Article
Engineering, Biomedical
Mateusz Kowal, Slawomir Winiarski, Ewa Gieysztor, Anna Kolcz, Karolina Walewicz, Wojciech Borowicz, Alicja Rutkowska-Kucharska, Malgorzata Paprocka-Borowicz
Summary: The study found significant differences in hip joint motion between individuals using MicPK and MechPK among above-knee amputees, with MicPK showing higher asymmetry values. However, it may not provide as much benefit as expected compared to normal gait.
JOURNAL OF NEUROENGINEERING AND REHABILITATION
(2021)
Article
Engineering, Biomedical
Sheila Clemens, Corey Pew
Summary: This study provides the first phase-specific quantification of turning biomechanics in individuals with lower limb amputation. The results indicate that individuals with unilateral transtibial amputation spend more time and experience higher impulses through their sound limb compared to their prosthetic limb during 90-degree turns, and that the prosthetic limb performs differently than the sound limb, potentially increasing risks of injury or falls.
CLINICAL BIOMECHANICS
(2023)
Article
Engineering, Biomedical
P-A Deleu, A. Naaim, L. Cheze, R. Dumas, Bernhard Devos Bevernage, L. Goubau, J-L Besse, T. Leemrijse
Summary: This study investigated the effects of ankle and hindfoot malalignment on the kinematics and kinetics of multiple joints in the foot and ankle complex in patients with post-traumatic ankle osteoarthritis. The findings revealed significant differences in foot kinematics and kinetics between different alignment groups, highlighting the importance of considering concomitant foot and ankle deformities in future studies.
CLINICAL BIOMECHANICS
(2021)
Review
Rehabilitation
Aurore Thibaut, Charlotte Beaudart, Benoit Maertens De Noordhout, Sybille Geers, Jean-Francois Kaux, Doriane Pelzer
Summary: This systematic review evaluated the impact of microprocessor prosthetic knee (MPK) on patients' functional status and quality of life. The results showed that MPK users have better functional status and quality of life compared to non-MPK users, but the superiority of more advanced MPKs over other MPKs is less clear. Further research is needed to clarify these aspects.
EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE
(2022)
Article
Neurosciences
Andrea J. Ikeda, Emily J. Hurst, Ann M. Simon, Suzanne B. Finucane, Shenan Hoppe-Ludwig, Levi J. Hargrove
Summary: Adding mass at different locations on a transfemoral prosthesis has varying effects on temporal-spatial gait parameters and metabolic requirements. Adding mass at the ankle leads to slower walking speed and increased oxygen consumption, while adding mass at the knee and shank does not significantly affect gait or metabolism.
Article
Multidisciplinary Sciences
Michal Murawa, Jakub Otworowski, Sebastian But, Jaroslaw Kabacinski, Lukasz Kubaszewski, Adam Gramala
Summary: The development of modern technologies has made it easier to regain the ability to walk after losing a lower limb. However, the affordability of prosthetic feet remains a challenge.
Article
Neurosciences
Gabriel Moisan, Ludovic Miramand, Hananeh Younesian, Thomas Legrand, Katia Turcot
Summary: This study presented biomechanical deficits in individuals with trans-tibial amputation (TTA) using one-dimensional statistical parametric mapping. Results showed increased ankle dorsiflexion and pelvic posterior tilt in TTA, as well as decreased knee flexion in early stance phase. Greater reliance on the intact lower limb was observed in TTA, indicating asymmetric kinematic and kinetic profiles.
Article
Rehabilitation
Hannah L. Jarvis, Neil D. Reeves, Martin Twiste, Rhodri D. Phillip, John Etherington, Alexander N. Bennett
Summary: This study compared the gait of severely injured but highly functional UK trans-tibial, trans-femoral, and bilateral trans-femoral military amputees with able-bodied controls. The results showed differences in joint kinematics and kinetics among the different amputee groups, partly due to limitations in prosthetic and socket designs.
ANNALS OF PHYSICAL AND REHABILITATION MEDICINE
(2021)
Article
Rehabilitation
Ashvene Sureshkumar, Michael W. Payne, Ricardo Viana, Susan W. Hunter
Summary: The study aimed to evaluate the impact of age on functional outcomes for individuals with lower limb amputations (LLA) during prosthetic rehabilitation. The results showed that the oldest old group had significantly reduced performance compared to the 50-59 age group, but achieved similar functional mobility outcomes as the 60-79 age group. Therefore, advanced age alone should not disqualify individuals from prosthetic rehabilitation.
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
(2023)
Article
Orthopedics
Gherardo Pagliazzi, Enrico De Pieri, Michele Klaeusler, Morgan Sangeux, Elke Viehweger
Summary: Overuse injuries occur when there is repetitive or increased load on a specific anatomical segment that cannot recover from the microtrauma, leading to inflammation. Limb malalignment is considered as one of the major risk factors for overuse injuries.
EFORT OPEN REVIEWS
(2022)
Article
Engineering, Biomedical
Jenny A. Kent, V. N. Murthy Arelekatti, Nina T. Petelina, W. Brett Johnson, John T. Brinkmann, Amos G. Winter, Matthew J. Major
Summary: Increasing prosthetic knee flexion damping can improve gait symmetry but may also increase the risk of toe catch. When selecting appropriate resistance for a mechanical prosthetic knee, there is a trade-off between gait safety and other key features.
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
(2021)
Review
Engineering, Biomedical
Haoran Sun, Chaoming He, Ivan Vujaklija
Summary: This paper provides an overview of the latest trends and developments in the field of actuated lower-limb prostheses and corresponding technologies. It discusses various solutions for different levels of impairments and provides insights into the latest developments of sockets and suspension systems. The paper also explores the trends in surgical approaches aimed at improving prosthetic experience through enhanced physical and neural interfaces.
EXPERT REVIEW OF MEDICAL DEVICES
(2023)
Review
Biotechnology & Applied Microbiology
Faiza Rasheed, Suzanne Martin, Kwong Ming Tse
Summary: The aim of this review article is to evaluate the design and functionality of above-knee prosthetic legs, focusing on identifying the gaps and areas of improvement. Current commercially available prosthetic legs are lacking reliability and comfort for amputees. The results suggest that an active prosthesis with reliable gait and advanced control systems would better meet the needs of above-knee amputees.
BIOENGINEERING-BASEL
(2023)
Article
Engineering, Manufacturing
Yunhee Chang, Chang-Yong Ko, Bora Jeong, Jungsun Kang, Hyuk-Jae Choi, Gyoosuk Kim, Hyunjun Shin, Sehoon Park
Summary: This study aimed to analyze changes in spatiotemporal parameters and lower limb coordination during prosthetic gait training in unilateral transfemoral amputees. The study found that the highest improvement in walking speed occurred at week 4, and the continuous relative phase was most symmetrical at week 8. The lower limb coordination pattern in the transfemoral amputees was more in-phase compared to the control group, and the coordination variability was also lower. Furthermore, the rate of change in lower limb coordination was lower than that of spatiotemporal parameters, and significantly different from the control group even after training. Therapeutic strategies are needed to further improve the coordination of transfemoral amputees.
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING
(2022)
Article
Neurosciences
B. A. Petersen, P. J. Sparto, L. E. Fisher
Summary: The study aims to determine the relationship between sensory impairments and clinical functional measures of balance and gait in individuals with a lower-limb amputation. The findings suggest that sensory impairments do not significantly affect functional measures in this population.
Review
Rehabilitation
Aliyeh Daryabor, Sumiko Yamamoto, Michael Orendurff, Toshiki Kobayashi
Summary: This systematic review evaluates the efficacy of ankle-foot orthoses (AFOs) on the energy expenditure metrics of walking in stroke survivors. The review finds that AFOs may have an immediate positive effect on energy expenditure metrics, but further research is needed to evaluate the long-term effects of gait training using AFOs and to compare different types of orthoses.
DISABILITY AND REHABILITATION
(2022)
Article
Rehabilitation
Aliyeh Daryabor, Toshiki Kobayashi, Sumiko Yamamoto, Samuel M. Lyons, Michael Orendurff, Alireza Akbarzadeh Baghban
Summary: In summary, the use of AFOs can lead to improvements in ambulatory function for stroke survivors. There is generally no significant heterogeneity in the outcomes, except for the Berg Balance Scale and Functional Ambulatory Categories. However, more research is needed to determine the effectiveness of specific orthotic designs.
DISABILITY AND REHABILITATION
(2022)
Article
Biophysics
Toshiki Kobayashi, Mingyu Hu, Ryo Amma, Genki Hisano, Hiroto Murata, Daisuke Ichimura, Hiroaki Hobara
Summary: This study investigated the gait symmetry in ground reaction force (GRF) of individuals with unilateral transfemoral amputation (uTFA). The findings showed that individuals with uTFA exhibited increased asymmetry in the vertical and mediolateral components of GRF with increasing walking speeds, while the asymmetry in the anteroposterior component remained constant. uTFA individuals typically maintained symmetric mediolateral and anteroposterior impulses across a wide range of walking speeds.
JOURNAL OF BIOMECHANICS
(2022)
Article
Orthopedics
Meng Zhang, He Gong, Ming Zhang
Summary: This study developed practical machine learning models based on clinical quantitative computed tomography (QCT) images for predicting proximal femoral strength. The models showed good agreement with QCT-based finite element analysis (QCT/FEA) and may have great potential in clinical bone health assessments.
JOURNAL OF ORTHOPAEDIC RESEARCH
(2023)
Review
Rehabilitation
Aliyeh Daryabor, Toshiki Kobayashi, Hassan Saeedi, Samuel M. Lyons, Noriaki Maeda, Sedigheh Sadat Naimi
Summary: This systematic review evaluates the effectiveness of custom-made 3D printed insoles for people with flatfeet. The evidence from selected studies suggests that using 3D printed insoles may have positive effects on pain and foot function. However, there are discrepancies in the research results regarding plantar pressures, center of pressure trajectories, ankle joint kinematics, and gait kinetics.
ASSISTIVE TECHNOLOGY
(2023)
Review
Rehabilitation
Abu Jor, Noelle W. K. Lau, Aliyeh Daryabor, Toshiki Kobayashi
Summary: The purpose of this study was to determine the effects of ankle-foot orthoses (AFO) on step-based physical activities in individuals with neurological, orthopaedic, or cardiovascular disorders. Eleven studies were selected and most of them found no significant effects of AFO on step activities. However, a few studies reported improvements in step counts and active times. Overall, AFO seemed to play a vital role in improving patient satisfaction level of step activities.
DISABILITY AND REHABILITATION
(2023)
Article
Neurosciences
Satoshi Arima, Noriaki Maeda, Shogo Tsutsumi, Honoka Ishihara, Yasunari Ikuta, Kai Ushio, Hironori Fujishita, Toshiki Kobayashi, Makoto Komiya, Masanori Morikawa, Nobuo Adachi, Yukio Urabe
Summary: This study investigated the relationship between intrinsic foot muscles (IFM) and plantar fascia morphology and the repetitive rebound jumping ability in adolescent athletes. The results showed that the thickness and cross-sectional area of the abductor hallucis (AbH) and flexor digitorum brevis (FDB) were positively correlated with jump height and reactive jump index. The dynamic posture stability index (DPSI) was significantly correlated with the thickness of the AbH, but not with other IFMs or plantar fascia. Multiple regression analysis revealed that only the thickness of the FDB was associated with jump height and reactive jump index.
Article
Multidisciplinary Sciences
Hiroshi Hashimoto, Toshiki Kobayashi, Fan Gao, Masataka Kataoka
Summary: Dynamic alignment adjustment in prosthetic fitting is crucial for user stability, kinematics, and kinetics. The appropriate sequence of adjustment is still unclear. A study was conducted to determine the sequence of adjustment by measuring socket reaction moments in different alignment conditions. The results suggest that finalizing alignment adjustments in the coronal plane is recommended.
SCIENTIFIC REPORTS
(2023)
Article
Orthopedics
Tony Lin-Wei Chen, Yan Wang, Yinghu Peng, Guoxin Zhang, Tommy Tung-Ho Hong, Ming Zhang
Summary: This study compared the advantages of Total talar replacement (TTR) and Total ankle arthroplasty (TAA) in restoring foot biomechanics during walking through computational simulations. The results showed that TTR better reproduced the joint motions, segment movements, and plantar pressure distribution of an intact foot.
JOURNAL OF ORTHOPAEDIC TRANSLATION
(2023)
Article
Biotechnology & Applied Microbiology
Toshiki Kobayashi, Mark W. P. Koh, Abu Jor, Genki Hisano, Hiroto Murata, Daisuke Ichimura, Hiroaki Hobara
Summary: The aim of this study was to assess asymmetries in individuals with unilateral transfemoral amputation during the double limb stance, depending on which limb was leading. It was found that individuals with unilateral transfemoral amputation spent a longer duration in terminal double limb stance and experienced higher anteroposterior ground reaction force compared to initial double limb stance. Significant differences in asymmetry ratios were also observed between individuals with and without unilateral transfemoral amputation.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2023)
Article
Multidisciplinary Sciences
Mingyu Hu, Toshiki Kobayashi, Genki Hisano, Hiroto Murata, Daisuke Ichimura, Hiroaki Hobara
Summary: Understanding the sprinting patterns of individuals with unilateral transfemoral amputation is crucial for improving the design of running-specific prostheses and prosthetic gait rehabilitation. This study used continuous relative phase analysis to analyze the sprinting coordination of seven individuals with unilateral transfemoral amputation. Significant differences in stance time, stance phase percentage, ankle joint angles, and continuous relative phase of the shank-foot coupling were observed between the lower limbs. However, no significant difference was found in the coordination patterns of the thigh-shank coupling, suggesting a compensation strategy for achieving improved symmetry between the lower limbs.
ROYAL SOCIETY OPEN SCIENCE
(2023)
Article
Health Care Sciences & Services
Shane-Fei Chen, Yan Wang, Yinghu Peng, Ming Zhang
Summary: The purpose of the study was to investigate the effect of lateral-heel-worn shoes (LHWS) on balance control ability using the single-leg drop jump test. The results indicated that LHWS weakened balance control ability and postural stability in the medial/lateral (M/L) direction, increasing the risk of fall injuries. However, no significant differences were found between LHWS and new shoes (NS) in the anterior/posterior and vertical directions in terms of balance control ability and postural stability during the static phase.
Article
Biotechnology & Applied Microbiology
Shanefei Chen, Yan Wang, Fangbo Bing, Ming Zhang
Summary: Exhaustion and running speed significantly affect the strain rate of the iliotibial band (ITB). Exhaustion increases the ITB strain rate, while a rapid increase in running speed also leads to a higher ITB strain rate. Therefore, running at a normal speed without excessive fatigue may be beneficial for the prevention and treatment of ITBS.
BIOENGINEERING-BASEL
(2023)
Article
Engineering, Biomedical
Genki Hisano, Hiroto Murata, Toshiki Kobayashi, Matthew J. Major, Motomu Nakashima, Hiroaki Hobara
Summary: The study found that unilateral transfemoral prosthesis users maintain dynamic balance through different segment-to-segment cancellation strategies, with significant differences observed in the sagittal and transverse planes but not in the frontal plane. This research is important for understanding the mechanisms of dynamic balance control in prosthesis users and improving gait safety.
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
(2023)
Article
Engineering, Biomedical
Mingyu Hu, Yufan He, Genki Hisano, Hiroaki Hobara, Toshiki Kobayashi
Summary: Understanding the lower-limb coordination of individuals with unilateral transfemoral amputation (uTFA) while walking is important for gait rehabilitation and development. This study analyzed the coordination patterns of the thigh-shank and shank-foot couplings in individuals with uTFA. The findings revealed distinct coordination traits in the lower limbs during different phases of gait, as well as compensatory strategies to overcome the limitations of prosthetic limbs.
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING
(2023)
Article
Biophysics
Nathan D. Camarillo, Rafael Jimenez-Silva, Frances T. Sheehan
Summary: This article discusses the statistical dependence between multiple measurements from the same participant and provides recommendations for using these measurements when they are not independent.
JOURNAL OF BIOMECHANICS
(2024)
Article
Biophysics
J. Huet, A. -S. Boureau, A. Sarcher, C. Cornu, A. Nordez
Summary: Standard compression in freehand 3D ultrasound induces a bias in volume calculations, but minimal compression and gel pad methods have similar results. With a trained examiner and precautions, the bias can be minimized and become acceptable in clinical applications.
JOURNAL OF BIOMECHANICS
(2024)
Article
Biophysics
C. Lariviere, A. H. Eskandari, H. Mecheri, F. Ghezelbash, D. Gagnon, A. Shirazi-Adl
Summary: Recent developments in musculoskeletal modeling have focused on model customization. Personalization of the spine profile may affect estimates of spinal loading and stability. This study investigates the biomechanical consequences of changes in the spinal profile and finds that personalizing the spine profile has medium to large effects on trunk muscle forces and negligible to small effects on spinal loading and stability.
JOURNAL OF BIOMECHANICS
(2024)
Article
Biophysics
Luke T. Mattar, Arash B. Mahboobin, Adam J. Popchak, William J. Anderst, Volker Musahl, James J. Irrgang, Richard E. Debski
Summary: Exercise therapy fails in about 25.0% of cases for individuals with rotator cuff tears, and one reason for this failure may be the inability to strengthen and balance the muscle forces that keep the humeral head in the correct position. This study developed computational musculoskeletal models to compare the net muscle force before and after exercise therapy between successfully and unsuccessfully treated patients. The study found that unsuccessfully treated patients had less inferiorly oriented net muscle forces, which may increase the risk of impingement.
JOURNAL OF BIOMECHANICS
(2024)
Article
Biophysics
Natsuki Sado, Takeshi Edagawa, Toshihide Fujimori, Shogo Hashimoto, Yoshikazu Okamoto, Takahito Nakajima
Summary: The existing methods for predicting hip and lumbosacral joint centres in Japanese adults are biased and differ between sexes. We propose new regression equations that consider soft-tissue thickness, sex differences, and a height-directional measure, and validate them using leave-one-out cross-validation.
JOURNAL OF BIOMECHANICS
(2024)
Article
Biophysics
Peimin Yu, Xuanzhen Cen, Qichang Mei, Alan Wang, Yaodong Gu, Justin Fernandez
Summary: This study aimed to explore the intra-foot biomechanical differences among individuals with chronic ankle instability (CAI), copers, and healthy individuals during dynamic tasks. The study found that copers and CAI individuals had smaller dorsiflexion angles and copers presented a more eversion position compared to healthy participants. Copers also had greater dorsiflexion angles in the metatarsophalangeal joint and more inversion moments in the subtalar joint during certain tasks. These findings can help in designing interventions to restore ankle joint functions in CAI individuals.
JOURNAL OF BIOMECHANICS
(2024)
Article
Biophysics
Jon Skovgaard Jensen, Anders Holsgaard-Larsen, Anders Stengaard Sorensen, Per Aagaard, Jens Bojsen-Moller
Summary: This study investigates the biomechanical effects of robot-assisted body weight unloading (BWU) on gait patterns in healthy young adults. The results show that dynamic robot-assisted BWU enables reduced kinetic requirements without distorting biomechanically normal gait patterns during overground walking.
JOURNAL OF BIOMECHANICS
(2024)