Results 1 to 10 of about 15,230 (164)

Inter-individual variability in the relationship between propulsion force and walking speed in subacute stroke [PDF]

Scientific Reports
Walking speed is primarily driven by the propulsion force generated during the late stance phase, but the translation of propulsion force to walking speed may differ across individuals.
Wataru Kawakami, Yasushi Asakura, Yuta Okuda, Yutaka Kikuchi, Tomomi Fujita, Ban Mihara   +5 more
doaj   +3 more sources

Intrinsic and extrinsic feedback generate similar propulsion but distinct biomechanical strategies during split-belt walking [PDF]

Frontiers in Human Neuroscience
BackgroundForward propulsion during walking is generated by different joints and biomechanical mechanisms depending on environmental and task demands.
Hamad K. Bin Shuwayyi, Hamad K. Bin Shuwayyi, William R. Reed, Chen Lin, Jonathan D. Hill, Ann M. Varghese, Ya-Yu Liang, Christopher P. Hurt, Christopher P. Hurt   +8 more
doaj   +2 more sources

Comparing the Force–Time Characteristics Between Countermovement and Assisted Countermovement Jump with Different Landing Strategies [PDF]

Muscles
Researchers comparing countermovement (CMJ) and assisted countermovement (ACMJ) jumps reported conflicting findings on the landing impact force (LIF). This was likely due to differences in the landing strategies used.
Regine Y. S. Zhou, Lachlan P. James, Danny Lum   +2 more
doaj   +2 more sources

Near Field Propulsion Forces from Nonreciprocal Media [PDF]

Physical Review Letters, 2021
Arguments based on symmetry and thermodynamics may suggest the existence of a ratchet-like lateral Casimir force between two plates at different temperatures and with broken inversion symmetry. We find that this is not sufficient, and at least one plate must be made of nonreciprocal material.
David Gelbwaser-Klimovsky, Noah Graham, Mehran Kardar, Matthias Krüger   +3 more
openaire   +5 more sources

Propulsion Mechanisms of Light‐Driven Plasmonic Colloidal Micromotors

Advanced Photonics Research, 2022
Colloidal micromotors are important candidates for a wide spectrum of applications, ranging from medicine to environmental remediation. Thus far, the propulsion force determination has been obtained from the colloidal motor motion speed and surrounding ...
Johannes Frueh, Sven Rutkowski, Tieyan Si, Meiyu Gai, Changyong Gao, Sergei I. Tverdokhlebov, Guangyu Qiu, Jean Schmitt, Qiang He, Yu-Xuan Ren, Jing Wang   +10 more
doaj   +1 more source

Impact of Holding a Badminton Racket on Spatio-Temporal and Kinetic Parameters During Manual Wheelchair Propulsion

Frontiers in Sports and Active Living, 2022
IntroductionPara badminton entered the Paralympic world for the first time with the 2021 Paralympic Games in Tokyo. The particularity of this sport lies in the handling of the wheelchair and the racket simultaneously.
Ilona Alberca, Félix Chénier, Félix Chénier, Marjolaine Astier, Marjolaine Astier, Marion Combet, Sadate Bakatchina, Florian Brassart, Jean-Marc Vallier, Didier Pradon, Bruno Watier, Arnaud Faupin   +11 more
doaj   +1 more source

Plasmonic Force Space Propulsion [PDF]

Journal of Spacecraft and Rockets, 2015
Plasmonic space propulsion uses solar light focused onto deep-subwavelength nanostructures to excite strong optical forces that accelerate and expel nanoparticle propellant. Simulations predict that light within the solar spectrum can excite asymmetric nanostructures to create plasmonic forces that will accelerate and expel nanoparticles.
Joshua L. Rovey, Paul D. Friz, Changyu Hu, Matthew S. Glascock, Xiaodong Yang   +4 more
openaire   +1 more source

Mechanisms to increase propulsive force for individuals poststroke [PDF]

Journal of NeuroEngineering and Rehabilitation, 2015
Propulsive force generation is critical to walking speed. Trialing limb angle and ankle moment are major contributors to increases in propulsive force during gait. For able-bodied individuals, trailing limb angle contributes twice as much as ankle moment to increases in propulsive force during speed modulation. The aim of this study was to quantify the
Hsiao, HaoYuan, Knarr, Brian A., Higginson, Jill S., Binder-Macleod, Stuart A.   +3 more
openaire   +3 more sources

Design and development of a filament wound composite overwrapped pressure vessel

Composites Part C: Open Access, 2020
A detailed design optimization of a composite over wrapped pressure vessel (COPV) is performed through finite element analysis (FEA) and testing. The design optimization of a type IV polymer-lined composite overwrapped pressure vessel is performed by ...
Shah Alam, Gregory R. Yandek, Richard C. Lee, Joseph M. Mabry   +3 more
doaj   +1 more source

Lateral-drag propulsion forces induced by anisotropy [PDF]

Scientific Reports, 2017
AbstractWe predict the existence of lateral drag forces near the flat surface of an absorbing slab made of an anisotropic material. The forces originate from the fluctuations of the electromagnetic field, when the anisotropy axis of the material forms a certain angle with the surface.
Nefedov, Igor S., Rubí Capaceti, José Miguel   +1 more
openaire   +5 more sources