Results 21 to 30 of about 169,053,503 (260)

Change of direction asymmetry across different age categories in youth soccer [PDF]

PeerJ, 2020
Background In youth, the development of change of direction (COD) and sprint performance is a key component for successfully competing in soccer across age. During a COD, the presence of directional asymmetries may be detrimental due to the unpredictable
Athos Trecroci, Alessio Rossi, Thomas Dos’Santos, Damiano Formenti, Luca Cavaggioni, Stefano Longo, F. Marcello Iaia, Giampietro Alberti   +7 more
doaj   +2 more sources

Change-of-direction sprint tests (validity).

, 2019
Change-of-direction sprint tests (validity).
Rainer Neumann (529291), Steffen Ringhof (7245089), Stefan Altmann (7245086), Alexander Woll (529292), Michael C. Rumpf (7245092)   +4 more
core   +1 more source

Development of a Cutting Technique Modification Training Program and Evaluation of its Effects on Movement Quality and Cutting Performance in Male Adolescent American Football Players

Sports, 2023
This study developed a cutting technique modification training program and investigated its effects on cutting performance and movement quality in adolescent American football players.
Lutz Thieschäfer, Julius Klütz, Julian Weig, Thomas Dos’Santos, Dirk Büsch   +4 more
doaj   +1 more source

Change-of-direction sprint tests (reliability).

, 2019
Change-of-direction sprint tests (reliability).
Rainer Neumann (529291), Steffen Ringhof (7245089), Stefan Altmann (7245086), Alexander Woll (529292), Michael C. Rumpf (7245092)   +4 more
core   +1 more source

Directional Change Mediates the Physiological Response to High-Intensity Shuttle Running in Professional Soccer Players

Sports, 2018
The purpose of this study was to investigate the influence that different frequencies of deceleration and acceleration actions had on the physiological demands in professional soccer players.
Remy Tang, Conall Murtagh, Giles Warrington, Tim Cable, Oliver Morgan, Andrew O’Boyle, Darren Burgess, Ryland Morgans, Barry Drust   +8 more
doaj   +1 more source

Relationship between the Reliability of Tennis-Specific Change of Direction (77COD) Test and Squat Jump–Countermovement Jump in Adolescent Tennis Players

Applied Sciences
The aim of this study was to investigate the reliability of the tennis-specific change of direction (77COD) test with vertical jump tests (Squat Jump and Countermovement Jump) in adolescent tennis players.
Selman Kaya, Aysu Önal, Gökhan Deliceoğlu   +2 more
doaj   +1 more source

Are change of direction and small-sided game practises distinctive factors in regional amateur league football players?

Revista Brasileira de Futsal e Futebol, 2023
The purpose of this study was to reveal whether change of direction and small-sided game practises are distinctive factors in regional amateur football players.
Mehmet Söyler, Raif Zileli
doaj  

Social Functioning Within the First Years After Pediatric Brain Tumor Diagnosis and the Relationship With Family Psychosocial Risk

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Survivors of pediatric brain tumors (PBTs) can experience long‐term social difficulties, impacting quality of life. Beyond medical and environmental factors, family psychosocial risk may play a role in social outcomes by shaping the caregiving environment and may provide intervention options.
Renske H. Houben, Marisa H. Huisman, Martha A. Grootenhuis, Femke K. Aarsen, Marita Partanen   +4 more
wiley   +1 more source

Retrospective Analysis of Donor Lymphocyte Infusions in Pediatric Patients With Mixed Chimerism After Hematopoietic Stem Cell Transplantation

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Allogeneic hematopoietic stem cell transplantation (alloHSCT) is an essential therapy for several malignant and nonmalignant diseases, but relapse and graft loss remain the principal threats to its success. Routine monitoring of chimerism and minimal residual disease (MRD) enables early detection of imminent recurrence and guides ...
Carmen Junk, Sebastian Michaelis, Michaela Döring, Thomas Eichholz, Ursula Holzer, Martin Ebinger, Tim Flaadt, Rupert Handgretinger, Peter Lang, Jan Frederic Weller, Markus Mezger   +10 more
wiley   +1 more source

Normative physical performance values and sex-bases developmental trajectories in Mexican school sport programs: a longitudinal study using VALD technology

Frontiers in Sports and Active Living
The purpose of this study was to establish normative values and analyze the longitudinal development of physical performance in students from Mexican private institutions using VALD technology.
Luis Alberto Dueñas-Dorado, Irvin Jesé Gaona-Carranza, Pablo Tadeo Ríos-Gallardo, Raquel Morquecho-Sánchez, Renato Treviño Theriot, José Alberto Pérez-García, Mireya Medina Villanueva, Rubén Ramírez-Nava   +7 more
doaj   +1 more source