Results 71 to 80 of about 292,853 (200)

The Relationship between Between Block Jump Height and Demographic Characteristics: Based on a Kinetics Approach [PDF]

open access: yesPhysical Treatments
Purpose: It is essential to analyze demographic characteristics to enhance the performance of the block jump skill based on the kinetics domain. For this reason, this study aims to analyze the relationship between jump height and the demographic ...
Maryam Zare Mojtahedi   +2 more
doaj  

Numerical Investigation Of The Impact On The Flow Patterns In The Spillway Crest Elevation Hydraulic Jump Along The Side Weirs In Open Channel [PDF]

open access: yesمهندسی و مدیریت ساخت, 2016
Side overflows are one of the most important hydraulic structures in water control and control systems. The outlet flow is a three-dimensional overflow that causes these overflows to have a complex hydraulic.
Negar Bagheri   +2 more
doaj  

Magnetization Jump in the Magnetization Process of the spin-1/2 Heisenberg Antiferromagnet on a Distorted Square-Kagome Lattice

open access: yes, 2015
We study the magnetization process of the spin-$1/2$ Heisenberg antiferromagnet on a distorted square-kagome lattice by the numerical-diagonalization method.
Hasegawa, Yasumasa   +2 more
core   +1 more source

Jump performance in Asian male volleyball players: match demands across player positions in Taiwan’s top-tier competition [PDF]

open access: yesJournal of Men's Health
Background: Jump performance is crucial in volleyball, but the match demands and positional requirements have received limited research attention in Asia. This study aims to investigate the jump demands of various playing positions in 3-, 4- and 5-set
Meng-Hung Hsieh   +2 more
doaj   +1 more source

A Comparison of Vertical Ground Reaction Forces in Single-leg Jump Take-offs and Double-leg Jump Take-offs in Indoor Collegiate Volleyball Players [PDF]

open access: yes, 2020
The purpose of this study was to determine if differences in vertical ground reaction forces (vGRFs) exist between single-leg take-off approaches (SL) and double-leg take-off approaches (DL) and if sex or positional differences existed in vGRFs in SL- or
de Moors, Moroni   +4 more
core   +1 more source

Biomechanical Indicators of Jump Height Among Varied Techniques of Vertical Jump [PDF]

open access: yesAmerican Journal of Sports Science, 2016
The purpose of the present study was to determine the biomechanical indicators of jump height among varied techniques of vertical jump and examine if the rate of force development is a valid indicator for vertical jump height or not. Fifteen male high level athletes participated in this study performed three techniques of the vertical jump. Motion data
openaire   +1 more source

The Effect of Ankle Brace Use on a 3-Step Volleyball Spike Jump Height

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, 2020
Purpose: The purpose of this study was to determine whether ankle brace use in university-level varsity volleyball athletes affected their 3-step spike jump height and whether certain types of ankle braces have a greater effect on jump height.
Daniel Z. You, M.D. M.Sc.   +6 more
doaj   +1 more source

Reactive Strength Index Modified Is a Valid Measure of Explosiveness in Collegiate Female Volleyball Players [PDF]

open access: yes, 2016
Kipp, K, Kiely, MT, and Geiser, CF. Reactive strength index modified is a valid measure of explosiveness in collegiate female volleyball players. J Strength Cond Res 30(5): 1341–1347, 2016—The purpose of this study was to investigate the validity of the ...
Geiser, Christopher   +2 more
core   +1 more source

Relationships between force-time curve variables and jump height during countermovement jumps in young elite volleyball players

open access: yesActa Gymnica, 2018
Background: The importance of vertical jumps has been extensively recognised in sports. Furthermore, the main indicator of success in vertical jumps is the attained height, however, there is lack of knowledge on how the eccentric and concentric force ...
Javad Sarvestan   +4 more
doaj   +1 more source

Effects of Drop Jump Training on Physical Fitness in Highly Trained Young Male Volleyball Players: Comparing Maximal Rebound Height and Standard Drop Height Training

open access: yesSports
Background: Drop height has previously been used as an effective programming parameter in plyometric jump training. Less is known about the usage of maximal rebound jump height from a distinct drop height as a parameter for individualized plyometric jump
Raouf Hammami   +6 more
doaj   +1 more source

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