Results 11 to 20 of about 37,625 (306)

A Novel Approach to Improving Squat Jump Performance: The Pre-Loaded Squat Jumps. [PDF]

J Hum Kinet
The present study aimed to explore the acute effects of a novel preloading strategy on squat jump (SJ) kinetics and kinematics from 0 to 50% body mass. Twenty-one male college athletes (mean ± SD: age = 23.29 ± 3.15 yrs, body mass = 75.50 ± 6.20 kg, body height = 178.07 ± 6.45 cm and body fat content = 13.71 ± 5.45%) completed three different jump ...
Gu Z, Chen Z, Liao K, Bishop C, Gao C, Zhong F, Deng S, Wang X, Wei J, Li Y.   +9 more
europepmc   +2 more sources

Analysis and Comparison of Motion Biomechanics Characteristics of Squat Jump and Half-Squat Jump

Mobile Information Systems, 2022
In order to study the biomechanical characteristics of squat jump and half-squat jump, analysis and comparison were made. This paper tests and analyzes the kinematics and dynamics of 63 young men’s squat jump, and synchronously collects the kinematics and dynamics data of subjects in the process of weight-bearing squat, in-situ free jump, and high ...
Manman Zhao, Jinjin Zhang
openaire   +1 more source

Determinant Factors of the Squat Jump in Sprinting and Jumping Athletes. [PDF]

J Hum Kinet, 2017
Abstract The aim of this study was to assess the relationship between strength variables and maximum velocity (Vmax) in the squat jump (SJ) in sprinting and jumping athletes. Thirty-two sprinting and jumping athletes of national level (25.4 ± 4.5 years; 79.4 ± 6.9 kg and 180.4 ± 6.0 cm) participated in the study.
González-Badillo JJ, Jiménez-Reyes P, Ramírez-Lechuga J.   +2 more
europepmc   +4 more sources

Muscle coordination in loaded squat jump [PDF]

Computer Methods in Biomechanics and Biomedical Engineering, 2014
International ...
Giroux, Caroline, Guilhem, Gaël, Chollet, Didier, Rabita, Giuseppe   +3 more
openaire   +4 more sources

Post-Isometric Back Squat Performance Enhancement of Squat and Countermovement Jump

International Journal of Environmental Research and Public Health, 2022
The effectiveness of isometric conditioning activity (CA) is not well described in terms of the level of performance enhancement and the presence of a stretch and shortening cycle in subsequent explosive tasks. Therefore, the aim of this study was to evaluate the effect of a maximum isometric squat as the CA and a subsequent squat jump (SJ) and ...
Michał Spieszny, Robert Trybulski, Piotr Biel, Adam Zając, Michał Krzysztofik   +4 more
openaire   +2 more sources

Humans adjust control to initial squat depth in vertical squat jumping [PDF]

Journal of Applied Physiology, 2008
The purpose of this study was to gain insight into the control strategy that humans use in jumping. Eight male gymnasts performed vertical squat jumps from five initial postures that differed in squat depth (P1–P5) while kinematic data, ground reaction forces, and electromyograms (EMGs) of leg muscles were collected; the latter were rectified and ...
Bobbert, M.F., Casius, L.J.R., Sijpkens, I.W., Jaspers, R.T.   +3 more
openaire   +3 more sources

Risk of injury analysis in depth jump and squat jump [PDF]

Journal of Human Sport and Exercise, 2021
Introduction: The depth jump (DJ) and squat jump (SJ) are accepted ways to assess and train power producing ability but are not without risk of injury. Methods: Sixteen male participants (age = 21.7 ± 1.54 yrs., height = 177.7 ± 11.4 cm, mass = 77.7 ± 13.6 kg) were evaluated for power exertion capabilities while being assessed for risk of injury in the
Tomasevicz, Curtis L., Woldstad, Jeffrey C., david.jones@unl.edu   +2 more
openaire   +2 more sources

Conditioning exercises in ski jumping: biomechanical relationship of squat jumps, imitation jumps, and hill jumps [PDF]

Sports Biomechanics, 2017
As hill jumps are very time-consuming, ski jumping athletes often perform various imitation jumps during training. The performed jumps should be similar to hill jumps, but a direct comparison of the kinetic and kinematic parameters has not been performed yet.
Silvio Lorenzetti, Fabian Ammann, Sabrina Windmüller, Ramona Häberle, Sören Müller, Micah Gross, Michael Plüss, Stefan Plüss, Berni Schödler, Klaus Hübner   +9 more
openaire   +3 more sources

Effectiveness and time-course adaptation of resistance training vs. plyometric training in prepubertal soccer players

Journal of Sport and Health Science, 2020
Purpose: This study aimed to assess the effectiveness and time course for improvements in explosive actions through resistance training (RT) vs. plyometric training (PT) in prepubertal soccer players.
Yassine Negra, Helmi Chaabene, Thomas Stöggl, Mehréz Hammami, Mohamed Souhaiel Chelly, Younés Hachana   +5 more
doaj   +1 more source

Efforts to Improve Long Jump Skills in Squat Style Through a Play-Based Approach on 11th Grade Science Students at Teladan High School in Sei Rampah

Kinestetik, 2023
The problem of this research is the inadequate learning process and facilities in the long jump technique using the squat style, as well as the lack of mastery of basic skills in long jump, resulting in suboptimal student learning outcomes.
Muhammad Syahri, Albadi Sinulingga, Nurkadri   +2 more
doaj   +1 more source