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Cross-Sectional Physiological

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Cross-Sectional Physiological and Neuromuscular Profiling of Elite and Recreational University Badminton Athletes: Preliminary Benchmarks for Exercise-Based Injury Risk Stratification

Background and Purpose: Badminton imposes considerable cardiovascular and musculoskeletal stress. Physiological profiling can identify modifiable injury risk factors and inform exercise-based prevention and rehabilitation. This study compared cardiovascular recovery, neuromuscular activation, and limb strength between elite and recreational male university badminton players to derive preliminary physiological benchmarks for injury risk stratification and exercise rehabilitation guidance.

bioRxiv 1d ago

Quantifying thermal-signature equivalence in infrared breast thermography using a modified Pennes bioheat model

arXiv:2605.05713v2 Announce Type: replace Abstract: Infrared breast thermography provides a noninvasive measurement of skin-surface temperature, but the relation between surface thermal patterns and intratumoral physiology is limited by heat diffusion and thermal screening. Here we study a steady-state modified Pennes bioheat model in a two-dimensional multilayer breast-tissue cross-section containing a finite-sized tumor with spatially heterogeneous perfusion. We compare four idealized...

arXiv Physics 8d ago

Whole-genome duplication shaped cell-type evolution in the vertebrate brain

Abstract The complex brains of vertebrates have more cell types than those of their closest relatives. Whole-genome duplications (WGDs) occurred during early vertebrate evolution1, but it is unclear whether the duplicated genes (ohnologues) facilitated cell-type evolution. Here using brain single-cell transcriptomes from five chordates—human2, mouse3, lizard4, lamprey5 and amphioxus—we report that many cell-type families with conserved core transcription factors in vertebrates do not show...

Nature 19h ago

Vitality capacity preservation through lifelong aerobic exercise: a pathway to healthy ageing

Background The distinction between healthy and pathological ageing has led to the concept of vitality capacity (VC), which can be understood as the body physiological reserve. An individual VC can be estimated using 12 biomarkers spread across 3 domains: immune and stress response, energy and metabolism and neuromuscular function. Vitality capacity may be preserved by lifelong physical activity.

bioRxiv 6d ago

Overlooked DNA structures help organize the genome

Overlooked DNA structures help organize the genome Lisa Lock Scientific Editor Robert Egan Associate Editor Northwestern Medicine scientists have discovered that little-studied DNA structures play a central role in organizing the human genome and controlling gene activity, according to a new study published in the Proceedings of the National Academy of Sciences. The study revealed that G-quadruplexes (G4s)—four-stranded DNA structures—directly interact with a key genome-organizing protein...

Phys.org 5d ago