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Acute Effects of Fast vs. Slow Bench Press Repetitions with Equal Time Under Tension on Velocity, sEMG Activity, and Applied Force in the Bench Press Throw.
J Funct Morphol Kinesiol
December 2024
School of Physical Education and Sport Science, National and Kapodistrian University of Athens, 172 37 Athens, Greece.
The tempo of resistance exercises is known to influence performance outcomes, yet its specific effects on post-activation performance enhancement (PAPE) remain unclear. This study aimed to investigate the effects of fast versus slow repetitions at a load of 70% of one-repetition maximum (1-RM) in the bench press exercise, focusing on velocity, surface electromyographic (sEMG) activity, and applied force while equating time under tension on bench press throw performance. Eleven men (age: 23.
View Article and Find Full Text PDFGradient Design with Low-tortuosity Overcoming Kinetic Limitations in High-Loading Solid-State Cathodes.
Angew Chem Int Ed Engl
January 2025
UT Austin: The University of Texas at Austin, Materials Science and Engineering, 1 University Station C2200, 78712, Austin, UNITED STATES OF AMERICA.
The extensive commercialization of practical solid-state batteries (SSBs) necessitates the development of high-loading solid-state cathodes with fast charging capability. However, electrochemical kinetics are severely delayed in thick cathodes due to tortuous ion transport pathways and slow solid-solid ion diffusion, which limit the achievable capacity of SSBs at high current densities. In this work, we propose a conductivity gradient cathode with low-tortuosity to enable facile ion transport and counterbalance ion concentration gradient, thereby overcoming the kinetic limitations and achieving fast charging capabilities in thick cathodes.
View Article and Find Full Text PDFElectrochemical and spectroelectrochemical investigation of Ru(por)(NO)(OAr) derivatives (por = octaethylporphyrin, tetraanisolylporphyrin; Ar = Ph, CH-2-NHC(O)CF; CH-2,6-(NHC(O)CF)).
Dalton Trans
January 2025
Department of Chemistry, Southern Illinois University Edwardsville, Edwardsville, IL, 62025-1652 USA.
The electrochemistry and spectroelectrochemistry of Ru(porphyrin)(NO)(phenoxide) complexes Ru(por)(NO)(OPh) (por = OEP, 1a; TAP, 2a; Ph = CH), Ru(por)(NO)(OAr) (por = OEP, 1b; TAP, 2b; OAr = -OCH-(2-NHC(O)CF)), Ru(por)(NO)(OAr) (por = OEP, 1c; TAP, 2c; OAr = OCH-(2,6-NHC(O)CF); OEP = octaethylporphyrinato dianion, TAP = tetraanisolylporphyrinato dianion) indicate that initial one-electron oxidation results in structure-dependent net reactivity at the phenoxide ligand. Oxidation of 1a generates 1a+, which undergoes a relatively slow rate-limiting second-order follow-up reaction. In contrast, 2a undergoes a diffusion-limited follow-up reaction after oxidation.
View Article and Find Full Text PDFTreatment of Primary Hypothyroidism by Slow-Release Liothyronine Monotherapy.
Endocr Metab Immune Disord Drug Targets
January 2025
Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Background: Combination therapy with levothyroxine (L-T4) and slow-release T3 (SRT3) in the treatment of hypothyroidism results in a normal triiodothyronine/thyroxine (T3/T4) ratio above that of L-T4 monotherapy. No clinical study has been reported with SRT3 monotherapy for hypothyroidism.
Methods: This study was conducted in two parts.
Inspiratory effort and respiratory muscle activation during different breathing conditions in patients with weaning difficulties: An exploratory study.
Aust Crit Care
January 2025
KU Leuven, Department of Rehabilitation Sciences, Research Group for Rehabilitation in Internal Disorders, B-3000, Leuven, Belgium; University Hospitals Leuven, Department of Intensive Care Medicine, Leuven, Belgium.
Background: Recent studies suggest that fast and deep inspirations against either low or high external loads may provide patients with weaning difficulties with a training stimulus during inspiratory muscle training (IMT). However, the relationship between external IMT load, reflected by changes in airway pressure swings (ΔPaw), and total inspiratory effort, measured by oesophageal pressure swings (ΔPes), remains unexplored. Additionally, the association between ΔPes, ΔPaw, and inspiratory muscle activations remains unclear.
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