PortaMon

Background and Purpose Chronic Obstructive Pulmonary Disease (COPD) is a pulmonary condition characterized by airflow obstruction, which progresses with systemic alterations such as changes in muscle composition and metabolism, anticipating the …

Exercise-induced muscle damage (EIMD) disrupts muscle structure and function, impairing recovery and performance. Near-infrared spectroscopy (NIRS) offers a non-invasive method to assess muscle oxygenation, yet its sensitivity to EIMD-related changes …

To determine whether ischaemic preconditioning (IPC) administered prior to an altitude training camp could enhance aerobic fitness and endurance performance in athletes. In a randomized controlled trial, 19 competitive (Tiers 3–5) cross-country (XC) …

Neuromuscular electrical stimulation (NMES) has been shown to provide health benefits similar to those of exercise. The aim of this study was to quantify the acute physiological effects of multiple muscle stimulation on the whole body and individual …

Introduction: Diminished macrovascular vasodilatory function has been reported following one blood flow restriction (BFR) walking bout. The primary aim was to investigate the potential effect that walking exercise (control, BFR) and cool-down …

Platzer, H-P, Köck, A, Schobersberger, W, and Dünnwald, T. Ischemic preconditioning does not improve climbing specific performance in elite athletes. J Strength Cond Res 40(1): e69–e75, 2026—The aim of the present investigation was to analyze the …

A decline in skeletal muscle function is a key factor contributing to reduced functional capacity and quality of life with aging. While the mechanisms are multifactorial, impairments in mitochondrial and microvascular function are believed to play a …

Background Low muscle oxidative capacity is an extrapulmonary manifestation of chronic obstructive pulmonary disease (COPD) with unclear aetiology. We sought to characterize locomotor muscle oxidative capacity in never smokers and ever smokers with …

Systemic oxygen consumption (V_ O2) has traditionally been the gold standard for assessing aerobic metabolic demand. However, under conditions that alter normal blood flow or ventilation, such as blood flow restriction (BFR), V_ O2 may no longer reflect …

Assessment of near-infrared spectroscopy (NIRS)-derived muscle oxidative capacity relies on analysing deoxygenation slopes from NIRS signal versus time curves during brief arterial occlusions, which reflect the rate of post-exercise recovery of …

Purpose Repeated sprint training in hypoxia (RSH) performed with voluntary hypoventilation at low lung volumes (RSH-VHL) has been proposed as an alternative to RSH. Recently, repeated sprint training combined with end-expiratory breath hold until the …

We utilized non-invasive methods and novel computational approaches to examine the effects of acutely varying fractional inspired O2 (FIO2) on convective and diffusive steps of O2 transport and muscle tissue (de)oxygenation during incremental cycling …

Grip strength is a simple and inexpensive clinical test. However, by limiting measurement to the force of an isolated contraction, we are missing functionally, and mechanistically relevant information. Skeletal muscle ATP consumption can increase …

While local anesthesia remains standard for muscle biopsies, it often inadequately controls procedural pain. General and spinal anesthesia carry risks in neuromuscular disorders. Ultrasound-guided nerve block may reduce the risk of anesthetic …

Congenital myopathies (CM) are a group of rare hereditary muscle diseases defined by characteristic abnormalities on muscle biopsy. The most prominent clinical features are generalized muscle weakness often pronounced axially, variable …

This observational cross-sectional study investigated the sensitivity of the Segmental Assessment of Trunk Control (SATCo) to detect differences in neutral vertical (NV) head and trunk control between children with neuromuscular disorders (NMD) and …

Training-induced increment in maximal oxygen consumption (V̇O₂max) derives from central and peripheral cardiovascular adaptations in healthy individuals. Whether such a response is altered in Parkinson’s disease (PD), a condition that may cause …

Introduction Near-infrared spectroscopy (NIRS) offers valuable insights into exercise performance and enables the investigation of cerebral and muscular hemodynamic impairments associated with aging. This study aimed to examine cerebral and muscular …

Purpose Strength-related exerkines may be promoted in response to exercise imposing high mechanical stress on the skeletal muscles. For a constant velocity, the inclination of the slope during downhill exercise influences the total mechanical load. …

Post-exercise muscle oxygen consumption rate (mVO2) may contribute to understanding responses to and recovery from exercise. Purpose: To measure post-exercise mVO2 of the vastus lateralis (VL) muscle after various exercise intensities using …