Results 31 to 40 of about 37,625 (311)

Lift-off dynamics in a simple jumping robot [PDF]

, 2012
We study vertical jumping in a simple robot comprising an actuated mass-spring arrangement. The actuator frequency and phase are systematically varied to find optimal performance.
Alex Lesov, C. Li, Daniel I. Goldman, J. Babic, J. Guckenheimer, Jeffrey Aguilar, K. Kubo, Kurt Wiesenfeld, M. Günther, M. Kovac, M. Raibert, M. A. Harris, R. Full, R. Niiyama, R. Niiyama, R. Playter, R. M. Alexander, S. H. Hyon   +17 more
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PREDICTION OF PHYSICAL VARIABLE TO SQUAT LONG JUMP ACHIEVEMENT (A MULTIVARIATE CORRELATIONAL STUDY ON TRAINED STUDENTS OF A STATE SENIOR HIGH SCHOOL IN PEKALONGAN REGENCY)

International Journal of Education, 2018
Achievement of squat long jump needs to be supported with several components that are divided into anthropometric elements and physical abilities. This study aims to determine the relationship and the extent to which squat long jump achievement can ...
Abdurachman Abdurrachman, Sugiyanto Sugiyanto, Muchsin Doewes   +2 more
doaj   +1 more source

A Comparison of Machine versus Free-Weight Squats for the Enhancement of Lower-Body Power, Speed, and Change-of-Direction Ability during an Initial Training Phase of Recreationally-Active Women

Sports, 2019
The purpose of this study was to examine differences between a free-weight squat (FWS) and machine squat (MS) during an initial resistance training phase for augmentation of performance tests in recreationally active women. Twenty-seven women (22.7 ±
Neil A. Schwarz, Sean P. Harper, Andy Waldhelm, Sarah K. McKinley-Barnard, Shelley L. Holden, John E. Kovaleski   +5 more
doaj   +1 more source

Effects of chains squat training with different chain load ratio on the explosive strength of young basketball players’ lower limbs

Frontiers in Physiology, 2022
The purpose of this study was to explore the effects of the chain squat training (CST) with different chain load ratio (0, 10%, 20% and 30%) on the explosive power of the lower limbs of adolescent male basketball players.
Dongting Jiang, Gang Xu
doaj   +1 more source

Activation of the gluteus maximus during performance of the back squat, split squat and barbell hip thrust and the relationship with maximal sprinting [PDF]

, 2021
The purpose of this research was to compare muscle activation of the gluteus maximus and ground reaction force between the barbell hip thrust, back squat, and split squat and to determine the relationship between these outcomes and vertical and ...
Andersen, Arcos, Boren, Brughelli, Buchheit, Chelly, Cohen, Contreras, Contreras, Contreras, Contreras, De Lacey, De Luca, Dorn, Fujisawa, Harris, Highton, Jones, Jönhagen, Kuitunen, McBride, McBride, McCurdy, McKenna, Meylan, Morin, Morin, Morin, Nummela, Pinto, Randell, Seitz, Spiers, Von Laßberg, Weyand, Wisløff, Worrell, Yavuz   +37 more
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Effect of single vs. multi joint ballistic resistance training upon vertical jump performance [PDF]

, 2013
The present study aimed to examine the effects of two different ballistic resistance training regimens, with and without the possibility to utilize the proximal to distal coordination between knee and ankle, upon maximal vertical jump performance ...
Aune, Tore Kristian, Dalen, Terje, van den Tillaar, Roland, Welde, Boye   +3 more
core   +3 more sources

The effect of plyometric training program on agility, jumping, and speed performance in young soccer players

Pedagogy of Physical Culture and Sports
Background and Study Aim. The aim of this study was to examine the effect of a 6-week plyometric training program on agility, vertical jump, squat jump, and speed performance in soccer players. Material and Methods.
Bahaüddin Türkarslan, Gökhan Deliceoglu   +1 more
doaj   +1 more source

Is COVID-19 infection decreasing the sports performance of the volleyball players? A pilot study

Journal of Men's Health, 2022
Background: Coronavirus (COVID-19) infection has made restrictions on every sports level, from the audience to athletes worldwide. Volleyball players’ life were affected by COVID-19 infection, the layout of training, and competitions.
Aydan Orscelik, Ismail Kaya, Burak Karaaslan, Betul Agiragac, Cagri Ceyhan   +4 more
doaj   +1 more source

Complex training: The effect of exercise selection and training status on postactivation potentiation in rugby league players [PDF]

, 2017
This study compared the postactivation potentiation (PAP) response of the hex bar deadlift (HBD) and back squat (BS) exercises. The PAP response between different levels of athletes was also compared.
Ditroilo, Massimiliano, Marshall, Phil, Scott, David J.   +2 more
core   +1 more source

PENGARUH LATIHAN KNEE TUCH JUMP DAN SQUAT DEPT JUMP TERHADAP DAYA LEDAK TUNGKAI SISWA SMK NEGERI 1 BANTAENG [PDF]

, 2018
THE INFLUENCE OF KNEE TOUCH JUMP EXERCISE AND SQUAT DEPTH JUMP EXERCISE ON LEGS EXPLOSIVE POWER OF STUDENTS AT SMKN 1 IN BANTAENG Program Studi Pendidikan Jasmani dan Olahraga Program Pascasarjana Universitas Negeri Makassar ABSTRAK MUHAMMAD ...
ASRUL, MUHAMMAD
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