Search Results - "Naoto YAMAMURA"

Influence of intramuscular fiber orientation on the Achilles tendon curvature using three-dimensional finite element modeling of contracting skeletal muscle by Kinugasa, Ryuta, Yamamura, Naoto, Sinha, Shantanu, Takagi, Shu

“…Abstract Tendon curvature plays a key role in mechanical gain (amplifying the joint excursion relative to fiber length change) during joint motion, but the…”
Get full text

Biomechanical Gain in Joint Excursion from the Curvature of the Achilles Tendon: Role of the Geometrical Arrangement of Inflection Point, Center of Rotation, and Calcaneus by Kinugasa, Ryuta, Yamamura, Naoto, Takagi, Shu, Sinha, Shantanu

“…The dorsal movement of the Achilles tendon during ankle rotation is restricted by anatomical obstructions. Previously, we demonstrated that the anatomical…”
Get full text

A Multi-modality Approach Towards Elucidation of the Mechanism for Human Achilles Tendon Bending During Passive Ankle Rotation by Kinugasa, Ryuta, Taniguchi, Keigo, Yamamura, Naoto, Fujimiya, Mineko, Katayose, Masaki, Takagi, Shu, Edgerton, V. Reggie, Sinha, Shantanu

“…The in vitro unconstrained Achilles tendon is nearly straight, while in vivo experiments reveal that the proximal region of the Achilles tendon, adjacent to…”
Get full text

Effect of tendon stiffness on the generated force at the Achilles tendon - 3D finite element simulation of a human triceps surae muscle during isometric contraction by Naoto YAMAMURA, Jose Luis ALVES, Toshiaki ODA, Ryuta KINUGASA, Shu TAKAGI

“…Skeletal muscles develop forces as a result of muscle activation for human locomotion. To know the force generating ability of skeletal muscles is important to…”
Get full text

Anatomical Geometry and Thickness of Aponeuroses in Human Cadaver Triceps Surae Muscles by Oda, Toshiaki, Hisano, Takayuki, Hay, Dean C., Kinugasa, Ryuta, Yamamura, Naoto, Komatsu, Toshihiko, Yokota, Hideo, Takagi, Shu

“…We determined the anatomical geometry and thicknesses distribution of the triceps surae aponeuroses from anatomical observation of a human cadaver. Geometry of…”
Get full text

Monte Carlo simulation of photon transport in a scattering-dominated medium with a refractive index gradient for acoustic light-guiding by Yamamura, Naoto, Okada, Eiji, Nakagawa, Keiichi, Takagi, Shu

“…Acoustic light waveguides use a technology that employs acoustic waves to create pressure-dependent refractive index distribution and guide light deep into…”
Get full text

Development of Multi-scale Musculo-Skeletal Simulator by Yamamura, Naoto, Takagi, Shu, Nomura, Taishin

“…This paper presents preliminary status of our project for developing a multi-scale simulation of musculo-skeletal system for providing a useful tool in the…”
Get full text