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Assessing maximal sprinting speed in soccer - criterion validity of commonly used devices.
Sci Med Footb
December 2024
TSG 1899 Hoffenheim, Zuzenhausen, Germany.
This study aimed to investigate the criterion validity of commonly used devices to assess maximal sprinting speed (MSS) in soccer. Thirty elite youth soccer players completed three trials of a 30-m sprint test to assess MSS. All sprints were simultaneously captured via a radar gun (Stalker ATS II), timing gates (Smartspeed Pro, Fusion Sport), a magnetic timing system (Humotion SmarTracks) and a global navigation satellite system (GNSS) (Kinexon Perform GPS Pro).
View Article and Find Full Text PDFEffects of Arthroscopic Surgery and Non-Surgical Therapy on Hip Contact Forces in Femoroacetabular Impingement Syndrome.
Med Sci Sports Exerc
December 2024
Griffith Centre of Biomedical and Rehabilitation Engineering (GCORE), Griffith University, Gold Coast, AUSTRALIA.
Introduction: We compared the 12-months effects of arthroscopic surgery and physiotherapist-led care for femoroacetabular impingement (FAI) syndrome on the time-varying magnitude of hip contact force and muscle contributions to hip contact force during walking.
Methods: Secondary analysis was performed on thirty-seven individuals with FAI syndrome who received biomechanical assessment before and 12-months following either arthroscopic surgery (n = 17) or physiotherapist-led care (Personalised Hip Therapy, PHT) (n = 20). At both time points, three-dimensional whole-body motions, ground reaction forces, and surface electromyograms (n = 14) were acquired during overground walking.
Predictors of Internal Rotation-Dependent Activities of Daily Living Performance and Favorable Satisfaction Despite Loss of Objective Internal Rotation After Reverse Shoulder Arthroplasty.
J Am Acad Orthop Surg
December 2024
From the College of Medicine (Cueto, Hao, and Buchanan), University of Florida, Gainesville, FL, the Department of Applied Physiology and Kinesiology (Janke), and the Department of Orthopaedic Surgery and Sports Medicine (Hones, Turnbull, J. Wright, T. Wright, Farmer, Struk, and King), and the Department of Orthopaedic Surgery (Schoch), Mayo Clinic, Jacksonville, FL.
Introduction: Previous research has determined that objective and subjective internal rotation (IR) may be discordant. The purpose of this study was to identify predictors of patient-reported ability to perform IR-dependent activities of daily living (IRADLs) and favorable patient satisfaction after reverse shoulder arthroplasty (RSA) despite the loss of objective IR.
Methods: A single, institutional, shoulder arthroplasty database was queried for patients undergoing primary RSA with a minimum 2-year follow-up.
Genome-Wide Mapping of Autonomously Replicating Sequences in the Marine Diatom Phaeodactylum tricornutum.
Mar Biotechnol (NY)
November 2024
Institute of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki, Japan.
Article Synopsis
- Autonomously replicating sequences (ARSs) are crucial for the replication and stability of episomal vectors in organisms, but no ARS information has previously been reported for diatoms.
- In this study, researchers used chromatin immunoprecipitation sequencing to identify ARS candidates in the model diatom Phaeodactylum tricornutum, focusing on subunits ORC2 and ORC4, which bound to 355 genomic sites.
- Of those, 69 sites showed consistent screening results, revealing that these ARS candidates have an AT-richness of about 50% and unique characteristics compared to ARSs in other eukaryotes, indicating a distinct nature in diatom ARSs.
How Built Environment Characteristics Influence Social Interactions During Neighbourhood Walks Among Urban Inhabitants.
Int J Environ Res Public Health
November 2024
Department of Recreation and Leisure Studies, University of Waterloo, 200 University Avenue Waterloo, Waterloo, ON N2L 3G1, Canada.
As an accessible and low-risk mode of transportation and recreational activity, walking both produces and is produced by socio-spatial urban features. The health benefits of walking transcend physical fitness, remaining integral to mental health and to fostering social connectedness in urban communities. Understanding what drives walking behaviour, therefore, warrants attention from a public health perspective.
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