Results 51 to 60 of about 148,330 (168)

Leg stiffness and potential energy in the countermovement phase and the CMJ jump height

Biomedical Human Kinetics, 2016
Study aim: The elastic potential energy accumulated in the musculotendinous units during the countermovement phase of a jump adds up to the energy supplied by the contracting muscles used in the take-off phase.
Struzik Artur, Zawadzki Jerzy, Rokita Andrzej   +2 more
doaj   +1 more source

Comparing the effects of plyometric and isometric strength training on dynamic and isometric force-time characteristics

Biology of Sport, 2021
The purpose of the study was to compare the change in dynamic and isometric force-time characteristics after plyometric (PLYO) or isometric strength training (ISO).
Danny Lum, Paul Comfort, Tiago M. Barbosa, Govindasamy Balasekaran   +3 more
doaj   +1 more source

Positive Effects of Plyometric Training on Increasing Speed, Strength and Limb Muscles Power in Adolescent Males

Physical Education Theory and Methodology, 2023
The study purpose was to prove the effectiveness of a plyometric jumping jack, countermovement jump, and tuck jump training in increasing speed, strength, and limb muscle power in adolescent males. Materials and methods.
Shidqi Hamdi Pratama Putera, Hari Setijono, Oce Wiriawan, Nurhasan, Heryanto Nur Muhammad, Agus Hariyanto, Anindya Mar’atus Sholikhah, Adi Pranoto   +7 more
doaj   +1 more source

Countermovement Jump in Female Sprinters: Kinetic Parameters and Asymmetry

Symmetry, 2022
Analyzing asymmetry from biomechanical parameters of the lower extremities has become a standard practice for accurate assessment of athletic performance, injury prevention, and rehabilitation. The aims of this study were (1) to determine differences between explosive strength and asymmetry of the lower extremities using kinetic parameters of the CMJ ...
Prvulovic, Nikola, Čoh, Milan, Čular, Dražen, Tomljanović, Mario, Sporiš, Goran, Žilić Fišer, Suzana   +5 more
openaire   +3 more sources

The Acute and Longer-Term Effects of Cold Water Immersion in Highly-Trained Volleyball Athletes During an Intense Training Block

Frontiers in Sports and Active Living, 2020
Background: The use of cold water immersion (CWI) as a recovery strategy following exercise has drawn mixed findings over the last few decades. The purpose of the current study was two-fold; (1) to determine the acute effects of CWI within the training ...
Francisco Tavares, Mário Simões, Mário Simões, Bruno Matos, Tiaki Brett Smith, Matthew Driller   +5 more
doaj   +1 more source

Effects of fatigue are more pronounced on the uninjured side during single‐limb jumps 2 years after an acute Achilles tendon rupture

Knee Surgery, Sports Traumatology, Arthroscopy, EarlyView.
Abstract Purpose Achilles tendon rupture (ATR) is a serious lower limb injury that may result in persistent deficits in strength and endurance of the calf muscles. Compensatory mechanisms at proximal joints are known, but the effects of fatigue are less studied.
Unnur Sædís Jónsdóttir, Roy Tranberg, Karin Grävare Silbernagel, Annelie Brorsson, Kristín Briem   +4 more
wiley   +1 more source

World Health Organization Healthy Ageing model applied to adults with cerebral palsy: A systematic review of reported intrinsic capacity measures

Developmental Medicine &Child Neurology, EarlyView.
This systematic review reports on quantitative measures of intrinsic capacity domains of the WHO Healthy Ageing model for adults with CP. Reports from 102 studies showed reduced locomotor, vitality andn possibly cognitive intrinsic capacity reserves for adults aged 30–45 years.
Woroud Alzaher, N. Susan Stott, Paul Hofman, Amy Hogan, Sian A Williams   +4 more
wiley   +1 more source

Effect of Using Hand-Weights on Performance in the Standing Long Jump [PDF]

, 2012
Previous standing long jump studies have shown that jumping with hand weights can significantly increase jumping performance. The purpose of this study was to investigate the mechanisms that enable performance improvement in the standing long jump when ...
Austin Filush, Filush, Austin
core  

Squat Jump and Bilateral and Unilateral Countermovement Jump Performance in Soccer Players 6 and 9 Months After Anterior Cruciate Ligament Reconstruction

Medicina
Background and Objectives: The assessment of neuromuscular recovery after ACL reconstruction is crucial for safe return to sport (RTS) in professional soccer players.
Nikola Andrić, Mladen Mikić, Damjan Jakšić, Slavko Molnar, Dejan Javorac, Vukadin Milankov   +5 more
doaj   +1 more source

Entangling and Coalescing on Social Media: A Study of Issue Boundary Spanning in Movement of Movements

Information Systems Journal, EarlyView.
ABSTRACT This study examines how issues across boundaries influence contention dynamics in a movement of movements on social media. Participants utilize social media to support or oppose goals and actions related to their visions regarding societal changes. As the boundaries of movements are fluid on social media, we investigate the actors' identities,
Carol Lee, Pratyush Bharati, Emmanuelle Vaast   +2 more
wiley   +1 more source