Results 221 to 230 of about 36,655 (252)

Momentum-Based Load Prescriptions: Applications to Jump Squat Training

Journal of Strength & Conditioning Research, 2022
Abstract Harry, JR, Krzyszkowski, J, Harris, K, Chowning, L, Mackey, E, Bishop, C, and Barker, LA. Momentum-based load prescriptions: Applications to jump squat training. J Strength Cond Res 36(9): 2657–2662, 2022—Velocity-based training is often applied to ballistic ...
John R. Harry, John Krzyszkowski, Katie Harris, Luke Chowning, Ethan Mackey, Chris Bishop, Leland A. Barker   +6 more
openaire   +2 more sources

Kinetic Analysis of Concurrent Activation Potentiation during Back Squats and Jump Squats

Journal of Strength and Conditioning Research, 2010
Concurrent activation potentiation enhances muscular force during open kinetic chain isometric and isokinetic exercises via remote voluntary contractions (RVCs). The purpose of this study was to evaluate the effect of RVCs on the performance of closed kinetic chain ground-based exercises.
William P, Ebben, Clare E, Kaufmann, McKenzie L, Fauth, Erich J, Petushek   +3 more
openaire   +2 more sources

Does bilateral index differ between countermovement jump, drop jump and squat jump?

Computer Methods in Biomechanics and Biomedical Engineering, 2012
In the literature, it has already been reported that in a two-legged vertical jump humans achieve less than twice the jump height they are able to reach in a one-legged jump (van Soest et al.
E, Simoneau, A, Toumi, C, Gillet, S, Leteneur   +3 more
openaire   +2 more sources

Could the Deep Squat Jump Predict Weightlifting Performance?

Journal of Strength and Conditioning Research, 2009
This research was carried out with the aim of describing the deep squat jump (DSJ) and comparing it with the squat (SJ) and countermovement (CMJ) jumps, to introduce it as a strength testing tool in the monitoring and control of training in strength and power sports. Forty-eight male subjects (21 weightlifters, 12 triathletes, and 15 physical education
Francisco J, Vizcaya, Oscar, Viana, Miguel Fernandez, del Olmo, Rafael Martin, Acero   +3 more
openaire   +2 more sources

Increasing Compliance to Instructions in the Squat Jump

Journal of Strength and Conditioning Research, 2008
The purposes of this investigation were to evaluate the occurrence of a small amplitude counter-movement (SACM) in SJ (squat jump) trials of elite athletes to determine the efficacy of gross observation and the use of a portable position transducer to determine whether or not a SACM occurred.
Jeremy M, Sheppard, Tim L A, Doyle
openaire   +2 more sources

Effect of Instructions on Selected Jump Squat Variables

Journal of Strength and Conditioning Research, 2016
Abstract Talpey, SW, Young, WB, and Beseler, B. Effect of instructions on selected jump squat variables. J Strength Cond Res 30(9): 2508–2513, 2016—The purpose of this study was to compare 2 instructions on the performance of selected variables in a jump squat (JS) exercise.
Scott W, Talpey, Warren B, Young, Bradley, Beseler   +2 more
openaire   +2 more sources

Why is countermovement jump height greater than squat jump height?

Medicine &amp Science in Sports &amp Exercise, 1996
In the literature, it is well established that subjects are able to jump higher in a countermovement jump (CMJ) than in a squat jump (SJ). The purpose of this study was to estimate the relative contribution of the time available for force development and the storage and reutilization of elastic energy to the enhancement of performance in CMJ compared ...
Bobbert, Maarten F., Gerritsen, Karin G M, Litjens, Maria C A, Van Soest, Arthur J.   +3 more
openaire   +3 more sources

Jump Squat Momentum: An Alternative Method to Prescribe Jump Squat Loads for Elite Rugby Union Players

Journal of Strength & Conditioning Research
Abstract Loturco, I, Zabaloy, S, Bishop, C, Mercer, VP, Moura, TBMA, Ramos, MS, Freitas, TT, and Pereira, LA. Jump squat momentum: An alternative method to prescribe jump squat loads for elite rugby union players. J Strength Cond Res 39(7): 780–787, 2025—Rugby union is a team-sport in which collisions and impact forces play a decisive role ...
Irineu, Loturco, Santiago, Zabaloy, Chris, Bishop, Valter P, Mercer, Tulio B M A, Moura, Mauricio S, Ramos, Tomas T, Freitas, Lucas A, Pereira   +7 more
openaire   +2 more sources

Biomechanical Analysis of Squat Jump and Countermovement Jump From Varying Starting Positions

Journal of Strength and Conditioning Research, 2013
The purpose of this study was to investigate the effect of 2 strategies, defined by foot placement during the initiation of the take-off on performance in vertical jumps. The additional area of interest in this experiment was whether technique of the take-off phase might be an exploratory factor that has different electromyogram (EMG) muscle activity ...
Krzysztof, Mackala, Jacek, Stodółka, Adam, Siemienski, Milan, Coh   +3 more
openaire   +2 more sources

Relationship Between Relative Net Vertical Impulse and Jump Height in Jump Squats Performed to Various Squat Depths and With Various Loads

International Journal of Sports Physiology and Performance, 2010
Purpose:The purpose of the current investigation was to determine the relationship between relative net vertical impulse (net vertical impulse (VI)) and jump height in the jump squat (JS) going to different squat depths and utilizing various loads.Methods:Ten males with two years of jumping experience participated in this investigation (Age: 21.8 ± 1.9
McBride, Jeffrey M, Kirby, Tyler J, Haines, Tracie L, Skinner, Jared   +3 more
openaire   +4 more sources