Dimensional Synthesis Design of a Walking Aided Training Robot by Qin Tao

“…According to the change laws of ankle and knee joint posture during normal walking,the dimensional synthesis optimization of ankle joint attitude restraining mechanism and aided knee flexion mechanism is carried out to determine the optimal size parameters of the mechanism. …”
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Estimating Ground Inclination Using Strain Sensors with Fourier Series Representation by Wolfgang Svensson, Ulf Holmberg

“…Strain gauge sensors were mounted on a foot orthosis to give information about strain in the sagittal plane. The ankle angle of the orthosis was fixed and strain characteristics were therefore changed when walking on slopes. …”
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A Study on Lower Limb Movement Intention Recognition Based on Multi-Source Information Fusion by Siyu Zong, Wei Li, Dawen Sun, Xiaojie Wei, Junjie Chen, Zhengwei Yue, Daxue Sun

“…The multivariate flow-limited sliding time window BPGN reduced the mean knee error by 11.2° and the mean ankle angle error by 7.4° compared to Radial Basis Function (RBF) Neural-network intent recognition. …”
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Bilateral medial malleolar fractures in a young athlete: the role of biomechanics in non-contact injuries by Josh Landers, Austin Fortinberry

“…The likelihood of sustaining such fractures in both ankles independently, particularly in non-contact situations, is exceedingly rare. …”
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Kinematic analysis and bilateral differences in pedaling technique of professional cyclists by Javier Yanci Irigoyen

“…The objectives of this study were to describe the maximal angulations of knee and ankle in the flexions and extensions in pedaling performed by professional cyclists and to compare the differences in these angulations between the right and left leg. …”
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Do Novice Runners Show Greater Changes in Biomechanical Parameters? by Wenjing Quan, Feng Ren, Dong Sun, Gusztáv Fekete, Yuhuan He

“…No significant differences were observed between novice and experienced runners for both ankle and knee joint kinetics except that the ankle joint plantar flexion torque was significantly greater in the novice runners. …”
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A Fast Testing Method to Objectively Quantify the Stiffness of Stability Boots by Simon Bürgi, Judith Roost, Marco R. Hitz, Peter Schwilch, William R. Taylor, Silvio Lorenzetti

“…Stability boots can protect the ankle ligaments from overloading after serious injury and facilitate protected movement in order to aid healing of the surrounding soft tissue structures. …”
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Physical activity and gait kinematics in the elderly by Victor Pitzer Neto, Airton Rombaldi, Mirelle Saes, Fernando Siqueira

“…The kinematic parameters investigated in gait were stride length, gait speed, distance between the ground and the hallux and the angles of the hip, knee and ankle. Kinovea 0.8 and ImageJ were used for photogrammetric data analysis and STATA 9.2 was used for statistical analysis. …”
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Structure Design and Simulation Analysis of the Lower Limb Wearable Walking Aid by Wang Xin, Yan Peifeng

“…The results show that the joint angle change curve is basically consistent with the angle curve collected from the experiment, and the angular velocity change curve and the ankle joint centroid position change curve are consistent with the normal human walking law, which verify the rationality of the structure design of the lower limb wearable walker.…”
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An Investigation into the Relation between the Technique of Movement and Overload in Step Aerobics by Alicja Rutkowska-Kucharska, Katarzyna Wysocka, Sławomir Winiarski, Agnieszka Szpala, Małgorzata Sobera

“…Our research confirmed that foot dorsal flexion and adduction performed while stepping up increased load on the ankle joint. Both small and large angles of knee flexion while stepping up and down resulted in knee joint injuries. …”
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The Association of Joint Power Kinetic Variables with Running Injuries: A Case-Control Study by Matt Dewald, Jennifer Dalland, Josie Stockland

“… # Results No peak power variable at the hip, knee, or ankle was significantly different between injured and non-injured runners (p=0.07-0.87). …”
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Simulation Analysis and Experimental Study of Human Lower Limb Joint Motion by Xin Zhou, Geng Liu, Bing Han, Kai Qiao, Xiaoli Liu

“…A simplified mathematical model of human lower limbs is established， and the posture coordinate equations of hip， knee and ankle joints are obtained. UG is used to establish the model； Adams and OpenSim are used to simulate the test； the lower limb joint angle， step height and step length curves are obtained. …”
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Reliability and Validity Study of A Portable Gait Detection System Based on Wearable Sensors by WAN Chunli, GUO Chuan, WANG Xue, WANG Yuan, WANG Jian, QIAN Yingzhou, SUN Zhenyu, ZOU Jun, HUANG Sisi

“…The MDC and MDC% values were 0.06 to 6.02 and 1.37% to 38.34%, respectively. (3) Validity analysis: Bland-Altman plot showed that the mean absolute errors and 95% <italic>CI</italic> of gait cycle, swing phase proportion, stance phase proportion and walking speed were 0.003 s, (-0.059, 0.064); 0.756%, (-3.048, 4.560); -0.756%, (-4.560, 3.048); -0.001 m/s, (-0.155, 0.152), respectively.ConclusionRight Gait &amp; Posture® gait detection system shows good reliability in spatio-temporal parameters and ankle kinematics parameters, and has high validity in gait cycle, swing phase proportion, stance phase proportion and walking speed, which is recommended for clinical application.…”
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Clinical Outcome of High Tibial Osteotomy by Hemicallotasis Using a Dynamic Axial Fixator on 52 Knees by Anand Kumar Gupta, Debojyoti Mukherjee, Sanjay Kumar

“…Anatomical correction was determined on the basis of a radiological criterion (Hip-Knee-Ankle [HKA] angle) on the scanogram. Whereas, the functional outcomes of the patients were measured on Oxford Knee Score (OKS) and Western Ontario and McMaster Universities OA Index (WOMAC) score scales. …”
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Investigation of foot biomechanics in youth basketball players by Hamza Sinen, Berkay Üzümcü, Yusuf Yaşasın, Görkem Açar, Sinan Seyhan

“…These findings suggest that young athletes may be at risk for ankle and knee problems. Therefore, early preventive measures and regular foot biomechanical evaluations are recommended.…”
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Biomechanical Characteristics on the Lower Extremity of Three Typical Yoga Manoeuvres by Elizabeth Whissell, Lin Wang, Pan Li, Jing Xian Li, Zhen Wei

“…No significant difference was found for the hip and ankle joint moment amongst the three manoeuvres (P>0.05). …”
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Subtalar arthroereisis for simultaneous treatment of flexible pes planus during surgical correction of hallux valgus by Fan Yang, Chenglin Wu, Jiazheng Wang, Guohua Mei, Jian Zou, Jianfeng Xue, Yan Su, Xin Ma, Jieyuan Zhang, Zhongmin Shi

“…We collected and compared pre- and at least 2 year postoperative clinical outcomes (American Orthopaedic Foot & Ankle Society (AOFAS) forefoot, hindfoot score, Visual Analog Scale (VAS) pain intensity) and radiographic outcomes (hallux valgus angle (HVA), intermetatarsal angle (IMA), Meary’s angle, talonavicular coverage angle (TNCA), and calcaneal pitch (CP) angle in both groups. …”
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Static and dynamic stretching have same effects on lower extremity joints kinematics and muscular EMG variability in healthy active males during pedaling by Ali Abbası, Heydar Sadeghı, Mehdi Zamanıan

“…Filtered EMG signals and hip, knee and ankle joints angle and angular velocity were extracted for constructing time series and variability calculation. …”
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Design and Analysis of the Bionic Mechanical Foot with High Trafficability on Sand by Rui Zhang, Hao Pang, Haijin Wan, Dianlei Han, Guoyu Li, Lige Wen

“…After analyzing the angle changes of the ankle joint and the metatarsophalangeal (MTP) joint, the displacement changes of the knee joint, the ankle joint, the MTP joint, and each phalanx along the z-axis, the plantar pressure distribution, and the footprints, we drew the conclusion that the bionic mechanical foot is helpful to reduce the sinkage and improve the trafficability on sand ground. …”
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