Results 61 to 70 of about 989,143 (391)

Design and Manufacture of an Attachment Fitting for Transtibial Prosthetic Sockets Using Selective Laser Sintering [PDF]

, 2004
The focus of this work is using selective laser sintering to manufacture transtibial prosthetics sockets with compliant features to relieve contact pressure in sensitive areas.
Burhan, Danny, Crawford, Richard
core   +1 more source

Weight-Bearing Asymmetry in Individuals Post-Hip Fracture During the Sit to Stand Task

, 2015
Background: Individuals post hip fracture decrease force on the involved limb during sit to stand tasks, creating an asymmetry in vertical ground reaction force. Joint specific differences that underlie asymmetry of the vertical ground reaction force are
Hilton, Tiffany N., Houck, Jeff R., Kneiss, Janet A., Tome, Josh   +3 more
core   +1 more source

Implementing Regularized Predictive Control for Simultaneous Real-Time Footstep and Ground Reaction Force Optimization

IEEE/RJS International Conference on Intelligent RObots and Systems, 2019
This work presents a successful implementation of a nonlinear optimization-based Regularized Predictive Control (RPC) for legged locomotion on the MIT Cheetah 3 robot platform.
Gerardo Bledt, Sangbae Kim
semanticscholar   +1 more source

Experimental estimation of energy absorption during heel strike in human barefoot walking. [PDF]

PLoS ONE, 2018
Metabolic energy expenditure during human gait is poorly understood. Mechanical energy loss during heel strike contributes to this energy expenditure. Previous work has estimated the energy absorption during heel strike as 0.8 J using an effective foot ...
Patricia M Baines, A L Schwab, A J van Soest   +2 more
doaj   +1 more source

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

Assessing Postural Stability Via the Correlation Patterns of Vertical Ground Reaction Force Components [PDF]

, 2016
Background Many methods have been proposed to assess the stability of human postural balance by using a force plate. While most of these approaches characterize postural stability by extracting features from the trajectory of the center of pressure (COP),
Guo, Lan-Yuen, Hong, Chih-Yuan, Nagurka, Mark L., Song, Rong, Sung, Jia-Li, Yen, Chen-Wen   +5 more
core   +2 more sources

Time after time – circadian clocks through the lens of oscillator theory

FEBS Letters, EarlyView.
Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo, Carolin Ector, Hanspeter Herzel   +2 more
wiley   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

FEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Analysis of Vertical Ground Reaction Force Variables during a Sit to Stand Task in Participants Recovering from a Hip Fracture

, 2011
Background: A Sit to Stand task following a hip fracture may be achieved through compensations (e.g. bilateral arms and uninvolved lower extremity), not restoration of movement strategies of the involved lower extremity.
Bukata, Susan V., Houck, Jeff R., Kneiss, Janet, Puzas, J. Edward   +3 more
core   +1 more source

Estimating Ground Reaction Forces From Inertial Sensors

IEEE Transactions on Biomedical Engineering
Accepted for publication at IEEE Transactions on Biomedical ...
B. Song, M. Paolieri, H. E. Stewart, L. Golubchik, J. L. McNitt-Gray, V. Misra, D. Shah   +6 more
openaire   +3 more sources