Article
Orthopedics
Young Dong Song, Shinichiro Nakamura, Shinichi Kuriyama, Kohei Nishitani, Hiromu Ito, Yoshihisa Tanaka, Yugo Morita, Shuichi Matsuda
Summary: Asymmetric tibial insert design can restore normal knee kinematics better than symmetric design and has clinical benefits.
Article
Engineering, Biomedical
Caleigh E. Bourdon, Jordan S. Broberg, Richard W. McCalden, Douglas D. Naudie, Steven J. MacDonald, Brent A. Lanting, Matthew G. Teeter
Summary: In long-term follow-up of well-functioning implants for posterior stabilized and cruciate retaining knee designs, differences in kinematics and wear resistance were observed. Implant design was found to influence long-term kinematics and wear in well-functioning implants, with condylar separation linked to increased wear rates and should be avoided.
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS
(2021)
Article
Biotechnology & Applied Microbiology
Chaohua Fang, Yichao Luan, Zhiwei Wang, Long Shao, Tiebing Qu, Cheng-Kung Cheng
Summary: The study shows that 5 degrees external rotation of the tibial component has the closest kinematics to the intact knee after TKA, and moderate external rotation can improve knee kinematics post TKA.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Orthopedics
Young Dong Song, Shinichiro Nakamura, Shinichi Kuriyama, Kohei Nishitani, Hiromu Ito, Yugo Morita, Yusuke Yamawaki, Shuichi Matsuda
Summary: This study compared the motion, contact forces, and contact stress between mechanically aligned and kinematically aligned models in a medial pivot knee design. The results showed that the kinematically aligned models can achieve near-normal knee kinematics, but there may be higher contact stresses on the tibial insert.
JOURNAL OF KNEE SURGERY
(2023)
Article
Orthopedics
Jordan S. Broberg, Douglas D. R. Naudie, James L. Howard, Brent A. Lanting, Edward M. Vasarhelyi, Matthew G. Teeter
Summary: This study found correlations between contact kinematics and tibial component migration in patients who underwent bicruciate stabilized total knee arthroplasty (TKA). The excursion on the lateral condyle was the most consistent variable correlating with implant migration. Some patients experienced continuously migrating tibial components, which may be attributed to abnormal kinematics. Therefore, restoring knee kinematics is crucial in minimizing improper force transmissions and implant migrations.
JOURNAL OF ARTHROPLASTY
(2023)
Article
Orthopedics
Jordan S. Broberg, Douglas D. R. Naudie, Brent A. Lanting, James L. Howard, Edward M. Vasarhelyi, Matthew G. Teeter
Summary: This study compared satisfied and dissatisfied total knee arthroplasty (TKA) patients and found no differences in implant migration and objectively measured function between the two groups. However, there were kinematic differences and differences in patient-reported outcome measures (PROMs). These findings suggest that improving the functional satisfaction of TKA requires restoration of kinematics in early flexion and management of patient's pain and expectations.
JOURNAL OF ARTHROPLASTY
(2022)
Article
Biotechnology & Applied Microbiology
Zhi-Wei Wang, Liang Wen, Yi-Chao Luan, De-Si Ma, Xiang Dong, Cheng-Kung Cheng, Tie-Bing Qu
Summary: Kinematically aligned total knee replacements are better at restoring physiological kinematics compared to mechanical alignment, but an inclined joint line does not completely prevent paradoxical anterior translation of the femoral condyles, only reducing its peak value slightly.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2021)
Article
Orthopedics
Masato Kiyohara, Satoshi Hamai, Hirotaka Gondo, Hidehiko Higaki, Satoru Ikebe, Ken Okazaki, Yasuharu Nakashima
Summary: This study investigated the kinematic changes during squatting before and after BCS-TKA surgery. The results showed that both preoperative skeletal kinematics and surgical techniques affected the skeletal kinematics of the replaced knee, with a total component rotational mismatch angle greater than 5 degrees significantly decreasing postoperative total knee rotation during squatting.
BMC MUSCULOSKELETAL DISORDERS
(2021)
Article
Health Care Sciences & Services
Guenther Maderbacher, Armin Keshmiri, Hans Robert Springorum, Andreas Moesenbacher, Joachim Grifka, Clemens Baier
Summary: The kinematic patterns of knees after TKA differ from those of healthy knees. It is hypothesized that these changes lead to significant shifts in the positions of the medial and lateral epicondyles and the insertion sites of the collateral ligaments. However, these alterations violate the law of Burmester, which states a close relationship between the ligaments and the articular surfaces.
JOURNAL OF PERSONALIZED MEDICINE
(2023)
Article
Multidisciplinary Sciences
Kenichi Kono, Hiroshi Inui, Tetsuya Tomita, Takaharu Yamazaki, Shoji Konda, Shuji Taketomi, Sakae Tanaka, Darryl D. D'Lima
Summary: The study analyzed the effects of BCR-TKA on knee kinematics and cruciate ligament forces, finding significant changes in knee kinematics postoperatively that correlated with changes in cruciate ligament forces.
SCIENTIFIC REPORTS
(2021)
Article
Orthopedics
Le-Shu Zhang, Jin-Cheng Zhang, Hang Zhou, Qiang Zhang, Xiang-Yang Chen, Shuo Feng
Summary: This study investigated the effects of different landmarks on tibial rotational alignment and the influence of gender differences. Results showed significant differences between male and female patients, with Akagi line for females and MSPT for males yielding the least deviation.
JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH
(2022)
Article
Orthopedics
Raymond Puijk, Rachid Rassir, Inger N. Sierevelt, Diederik A. Vergroesen, Tjitte de Jong, Peter A. Nolte
Summary: This study evaluated the survival, radiographic, and functional outcomes of the uncemented meniscal bearing cruciate-retaining LCS total knee system. The results showed good results in terms of survival and functional outcomes after a long-term follow-up period.
JOURNAL OF ARTHROPLASTY
(2022)
Article
Orthopedics
Teruya Ishibashi, Tetsuya Tomita, Takaharu Yamazaki, Shigeyoshi Tsuji, Hideki Yoshikawa, Kazuomi Sugamoto
Summary: This study evaluated the kinematic differences between second-generation bicruciate stabilized (BCS) total knee arthroplasty (TKA) and posterior stabilized (PS) TKA during deep knee flexion. It was found that BCS showed greater external rotation and anterior postcam engagement, which were likely due to variations in articular surface geometry.
JOURNAL OF ORTHOPAEDIC RESEARCH
(2021)
Article
Orthopedics
Teruya Ishibashi, Takaharu Yamazaki, Shoji Konda, Masashi Tamaki, Kazuomi Sugamoto, Tetsuya Tomita
Summary: This study compared the in vivo kinematics and postoperative patient-reported outcomes of bicruciate stabilized and cruciate retaining total knee arthroplasty with the same anatomical surface geometry. The results showed different kinematics patterns during squatting between the two surgeries, but no significant differences in postoperative Knee Society Scores.
JOURNAL OF ORTHOPAEDIC RESEARCH
(2022)
Article
Orthopedics
Junya Itou, Umito Kuwashima, Masafumi Itoh, Ken Okazaki
Summary: The anterior prominence of the femoral implant is influenced by the implant design when the anterior reference method is used. Journey II model shows lower prominences compared to other models with the anterior reference method, and the anterior reference method results in significantly less prominence compared with the posterior reference method.
BMC MUSCULOSKELETAL DISORDERS
(2021)
Article
Orthopedics
Naoto Fukutani, Hirotaka Iijima, Takahiko Fukumoto, Daisuke Uritani, Eishi Kaneda, Kazuo Ota, Tomoki Aoyama, Tadao Tsuboyama, Shuichi Matsuda
Article
Engineering, Biomedical
Takayoshi Shimizu, Shunsuke Fujibayashi, Seiji Yamaguchi, Koji Yamamoto, Bungo Otsuki, Mitsuru Takemoto, Masako Tsukanaka, Takashi Kizuki, Tomiharu Matsushita, Tadashi Kokubo, Shuichi Matsuda
ACTA BIOMATERIALIA
(2016)
Article
Orthopedics
Kotaro R. Shibata, Shuichi Matsuda, Marc R. Safran
KNEE SURGERY SPORTS TRAUMATOLOGY ARTHROSCOPY
(2017)
Article
Surgery
Ryosuke Ikeguchi, Ryosuke Kakinoki, Souichi Ohta, Hiroki Oda, Hirofumi Yurie, Yukitoshi Kaizawa, Hiroto Mitsui, Tomoki Aoyama, Junya Toguchida, Shuichi Matsuda
Article
Rheumatology
Takahiro Iwata, Hiromu Ito, Moritoshi Furu, Masahiro Ishikawa, Masayuki Azukizawa, Hiroyuki Yoshitomi, Takayuki Fujii, Haruhiko Akiyama, Shuichi Matsuda
MODERN RHEUMATOLOGY
(2017)
Article
Clinical Neurology
Hiroaki Kimura, Shunsuke Fujibayashi, Bungo Otsuki, Yoshimitsu Takahashi, Takeo Nakayama, Shuichi Matsuda
Article
Clinical Neurology
Shimei Tanida, Shunsuke Fujibayashi, Bungo Otsuki, Kazutaka Masamoto, Yoshimitsu Takahashi, Takeo Nakayama, Shuichi Matsuda
Article
Orthopedics
Shinichiro Nakamura, Hiromu Ito, Kenji Nakamura, Shinichi Kuriyama, Moritoshi Furu, Shuichi Matsuda
JOURNAL OF ARTHROPLASTY
(2017)
Article
Engineering, Biomedical
Yoshihisa Tanaka, Shinichiro Nakamura, Shinichi Kuriyama, Kohei Nishitani, Hiromu Ito, Moritoshi Furu, Mutsumi Watanabe, Shuichi Matsuda
CLINICAL BIOMECHANICS
(2018)
Article
Orthopedics
Shinichiro Nakamura, Shinichi Kuriyama, Kohei Nishitani, Hiromu Ito, Koichi Murata, Shuichi Matsuda
JOURNAL OF ARTHROPLASTY
(2018)
Article
Engineering, Biomedical
Mutsumi Watanabe, Shinichi Kuriyama, Shinichiro Nakamura, Kohei Nishitani, Yoshihisa Tanaka, Kazuya Sekiguchi, Hiromu Ito, Shuichi Matsuda
CLINICAL BIOMECHANICS
(2019)
Article
Orthopedics
Young Dong Song, Shinichiro Nakamura, Shinichi Kuriyama, Kohei Nishitani, Yugo Morita, Yusuke Yamawaki, Takahiro Maeda, Sayako Sakai, Shuichi Matsuda
Summary: This study used a musculoskeletal computer model to simulate knee kinematics and kinetics between single-radius and multi-radius models. The results showed that the multi-radius model exhibited paradoxical anterior translation during squatting, while the single-radius model had a smaller anterior translation. During gait activity, the single-radius model was positioned more posteriorly than the multi-radius model. These findings suggest that changes in medial collateral ligament force can influence anterior sliding of the femur, and that the single-radius design is a reasonable choice for preventing mid-flexion instability.
Article
Engineering, Biomedical
Shinichiro Nakamura, Yoshihisa Tanaka, Shinichi Kuriyama, Kohei Nishitani, Hiromu Ito, Moritoshi Furu, Shuichi Matsuda
CLINICAL BIOMECHANICS
(2017)
Article
Engineering, Biomedical
Mitchel A. Magrini, Rashelle Hoffman, Taylor Barnett, Jennifer Bruursema, Jacob Siedlik
Summary: This study aimed to assess the effect of a multicomponent rehabilitation protocol on functional outcomes in a post-acute care facility. The results showed that the protocol was able to improve clinical mobility and balance outcomes, such as gait speed, balance scores, and sit-to-stand velocity, in medically complex older patients.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
K. Doslikova, N. D. Reeves, C. N. Maganaris, V. Baltzopoulos, S. M. P. Verschueren, F. P. Luyten, R. K. Jones, D. T. Felson, M. J. Callaghan
Summary: This study aimed to examine the effect of a sleeve knee brace on knee biomechanics during stair negotiation in patellofemoral joint osteoarthritis patients. The findings showed that the knee brace significantly reduced the maximal flexion angle, adduction angle, sagittal and frontal range of motion, and sagittal peak extension moment during stair ascent. During stair descent, the knee brace significantly reduced the maximal flexion angle and total sagittal range of motion compared to control.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
Savitha Subramaniam, Shuaijie Wang, Tanvi Bhatt
Summary: This study investigates the dance movement kinematics of people with chronic stroke under different types of assistance, including no assistance, safety harness assistance, and contact guard assistance with gait belt. The results show that there is a decrease in joint angle excursions in the no assistance condition compared to the safety harness assistance and contact guard assistance conditions for all song paces. The safety harness and contact guard assistance conditions have similar levels of joint angle excursions, except for higher hip (slow and fast pace) and ankle (medium pace) joint angle excursions in the contact guard assistance condition compared to the safety harness assistance condition.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
Richa Gupta, Lauren Judkins, Chet S. Friday, Joseph B. Ulsh, Stephen J. Kovach III, Samir Mehta, Charles Tomonto, Guha Manogharan, Michael W. Hast
Summary: The study compared novel additively manufactured rib implants with a clinically used Control implant, finding that the novel implants had better construct stiffness and rotational performance than the control group, with all implants failing via bone fracture in the end.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
Matteo Cioni, Antonino Casabona, Rosario Ferlito, Mariangela Pisasale, Domenico Marco Romeo, Giulia Messina, Maria Stella Valle
Summary: The study aimed to investigate the temporal changes of electromyographic activity in lower limb muscles during walking after injecting botulinum toxin A into the calf muscles of children with spastic cerebral palsy. The results showed that botulinum toxin A had a significant effect on electromyographic activity, with the most noticeable changes occurring between 4 and 8 weeks post-injection and full recovery at 16 weeks. Significant changes in muscle co-contraction were also observed on the treadmill.
CLINICAL BIOMECHANICS
(2024)
Review
Engineering, Biomedical
Vitor La Banca, Joao Artur Bonadiman, Felipe Fernandes Gonzalez, Jonathan Adam Gustafson, Gustavo Leporace, Grant E. Garrigues, Jorge Chahla, Leonardo Metsavaht
Summary: Background: Latissimus dorsi transfer is a surgical procedure that can be used for treating posterosuperior rotator cuff tears. However, there is still no consensus on the biomechanical changes resulting from latissimus dorsi transfer.
Methods: We performed a systematic review of the literature on 3D motion analysis studies evaluating the effects of latissimus dorsi transfer on shoulder kinematics.
Findings: Our meta-analysis revealed a significant improvement in forward flexion and abduction following latissimus dorsi transfer. When comparing the latissimus transferred shoulder with an uninjured contralateral side, the meta-analysis found no significant difference in flexion range of motion, while abduction and external rotation were significantly higher in the uninjured shoulders.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
Judith Bleuel, Igor Komnik, Iris Mittendorfer, Bjoern Michel, Steffen Willwacher
Summary: This study assessed the walking mechanics of patients with total knee arthroplasty during downhill hiking and compared them to a healthy control group. It was found that patients had lower knee flexion angles and weaker muscle strength compared to the controls. The muscle balance between quadriceps and hamstring muscles was related to the persistence of a stiff knee gait pattern after knee arthroplasty.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
Sangsoo Park, Hyun-Joon Yoo, Jin Su Jang, Sang-Heon Lee
Summary: This study utilizes a neural network to measure spine curvature, providing a real-time, automated, and non-contact method for measuring spine posture. The trained model demonstrates low error rates and holds potential for practical applications.
CLINICAL BIOMECHANICS
(2024)
Article
Engineering, Biomedical
Victor-Estuardo Leon-Roman, David Garcia-Mato, Irene Isabel Lopez-Torres, Javier Vaquero-Martin, Jose Antonio Calvo-Haro, Javier Pascau, Pablo Sanz-Ruiz
Summary: This study compared the tibial rotation between rotating hinge knee prosthesis and constrained condylar knee prosthesis in a clinical setting. The results showed that the postoperative Knee Injury and Osteoarthritis Outcome Score was significantly higher in the rotating hinge knee prosthesis group compared to the constrained condylar knee group, and the degrees of tibial rotation measured by inertial sensors were also significantly higher in the rotating hinge knee prosthesis group.
CLINICAL BIOMECHANICS
(2024)