Within a month after colchicine application to the sciatic nerve of a newborn rat, deviation from the normal development occurred in contractile and histochemical properties of fast (extensor digitorum longus) and slow (soleus) muscles. The data obtained revealed the importance of neurogenic agents of neurotropic control transported from pericarions of motoneurons for differentiating skeletal muscle fibers.
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J Appl Physiol (1985)
January 2025
Experimental Biomechanics Group, Institute of Structural Mechanics and Dynamics in Aerospace Engineering, Faculty of Aerospace Engineering and Geodesy, University of Stuttgart, Germany.
Characterizing individual muscle behavior is crucial for understanding joint function and adaptations to exercise, diseases, or aging. Shear wave elastography (SWE) is a promising tool for measuring the intrinsic material properties of muscle. This study assessed the passive and active shear modulus of the triceps surae muscle group in 14 volunteers (7 females, 25.
View Article and Find Full Text PDFJ Sport Health Sci
January 2025
School of Medical and Health Sciences, Edith Cowan University, Joondalup WA 6027, Australia.
Background: While muscle contractility increases with muscle temperature, there is no consensus on the best warm-up protocol to use before resistance training or sports exercise due to the range of possible warm-up and testing combinations available. Therefore, the objective of the current study was to determine the effects of different warm-up types (active, exercise-based vs. passive) on muscle function tested using different activation methods (voluntary vs.
View Article and Find Full Text PDFCurr Issues Mol Biol
January 2025
Department of Precision and Regenerative Medicine, School of Medicine, University of Bari Aldo Moro, P.za G. Cesare 11, 70100 Bari, Italy.
Sensory processing abnormalities have been noted since the first clinical description of autism in 1940. However, it was not until the release of the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) in 2013 that sensory challenges were considered as symptoms of autism spectrum disorder (ASD). Multisensory processing is of paramount importance in building a perceptual and cognitive representation of reality.
View Article and Find Full Text PDFJ Funct Morphol Kinesiol
January 2025
Faculty of Sport and Physical Education, University of Belgrade, 11000 Belgrade, Serbia.
Foam rolling is widespread and deeply rooted in exercise practice. The optimal duration and role of this treatment still lack scientific consensus. A relatively novel foam rolling treatment that combines vibration during application targets different muscle characteristics that are not well understood.
View Article and Find Full Text PDFJ Funct Morphol Kinesiol
January 2025
Faculty of Sport and Physical Education, University in Belgrade, 11000 Belgrade, Serbia.
Background/objectives: The correlation of handgrip strength (HGS) and morphological characteristics with Big Five personality traits is well documented. However, it is unclear whether these relationships also exist in highly trained and specialized populations, such as tactical athletes, and whether there are specific differences compared to the general population. This study aimed to explore the interplay of handgrip neuromuscular, morphological, and psychological characteristics in tactical athletes and the general population of both genders.
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