Results 11 to 20 of about 292,853 (200)
PREDICTING MAXIMAL COUNTERMOVEMENT JUMP HEIGHT FROM UPRIGHT AND SQUAT POSITIONS HEAD TITLE: UPRIGHT AND SQUAT MAXIMUM JUMP HEIGHT PREDICTORS [PDF]
Journal of Applied Sports Sciences, 2021 Introduction. Countermovement jump is common in sport and testing and performed from various starting positions. Little is known about effective contributions to maximal countermovement jump height from various starting positions. Purpose and Objectives.
David Suprak, Tal Amasay
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The effects of different vertical jump height on electromyographic, kinematic and kinetic variables [PDF]
Fizička Kultura, 2022 Countermovement jump (CMJ) is an element of many sports techniques and has an important role in the overall performance, both when performed at maximal and submaximal intensity.
Mrdaković Vladimir +7 more
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Biology of Sport, 2022 Recent improvements in smartphone video technology may provide sufficient accuracy for estimation of jump height via flight time determined from video recordings of vertical-jump tests.
Basilio Pueo +3 more
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Jumps in the Archimedean height [PDF]
Duke Mathematical Journal, 2019 We introduce a pairing on local intersection cohomology groups of variations of pure Hodge structure, which we call the asymptotic height pairing. Our original application of this pairing was to answer a question on the Ceresa cycle posed by R. Hain and D. Reed. (This question has since been answered independently by Hain.) Here we apply the pairing to
Brosnan P., Pearlstein G.
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Determinants of joint stiffness and jumping height during drop jump
Physiological Reports, 2023 AbstractThe present study aimed to examine the effects of muscle‐tendon mechanical properties and electromyographic activity on joint stiffness and jumping height and to explore the determinants of joint stiffness and jumping height. Twenty‐nine males performed unilateral drop jumps at three drop heights (10, 20, and 30 cm) using only the ankle joint ...
Takehiro Kosaka +4 more
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Modeling and Error Analysis in Camera-Based Jump Height Measurement
Current Directions in Biomedical Engineering, 2022 Introduction: In this work, we use simulated data to quantify the different failure mechanisms of a previously presented low-cost jump height measurement system, based on widely available consumer smartphone technology.
Webering Fritz +2 more
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Human Movement, 2023 Purpose Reactive strength index defines an athlete’s stretch-shortening cycle function and rebound capabilities. The purpose of the study was to examine the effect of two types of drop jumps (bounce drop jump: BDJ and countermovement drop jump: CDJ) on ...
George Dallas +3 more
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The reliability of vertical jump tests between the Vertec and My Jump phone application [PDF]
PeerJ, 2018 Background The vertical jump is used to estimate sports performance capabilities and physical fitness in children, elderly, non-athletic and injured individuals. Different jump techniques and measurement tools are available to assess vertical jump height
Vanessa R. Yingling +5 more
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Passive Knee Exoskeleton Increases Vertical Jump Height
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2022 Most exoskeletons are designed to reduce the metabolic costs of performing aerobic tasks such as walking, running, and hopping. This study presents an exoskeleton that boosts vertical jumping-a fast, short movement during which the muscles are exerted at peak capacity.
Coral Ben-David +2 more
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Baltic Journal of Health and Physical Activity, 2020 Background: The aim of this study was to examine the concurrent validity and inter-and intra-rater reliabilities of smart device based application, against force platform-based portable device Wii balance board (WBB) measurements for the flight time and ...
DONG-SIK OH +3 more
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