Effectiveness Of A Customizable Off-the-shelf Inshoe Orthotic In Controlling Foot Motion During Running.

Abstract Background Metatarsophalangeal joint (MTPJ) hyperextension deformity is common in people with diabetic neuropathy and a known risk factor for ulceration and amputation. An MTPJ hyperextension movement pattern may contribute to the development of this acquired deformity. Objective The purpose of this study was to determine, in people with diabetes mellitus and peripheral neuropathy (DM+PN), the ankle and MTPJ ranges of motion that characterize an MTPJ hyperextension movement pattern and its relationship to MTPJ deformity severity. It was hypothesized that severity of MTPJ deformity would be related to limitations in maximum ankle dorsiflexion and increased MTPJ extension during active ankle dorsiflexion movement tasks. Design A cross-sectional study design was used that included 34 people with DM+PN (mean age=59 years, SD=9). Methods Computed tomography and 3-dimensional motion capture analysis were used to measure resting MTPJ angle and intersegmental foot motion during the tasks of ankle dorsiflexion and plantar flexion with the knee extended and flexed to 90 degrees, walking, and sit-to/from-stand. Results The MTPJ extension movement pattern during all tasks was directly correlated with severity of MTPJ deformity: maximum ankle dorsiflexion with knee extended (r=.35; 95% confidence interval [CI]=.02, .62), with knee flexed (r=.35; 95% CI=0.01, 0.61), during the swing phase of gait (r=.47; 95% CI=0.16, 0.70), during standing up (r=.48; 95% CI=0.17, 0.71), and during sitting down (r=.38; 95% CI=0.05, 0.64). All correlations were statistically significant. Limitations This study was cross-sectional, and causal relationships cannot be made. Conclusions A hyperextension MTPJ movement pattern associated with limited ankle dorsiflexion has been characterized in people with diabetic neuropathy. Increased MTPJ extension during movement and functional tasks was correlated with severity of resting MTPJ alignment. Repetition of this movement pattern could be an important factor in the etiology of MTPJ deformity and future risk of ulceration.

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Smooth estimation of human foot motion for zero-velocity-update-aided inertial pedestrian navigation system

Sensor Review ◽

10.1108/sr-03-2015-0032 ◽

2015 ◽

Vol 35 (4) ◽

pp. 389-400 ◽

Cited By ~ 14

Author(s):

Hongyu Zhao ◽

Zhelong Wang ◽

Qin Gao ◽

Mohammad Mehedi Hassan ◽

Abdulhameed Alelaiwi

Keyword(s):

Navigation System ◽

Gait Cycle ◽

Inertial Sensor ◽

Computational Cost ◽

Content Type ◽

Human Foot ◽

Pedestrian Navigation ◽

Zero Velocity ◽

Foot Motion ◽

Smooth Transitions

Purpose – The purpose of this paper is to develop an online smoothing zero-velocity-update (ZUPT) method that helps achieve smooth estimation of human foot motion for the ZUPT-aided inertial pedestrian navigation system. Design/methodology/approach – The smoothing ZUPT is based on a Rauch–Tung–Striebel (RTS) smoother, using a six-state Kalman filter (KF) as the forward filter. The KF acts as an indirect filter, which allows the sensor measurement error and position error to be excluded from the error state vector, so as to reduce the modeling error and computational cost. A threshold-based strategy is exploited to verify the detected ZUPT periods, with the threshold parameter determined by a clustering algorithm. A quantitative index is proposed to give a smoothness estimate of the position data. Findings – Experimental results show that the proposed method can improve the smoothness, robustness, efficiency and accuracy of pedestrian navigation. Research limitations/implications – Because of the chosen smoothing algorithm, a delay no longer than one gait cycle is introduced. Therefore, the proposed method is suitable for applications with soft real-time constraints. Practical implications – The paper includes implications for the smooth estimation of most types of pedal locomotion that are achieved by legged motion, by using a sole foot-mounted commercial-grade inertial sensor. Originality/value – This paper helps realize smooth transitions between swing and stance phases, helps enable continuous correction of navigation errors during the whole gait cycle, helps achieve robust detection of gait phases and, more importantly, requires lower computational cost.

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The influence of running speed on multi-segment foot motion

Foot and Ankle Surgery ◽

10.1016/j.fas.2016.05.312 ◽

2016 ◽

Vol 22 (2) ◽

pp. 117

Author(s):

J. Ryu ◽

S.-K. Park ◽

S. Yoon ◽

W.K. Lam

Keyword(s):

Running Speed ◽

Foot Motion

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PEMBELAJARAN GERAK SENAM BER-IRAMA DAPAT MENINGKATKAN KECERDASAN KINESTETIK TK ABA 3 SUMBERSARI

PAMBUDI ◽

10.33503/pambudi.v4i01.827 ◽

2020 ◽

Vol 4 (01) ◽

pp. 57-61

Author(s):

Bahtiar Hari Hardovi ◽

Misyana Misyana ◽

Ahmad Bahriyanto ◽

Dinda Putri Toyibah

Keyword(s):

Early Childhood ◽

Early Childhood Education ◽

Model Development ◽

Arm Swing ◽

Childhood Education ◽

Rhythmic Gymnastics ◽

Foot Motion ◽

Education Personnel ◽

The Village

Early childhood Education (Paud) is one of the satu efforts to improve its physical, cognitive, social, spiritual and emotionalchanges. TK ABA III located in the village of kelurahan sumbersari, jember District is the educational place for children . Every Schooling definitely There are no a prob growingissues. The problems of the school ABA 3 Sumbersari Kindergarten school through interviews with the headmaster , Mrs . Erna Sri Rahayu., S. Pd menutit: First, the manpower of lack of rhythmic gymnastics knowledge . Second Lack of knowledgeable bahwasanya The watering gymnastics can improve kinesthetic. With a thus Required implementation of Empowerment pelatihan RHYTHM training in Kindergarten School ABA 3 Sumbersari. Then need to be adanya of pelatihan Gymnastics training is rhythmic to the ada education Personnel in lingkungan TheSchool environment. In the Skeletal pengembangan Model development and teknologi Learningtechnology. Then Teams Devotion Deliver Training rhythmic motion of Gymnastics . Includes a step foot motion technique that needs to be noticed by the participants, then participants follow and memorize and perform the movement repeatedly. Then the sculpte gives the technique of arm swing and the Pesesrta to perform repeatedly. And the last participant performs the movement in a rhythm. With a rhythmic gymnastics training the teachers become aware of the rhythmic gymnastics that is bungan by increasing the Kinestetian intelligence of early childhood.

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The development of a gait shoe for multi-segment foot motion analysis

Journal of Foot and Ankle Research ◽

10.1186/1757-1146-3-s1-o12 ◽

2010 ◽

Vol 3 (S1) ◽

Author(s):

Jill Halstead ◽

Dennis McGonagle ◽

Anne-Maree Keenan ◽

Philip Conaghan ◽

Anthony Redmond

Keyword(s):

Motion Analysis ◽

Foot Motion

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Magnitude and Phase Spectra of Foot Motion for Gait Recognition

Computer Analysis of Images and Patterns - Lecture Notes in Computer Science ◽

10.1007/11556121_48 ◽

2005 ◽

pp. 390-397 ◽

Cited By ~ 2

Author(s):

Agus Santoso Lie ◽

Shuichi Enokida ◽

Tomohito Wada ◽

Toshiaki Ejima

Keyword(s):

Gait Recognition ◽

Foot Motion ◽

Phase Spectra

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Rear Foot Inversion/Eversion During Gait Relative to the Subtalar Joint Neutral Position

Foot & Ankle International ◽

10.1177/107110079601700709 ◽

1996 ◽

Vol 17 (7) ◽

pp. 406-412 ◽

Cited By ~ 63

Author(s):

Michael Raymond Pierrynowski ◽

Steve Barry Smith

Keyword(s):

Subtalar Joint ◽

Three Dimensional ◽

Neutral Position ◽

Foot Care ◽

Worst Case ◽

Foot Motion ◽

Rear Part ◽

Valid Estimate ◽

Foot Position ◽

Foot Orthotic

Clinicians often fabricate foot orthotic devices at the subtalar joint neutral position (STNP) to mimic the position of the rear foot during midstance. However, rear foot motion during gait, relative to the resting standing foot position, not the STNP, is often reported in the literature. The motion of the rear foot relative to a valid estimate of the STNP is unknown. In this study, six experienced foot care specialists manually placed the rear part of the feet of nine subjects at the STNP seven or eight times to obtain a valid estimate of each subject's STNP. The worst-case mean and 95% confidence interval of the STNP estimate for any one subject was 0.0° ± 0.7°. These nine subjects then walked on a motor-driven treadmill, set at 0.89 meters/sec, and three-dimensional estimates of each subject's rear foot inversion/eversion motion were obtained, then averaged over 6 to 26 strides. For most subjects, the rear foot was always everted during stance with mean and standard deviation maximal eversion (7.2° ± 1.2°) occurring at 44% of the total gait cycle. The inversion/eversion orientation during swing was characterized by 1 ° to 2° of eversion, with a small amount of inversion in early swing. These findings have implications for the fabrication of foot orthoses, since the rear foot is rarely near the STNP during stance.

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