Study Design: A retrospective study.
Introduction: Patellar tendinopathy (PT) or jumper's knee (JK) in elite athletes is a challenging condition for sports medicine professionals. This study analyzes the development of a protocol using eccentric, isometric, concentric exercises, and electrostimulation to treat elite athletes suffering from JK. The semiannual strength protocol was completed during a total of 36 months by six high-level jumping athletes with chronic painful JK. Pain during patellar tendon loading activity was evaluated on a visual analogue pain scale (VAS). Upon protocol completion, promising clinical results were evidenced by significant pain reduction during tendon loading activity.
Material And Methods: Six high level jumping athletes with chronic painful JK completed a semiannual strength program using eccentric, isometric, concentric and electrical stimulation exercises. The protocol was done 12 weeks in the winter pre-season and 10 weeks in the summer pre-season, for altogether 36 months, with an interruption of the protocol at 24 months for 6 months. Pain during patellar tendon loading activity was evaluated on a visual analogue pain scale (VAS), before the first session and then every 6 months, coinciding with the competitive phase, the time of maximum pain.
Results: There was a significant (p < 0.01) decrease in the VAS from start to the 18, 24 and 48 months follow-ups.
Conclusions: In a small group of high level jumping athletes with chronic painful JK, a strength protocol combined with electrical stimulation showed promising clinical results with significant pain reduction during tendon loading activity.
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http://dx.doi.org/10.1016/j.ptsp.2018.09.005 | DOI Listing |
J Funct Morphol Kinesiol
January 2025
Faculty of Sport and Physical Education, University of Niš, 18000 Niš, Serbia.
: The aim of this study was to examine the acute effects of foam rolling and traditional stretch treatments on physical performance and self-perceived fatigue in youth football players. : The sample of participants consisted of 20 youth football players from the Serbia Under-17 league. Participants were randomly assigned to one of two groups, the Foam group (age: 16.
View Article and Find Full Text PDFJ Funct Morphol Kinesiol
January 2025
Department of Sports Training Science-Combats, National Taiwan Sport University, Taoyuan City 333, Taiwan.
Background/objectives: The underlying mechanisms of taekwondo-specific jumping ability among different competition levels are still unknown. This study aimed to compare vertical and horizontal stretch-shortening cycle (SSC) performance between athletes of different competitive levels and examine the relationships of force and power production abilities between those two directions in Taiwanese collegiate-level male taekwondo athletes.
Methods: Seventeen male collegiate taekwondo athletes were divided into two groups: medalists (MG, n = 8) and non-medalists (NMG, n = 9); both groups performed countermovement jumps (CMJ) on a force platform and single-leg lateral hops (SLLHs) via an optoelectronic measurement system.
J Funct Morphol Kinesiol
December 2024
Institut Nacional d'Educació Física de Catalunya (INEFC), Partida la Caparrella, 97, E-25192 Lleida, Spain.
Objectives: The aim was to assess the content validity of a new field test on general and soccer-specific motor skills before return to play.
Methods: The RONDO-TEST was assessed by a Delphi panel for its content validity. It included a survey to evaluate 16 items related to the test consisting of four 10 m lines which cross over at their mid-point, resulting in eight 5 m sectors that include locomotor skills (speeding, moving sideways, side cutting, and jumping) and soccer-specific technical skills (dribbling, slalom course, and kicking/passing).
To compare the effectiveness of injury prevention programs (IPPs) for improving high-risk knee motion patterns in the context of reducing the risk of noncontact anterior cruciate ligament injury. Systematic review with Bayesian network meta-analysis. PubMed, Embase, Web of Science, Cochrane Library, and the Cumulative Index to Nursing and Allied Health Literature were searched until September 10, 2023.
View Article and Find Full Text PDFFront Public Health
January 2025
Faculty of Physical Education, Assiut University, Asyut, Egypt.
Background: Health-related fitness (HRF) components are essential for supporting healthy growth and reducing long-term health risks in children. This study explored cross-cultural variations in HRF among children from five Mediterranean countries-Egypt, Italy, Lebanon, Portugal, and Spain-within the framework of the DELICIOUS project.
Methods: A total of 860 children participated in the study, including 204 from Egypt ( = 204, 11.
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