Results 1 to 10 of about 32,619 (226)

Strength work and strength endurance Part 1 [PDF]

open access: yesФизическое воспитание и студенческий спорт, 2023
The purpose of the research is to study the possibilities of increasing the physical strength of an athlete through special exercises. An increase in endurance during physical exertion in relation to strength sports and martial arts is also separately ...
Ryabov, Sergey N., Funtikov, Georgy V.
doaj   +1 more source

Myofibril and Mitochondrial Area Changes in Type I and II Fibers Following 10 Weeks of Resistance Training in Previously Untrained Men

open access: yesFrontiers in Physiology, 2021
Resistance training increases muscle fiber hypertrophy, but the morphological adaptations that occur within muscle fibers remain largely unresolved.
Bradley A. Ruple   +17 more
doaj   +1 more source

AI-2/Lux-S Quorum Sensing of Lactobacillus plantarum SS-128 Prolongs the Shelf Life of Shrimp (Litopenaeus vannamei): From Myofibril Simulation to Practical Application

open access: yesFoods, 2022
Retarding the protein deterioration of shrimp during storage is important for maintaining its quality. Lactobacillus plantarum SS-128 (L. plantarum SS-128) is a biocontrol bacterium that can effectively maintain the fresh quality of food.
Yuan Li   +5 more
doaj   +1 more source

Bilaterally Asymmetric Helical Myofibrils in Ascidian Tadpole Larvae

open access: yesFrontiers in Cell and Developmental Biology, 2021
The locomotor system is highly bilateral at the macroscopic level. Homochirality of biological molecules is fully compatible with the bilateral body. However, whether and how single-handed cells contribute to the bilateral locomotor system is obscure ...
Koichi Matsuo   +9 more
doaj   +1 more source

Frequent Manipulation of Resistance Training Variables Promotes Myofibrillar Spacing Changes in Resistance-Trained Individuals

open access: yesFrontiers in Physiology, 2021
We sought to determine if manipulating resistance training (RT) variables differentially altered the expression of select sarcoplasmic and myofibril proteins as well as myofibrillar spacing in myofibers.
Carlton D. Fox   +14 more
doaj   +1 more source

Breakdown of Filamentous Myofibrils by the UPS–Step by Step

open access: yesBiomolecules, 2021
Protein degradation maintains cellular integrity by regulating virtually all biological processes, whereas impaired proteolysis perturbs protein quality control, and often leads to human disease.
Dina Aweida, Shenhav Cohen
doaj   +1 more source

Force per cross-sectional area from molecules to muscles: a general property of biological motors [PDF]

open access: yesRoyal Society Open Science, 2016
We propose to formally extend the notion of specific tension, i.e. force per cross-sectional area—classically used for muscles, to quantify forces in molecular motors exerting various biological functions.
Jean-Pierre Rospars   +1 more
doaj   +1 more source

Drosophila Nesprin-1 Isoforms Differentially Contribute to Muscle Function

open access: yesCells, 2021
Nesprin-1 is a large scaffold protein connecting nuclei to the actin cytoskeleton via its KASH and Calponin Homology domains, respectively. Nesprin-1 disconnection from nuclei results in altered muscle function and myonuclei mispositioning.
Alexandre Rey   +3 more
doaj   +1 more source

The role of sarcomere length non-uniformities in residual force enhancement of skeletal muscle myofibrils [PDF]

open access: yesRoyal Society Open Science, 2016
The sarcomere length non-uniformity theory (SLNT) is a widely accepted explanation for residual force enhancement (RFE). RFE is the increase in steady-state isometric force following active muscle stretching. The SLNT predicts that active stretching of a
Kaleena Johnston   +2 more
doaj   +1 more source

Structural Analysis of Mitochondria in Cardiomyocytes: Insights into Bioenergetics and Membrane Remodeling

open access: yesCurrent Issues in Molecular Biology, 2023
Mitochondria in mammalian cardiomyocytes display considerable structural heterogeneity, the significance of which is not currently understood. We use electron microscopic tomography to analyze a dataset of 68 mitochondrial subvolumes to look for ...
Raquel A. Adams   +6 more
doaj   +1 more source

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