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Muscles, Volume 4, Issue 1

March 2025 - 9 articles

Cover Story: CrossFit® has become a global high-intensity functional training trend, yet its safety remains debated due to inconsistent epidemiological data. This cross-sectional study surveyed Portuguese practitioners to characterize injury prevalence, type, and associated risk factors. Overall, 39.9% sustained at least one injury, most frequently affecting the shoulder and tendons. Male sex, 4–6 years of experience, higher body weight, and training 4–6 times per week significantly increased injury odds. These findings provide sport-specific evidence to optimize coaching guidelines and prevention strategies. View this paper
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Articles (9)

  • Systematic Review
  • Open Access
1 Citations
2,343 Views
13 Pages

The Muscle Cells in Pelvic Floor Dysfunctions: Systematic Review

  • Ana Margarida Vieira,
  • Maria Leonor Faleiro,
  • Miguel Mascarenhas-Saraiva and
  • Sandra Pais

18 March 2025

Background/Aims: The pelvic floor muscles are important structures involved in pelvic floor tone, pelvic organ support, and continence. The aim of this study was to perform an update on the pelvic floor muscle structure and function alterations of wo...

  • Article
  • Open Access
1 Citations
3,508 Views
12 Pages

17 March 2025

The assessment of joint ranges is an essential component of the physical examination, enabling monitoring and follow-up. Additionally, it is a key component of muscle mobility assessment. Smartphone applications for range-of-motion assessments offer...

  • Article
  • Open Access
4,857 Views
11 Pages

Complete Upper Body Bar Enhances Strength Training During Bench Press

  • He Wang,
  • Hannah Bradshaw,
  • Ben VonGunten,
  • John Andamasaris,
  • Emma Burns,
  • Caroline Ashton and
  • Clark Dickin

12 March 2025

Barbell (BB) and dumbbell (DB) devices are commonly used during a bench press to develop the muscles of the chest, shoulders, and upper arms. Recently, a complete upper body bar (CUBB) was designed to train the muscles of the forearm by allowing for...

  • Article
  • Open Access
1,777 Views
14 Pages

The Impact of Fucoidan Extracts on Heat-Stress-Induced Loss of In Vitro Fast-Twitch Muscle Function in Mice

  • Samantha T. C. Kucewicz,
  • Stefan Piantella,
  • Jarrod E. Church,
  • Caroline J. Taylor and
  • Chris van der Poel

27 February 2025

Elevated temperatures have been shown to decrease muscle force production, with potential causes including protein unfolding, enzyme denaturation, and reactive oxygen species (ROS). This study aimed to investigate whether fucoidan, a compound derived...

  • Article
  • Open Access
4 Citations
4,060 Views
11 Pages

11 February 2025

Background: Algometry is a validated and reliable measurement tool, but there are still no reliable data for the different algometers used by different raters in the same participant. Objective: The aim of this study was to determine the intra-reliab...

  • Article
  • Open Access
1 Citations
1,246 Views
11 Pages

6 February 2025

A history of bronchiolitis may lead to changes in health-related physical fitness in children and adolescents. The aim of this study was to analyze the influence of history of bronchiolitis on health-related physical fitness components (muscle streng...

  • Article
  • Open Access
1 Citations
3,322 Views
12 Pages

21 January 2025

This study examined the association between knee proprioception, strength, and functional symmetry in healthy individuals using isokinetic strength tests, proprioception assessments, and hop tests. Twenty young, healthy adults (mean age 26.5 ±...

  • Article
  • Open Access
3 Citations
1,973 Views
21 Pages

Sport-Related Injuries in Portuguese CrossFit® Practitioners and Their Characteristics

  • Ricardo Maia Ferreira,
  • Luís Gonçalves Fernandes,
  • Beatriz Minghelli,
  • Yuri Feito,
  • António Rodrigues Sampaio and
  • Nuno Pimenta

10 January 2025

Background/Objectives: CrossFit® is one of the most popular yet controversial training regimens. Some groups extol the positive effects of its practice, while others argue that it is unsafe and that there is limited information. The aim of this s...

  • Case Report
  • Open Access
1,719 Views
8 Pages

Muscle Endurance Training in a Person with Friedreich’s Ataxia

  • Nicole T. McGarrell,
  • Max E. Green and
  • Kevin K. McCully

9 January 2025

Friedreich’s ataxia (FRDA) results from a faulty mitochondrial protein known as Frataxin. The purpose of this case report was to test whether skeletal muscle in FRDA can adapt to an endurance-based training program using neuromuscular electrica...

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Muscles - ISSN 2813-0413