The purpose of this study was to determine whether the Index of Coordination (IdC) and the propulsive phase durations can differentiate performance level during a maximal 400-m front crawl swim trial. Sixteen male swimmers constituted two groups based on performance level (G1: experts; G2: recreational). All participants swam the 400-m front crawl at maximal speed. Video analysis determined the stroke (swimming speed, stroke length, stroke rate) and coordination (IdC) parameters for every 50 m. Both stroke and coordination parameters discriminated performance level. The expert group had significantly higher values for speed and stroke length and lower values for the relative propulsive phase duration and IdC (p < .05). However there was no significant change in coordination parameters for either group throughout the trial. This suggests that, when associated with greater stroke length, catch-up coordination can be an efficient coordination mode that reflects optimal drag/propulsion adaptation. This finding provides new insight into swimmers' adaptations in a middle-distance event.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1080/02701367.2011.10599716 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Osteochondral lesions of the talus with small cysts may not affect the outcome of arthroscopic microfracture: A systematic review and meta-analysis.
Foot Ankle Surg
January 2025
Department of Orthopaedics, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, Zhejiang, China. Electronic address:
Background: The optimal treatment of Osteochondral lesion of the talus (OLT) for subchondral bone cysts (SBCs) has not been finalized. The purpose of this systematic review and meta-analysis was to define whether OLT with small SBCs will affect the clinical outcomes of OLTs after arthroscopic microfracture.
Methods: We searched the Embase, Cochrane Library and PubMed databases up to May 13, 2024 for eligible comparative studies.
Generational Differences in Self-Esteem and Vocal Perception Among Brazilian Gay Men.
J Voice
January 2025
Speech-Language Pathology Department, Universidade Federal de São Paulo - UNIFESP, Rua Botucatu, 802 Vila Clementino, 04023-062, São Paulo, São Paulo, Brazil. Electronic address:
Introduction: Self-esteem and vocal perception are central aspects of identity and self-presentation, particularly within marginalized communities where voice and self-concept can be deeply intertwined with social acceptance and cultural dynamics. Among Brazilian gay men, generational differences in these areas may reflect broader social changes, shifts in stigma, and evolving notions of masculinity. This study aims to explore these differences, examining how self-esteem and self-assessed vocal descriptions vary across generations, thereby shedding light on specific needs and areas for potential support within these communities.
View Article and Find Full Text PDFNonpharmacological Management of Cancer-Related Cachexia: A Systematic Review.
Semin Oncol Nurs
January 2025
Nursing Department, Cyprus University of Technology, Limassol, Cyprus.
Objectives: Cancer-related cachexia affects approximately 50% to 80% of cancer patients and contributes significantly to cancer-related mortality, accounting for 20% of deaths. This multifactorial syndrome is characterized by systemic inflammation, anorexia, and elevated energy expenditure, leading to severe weight loss and muscle wasting. Understanding the underlying mechanisms is critical for developing effective interventions.
View Article and Find Full Text PDFAssociation between the number of remaining teeth and pseudarthrosis after lumbar interbody fusion: A retrospective cohort study.
J Orthop Sci
January 2025
Department of Orthopedic Surgery, Faculty of Medicine and Graduate of Medicine, Hokkaido University, N15W7, Sapporo, Hokkaido, 065-0024, Japan.
Background: Pseudarthrosis is a major complication after posterior lumbar interbody fusion (PLIF) and transforaminal interbody fusion (TLIF), and its risk factors need to be identified. This study aimed to investigate the relationship between the number of remaining teeth (NRT) and pseudarthrosis.
Methods: NRT, preoperative bone density of the proximal femur (percentages of young adult mean; % YAM), and preoperative procollagen type 1 N-terminal propeptide (P1NP) (μg/L) were retrospectively investigated in 63 patients (24 male and 39 female, mean age: 71.
Predicting postoperative adhesive small bowel obstruction in infants under 3 months with intestinal malrotation: a random forest approach.
J Pediatr (Rio J)
January 2025
Department of General Surgery and Neonatal Surgery, Liangjiang Wing, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Chongqing, China. Electronic address:
Objective: This study aimed to develop a predictive model using a random forest algorithm to determine the likelihood of postoperative adhesive small bowel obstruction (ASBO) in infants under 3 months with intestinal malrotation.
Methods: A machine learning model was used to predict postoperative adhesive small bowel obstruction using comprehensive clinical data extracted from 107 patients with a follow-up of at least 24 months. The Boruta algorithm was used for selecting clinical features, and nested cross-validation tuned and selected hyper-parameters for the random forest model.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!