Results 161 to 170 of about 39,736 (237)

Nonlinear Dynamics of a Passive Walker: Bifurcation and Stability Insights With Spring and Damper Mechanics

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This study explores the nonlinear dynamics associated with a passive dynamic walker (PDW), focusing on the bifurcation and stability insights derived from spring and damper mechanics. PDWs, which rely on gravity for stable locomotion without active control, exhibit a rich spectrum of behaviors, from periodic to chaotic motion.
Zhongqu Xie, Xue Gong, Qidi Fu, Pierluigi Arpenti, Shichao Zhou, Anhua You, Xiaolong Yang, Lingkun Chen, Yulin Wang   +8 more
wiley   +1 more source

Hallux Valgus and Associated Foot Pathology in Ancient Egyptian Mummies: A Qualitative and Quantitative Computed Tomography Study

International Journal of Osteoarchaeology, EarlyView.
ABSTRACT The aim of this study was to gain information on the prevalence and manifestation of hallux valgus and associated foot pathology in ancient Egyptian mummies. Additionally, we investigated possible indicators of postmortem deformation of the feet during mummification. For this study, 34 mummies that had undergone whole body computed tomography (
Stephanie Panzer, Peter Augat, Klaus Hergan, Alice Paladin, Stephanie Zesch, Wilfried Rosendahl, Randall C. Thompson, Albert R. Zink   +7 more
wiley   +1 more source

Cornea biomechanics and biometric evaluations in immunoglobulin G4-related ophthalmic disease. [PDF]

PLoS One
Lai KKH, Aljufairi FMAA, Sebastian JU, Liao X, Chen W, Hu Z, Wei Y, Jia R, Wah C, Cheng ACO, Chin JKY, Kuk AK, Kwong CH, Yip NKF, Lam W, Li KKW, Yang N, Yip WWK, Young AL, Chan E, Ko CKL, Chan CKM, Yuen HKL, Chen LJ, Tham CCY, Pang CP, Chong KKL.   +26 more
europepmc   +1 more source

The niche variation hypothesis predicts hunting returns across human cultures

Oikos, EarlyView.
The niche variation hypothesis (NVH) proposes that a broader population niche arises from greater individual specialization. Despite decades of empirical testing, research remains constrained to non‐human foragers, and the generality of NVH may extend beyond wildlife. The analysis of > 8000 hunting records from 12 human societies across four continents
Raul Costa‐Pereira
wiley   +1 more source

Comparison of stress shielding between endobutton and screw fixation in the latarjet procedure using three-dimensional finite element analysis. [PDF]

J Orthop Surg Res
Unsal SS, Yildirim T, Tecirli A.
europepmc   +1 more source

Muscle fat infiltration and its relation with pain intensity, disability, and cervical curvature in individuals with nonspecific neck pain: A systematic review study

PM&R, EarlyView.
Abstract Objective To review and analyze the association between muscle fat infiltration (MFI) and pain intensity, disability, and cervical alignment in individuals with nonspecific neck pain. Type Systematic review study. Literature Survey Nonspecific neck pain is associated with muscular changes, including fatty infiltration, which may contribute to ...
Hardianty Andi Munawarah Abduh, Hironobu Kuruma, Takuya Otsuka, Aufa Miftah Firdausy   +3 more
wiley   +1 more source

Advances in glaucoma biomechanics from 2000 to 2024: a bibliometric study and visualization analysis. [PDF]

Front Neurosci
Wen T, Fu X, Evandrew VY, Yu X, Wang M, Chen J, Tang L.   +6 more
europepmc   +1 more source

Sono‐Vasomics With Super‐Resolution Contrast‐Enhanced Ultrasound (SR‐CEUS) for Characterization of Focal Liver Lesions: A Case Report

Portal Hypertension &Cirrhosis, EarlyView.
ABSTRACT Accurate differentiation between benign and malignant focal liver lesions (FLLs) remains a major diagnostic challenge. Vasomics, an emerging discipline, classifies vascular phenotypes into anatomical, biomechanical, biochemical, pathophysiological, and composite categories. Sono‐Vasomics, the ultrasound‐based subset, leverages super‐resolution
Yijie Qiu, Ying Wang, Rui Cheng, Ruiling He, Yi Dong, Christoph F. Dietrich   +5 more
wiley   +1 more source

Time-zero stability of uncemented standard versus intermediate revision stems after extended trochanteric osteotomy (ETO): a biomechanical study. [PDF]

Arch Orthop Trauma Surg
Hax J, Zderic I, Gueorguiev B, Kalbas Y, Leunig M, Pape HC, Rüdiger HA.   +6 more
europepmc   +1 more source

Modeling the lung‒brain axis in critical illness: Multifactorial crosstalk through organoids and organ‐on‐a‐chip system

VIEW, EarlyView.
Patients in intensive care units often experience lung injuries, complicated by brain problems. Advanced laboratory tools, organoids, and organs‐on‐chips facilitated the study of multiorgan interactions, help us understand the communication between the lungs and brain.
Wanyi Zhang, Ting Wang, Mengying Yao, Longxiang Su, Lixin Xie, Pan Pan   +5 more
wiley   +1 more source