The subjects had ankylosing patterns in the ankle joints of the affected sides. Fifteen of the patients had plantar flexor manual muscle testing scores between poor and fair, while fifteen of the patients had zero and trace. [Results] The contact pattern of the plantar surface with the ground is a reliable method for walking analysis, which is an important index for understanding the ankle mechanism and the relationship between the plantar surface and the ground. [Conclusion] The functional improvement of patients with stroke could be supported through a verification of the analysis methods of the therapy strategy and walking pattern.

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“…Past studies in humans and animals have shown that cutaneous receptors in the foot play an essential role in the control of gait [ 2 , 3 , 20 – 29 ] and posture [ 30 , 31 ]. In stroke patients with hemiparesis, the range of COP trajectories during walking is narrowed on the affected foot owing to the change in gait [ 8 ]. In our prosthesis, we used auditory feedback from the heel and/or fifth metatarsal sensors in conditions (ii), (iii), and (iv).…”

Section: Discussionmentioning

confidence: 99%

“…Thus, the aim of this study was to verify the short-term effect of the prosthesis in transforming sensory modalities for patients with sensory impairments. In particular, we focused on an auditory feedback prosthesis that transformed plantar sensation in walking rehabilitation [ 1 ] for the following four reasons: plantar sensation, that is, the trajectory of the center of pressure (COP) on the plantar region and the magnitude of load, is an essential kinesthesia in walking [ 2 – 7 ]; in stroke patients with hemiparesis, the range of COP trajectories during walking is narrowed on the affected foot through the change of gait [ 8 ]; the time required for the cognitive resolution of auditory signals in the human brain (approximately 1 ms) is shorter than that required for the resolution of visual feedback signals (approximately 50–100 ms); and visual feedback systems, for example, a display showing visual feedback signals, constrains the posture of subjects, resulting in limited rehabilitation spaces and approaches.…”

Section: Introductionmentioning

confidence: 99%

Short-Term Effect of Prosthesis Transforming Sensory Modalities on Walking in Stroke Patients with Hemiparesis

et al. 2016

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Sensory impairments caused by neurological or physical disorders hamper kinesthesia, making rehabilitation difficult. In order to overcome this problem, we proposed and developed a novel biofeedback prosthesis called Auditory Foot for transforming sensory modalities, in which the sensor prosthesis transforms plantar sensations to auditory feedback signals. This study investigated the short-term effect of the auditory feedback prosthesis on walking in stroke patients with hemiparesis. To evaluate the effect, we compared four conditions of auditory feedback from plantar sensors at the heel and fifth metatarsal. We found significant differences in the maximum hip extension angle and ankle plantar flexor moment on the affected side during the stance phase, between conditions with and without auditory feedback signals. These results indicate that our sensory prosthesis could enhance walking performance in stroke patients with hemiparesis, resulting in effective short-term rehabilitation.

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Cited by 61 publications

References 8 publications

Foot Type Biomechanics Part 2: Are structure and anthropometrics related to function?

Foot Type Biomechanics Part 2: Are structure and anthropometrics related to function?

Impact of the difference in the plantar flexor strength of the ankle joint in the affected side among hemiplegic patients on the plantar pressure and walking asymmetry

Short-Term Effect of Prosthesis Transforming Sensory Modalities on Walking in Stroke Patients with Hemiparesis

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