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A Muscle Physiology-Based Framework for Quantifying Training Load in Resistance Exercises.
Sports (Basel)
January 2025
DMeM, University of Montpellier, INRAE, 34000 Montpellier, France.
Background: Objective training load (TL) indexes used in resistance training lack physiological significance. This study was aimed to provide a muscle physiology-based approach for quantifying TL in resistance exercises (REs).
Methods: Following individual torque-velocity profiling, fifteen participants (11 healthy males, stature: 178.
The Effects of Floor Isometric Trunk Extension Exercise on Muscle Thickness and Activation Vary Between Different Combinations of Duration and Repetition Number.
J Sport Rehabil
January 2025
Laboratory of Neuromechanics, Department of Physical Education and Sport Sciences, Aristotle University of Thessaloniki, Serres, Greece.
Context: Intermittent floor trunk extensions are popular exercises in group fitness programs. The aim of this study was to investigate whether fewer repetitions of longer isometric trunk extension efforts compared with more repetitions of shorter isometric contractions have different acute effects on muscle thickness and activation as well as perceived exertion.
Design: This study followed a cross-sectional design.
Gluteus medius muscle activation patterns during gait with Cerebral Palsy (CP): A hierarchical clustering analysis.
PLoS One
January 2025
Clinic for Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany.
Duchenne gait, characterized by an ipsilateral trunk lean towards the affected stance limb, compensates for weak hip abductor muscles, notably the gluteus medius (GM). This study aims to investigate how electromyographic (EMG) cluster analysis of GM contributes to a better understanding of Duchenne gait in patients with cerebral palsy (CP). We analyzed retrospective gait data from 845 patients with CP and 65 typically developed individuals.
View Article and Find Full Text PDFMasticatory and Neck Muscles' Isometric Endurance and Their Relation to Upper Limb Isometric Grip Strength in Sport Climbers-Preliminary Investigation.
Medicina (Kaunas)
November 2024
Department of Sports Medicine, Medical University of Lublin, 20-093 Lublin, Poland.
: Sport climbing's popularity has grown with its inclusion in the Olympics and increased accessibility. Understanding the relationship between hand dominance, grip strength, endurance, and the involvement of masticatory and neck muscles can provide valuable insights into the neuromuscular adaptations specific to sport climbing, potentially aiding performance optimization and injury prevention in intermediate and advanced climbers. This study analyzes if the dominant hand has greater isometric endurance and isometric manual grip strength parameters than the non-dominant one and examines its relation to the masticatory and neck muscles in intermediate and advanced sport climbers.
View Article and Find Full Text PDFElectromyographic and kinematic characteristics of baseball players with yips exhibiting different types of dystonic movements: A two-case report.
Heliyon
January 2025
Center for Medical Sciences, Ibaraki Prefectural University of Health Sciences, Japan.
Article Synopsis
- The yips is a coordination issue in athletes, especially baseball players, tied to task-specific dystonia.
- This study focused on two baseball players displaying different yips symptoms, analyzing their throwing motions and muscle activity using advanced technology.
- It identified two types of dystonic movements: one involving excessive elbow flexion due to improper muscle contraction, and another featuring tremors from inconsistent muscle activity, emphasizing the need for personalized analysis in understanding and addressing yips symptoms.
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