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Many protocols have been used to assess vertical jump ability. The study assessed how the AS influenced the duration and magnitude of the vertical ground reaction force VGRF during the main phases preparatory, braking and accelerating of the countermovement vertical jump CMVJ , the starting position of the body at the beginning of the accelerating phase and the moment when the AS began contributing to increasing the jump height. Ensemble-average analysis revealed several time intervals of significant post-race alterations and a timing shift in the Fz-Velocity loop. Data on changes in jump height for the plyometric and control groups were extracted and statistically pooled in a meta-analysis, separately for each type of jump. Barbell deadlift training increases the rate of torque development and vertical jump performance in novices.

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This particular VJ mat compared favorably with the Vertec but not the aopeb plate. We determined the effects of 4 different warm-up protocols followed by 20 minutes of basketball activity on flexibility and vertical jump height. While asymmetries in the lower extremity during jumping may have implications during rehabilitation, it is not clear if healthy subjects should be expected to jump equivalently on each leg.

The objective of this study was to confirm whether gymnastics practice from a young age can induce greater vertical jump reliability.

At take-off the joints on the sound side reached close to full extension while on the prosthetic side they remained more flexed. The purpose of this study was to examine the training effect of a novel movement knee-to-feet [K2F] jumps and whether a 6-week training program induced a positive transfer effect to other power-related movements vertical jump and hang clean [HC]. Jump height was measured to the nearest 0. The purpose of the present study was to investigate whether three different approaches for evaluating squat jump performance were correlated to rowing ergometer performance in elite adolescent rowers.

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Effect of ballistic and heavy exercise on vertical jump performance. The study assessed how the AS influenced the duration and magnitude of the vertical ground reaction force VGRF during the main phases preparatory, braking and accelerating of the countermovement vertical jump CMVJthe starting position of the body at the beginning of the accelerating phase and the moment when the AS began contributing to increasing the jump height.

Sprint time in 10 and 20m, jump height CMJestimated one-repetition maximum 1RM est and velocity developed against different absolute loads in full squat were measured before and after training period. One hundred young The current study purpose examined the vertical height-anthropometry relationship with jump data obtained from an instrumented platform.

These findings have important implications for power endurance sport. The Vertec was found to have a high correlation with the criterion reference, but the mean differed significantly.

Measurements of peak and take-off velocity, vertical displacement, peak power and work done during countermovement and push-off VCJ phases were derived from changes in vertical ground reaction force 12 performance parameters in 12 healthy participants. Eighteen elite male handball players age The purpose of the study was to determine the effects of 8 weeks of jump squat training on isometric half squat maximal force production Fmax and rate of force development over ms RFDcountermovement jump CMJ and squat jump SJ height, and 50 m sprint time in moderately trained men.

PC Wireless Adapter Drivers 2 models. Flight height was 5 cm jumping from the prosthetic side and cm from the sound side. The purpose of this study was wlann investigate the effects of deadlifts wlqn a postactivation potentiation stimulus on vertical jump performance. This study examined the effects of baseline flexibility and vertical jump ability on straight leg raise w,an of motion ROM and counter-movement jump performance CMJ following different volumes of stretching and potentiating exercises.

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Because stronger athletes did not jump higher than weaker athletes, dynamic aopdn tests may be more practical methods of assessing the relationships between relative strength levels and dynamic performance in collegiate athletes. The prediction model is discussed.

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Vertical jumping is known to be important in volleyball, and jumping performance tests are frequently studied for their reliability and validity. Key pointsThe inclusion of two sets of explosively performed half squats with low to moderate loads in the warm up procedure elicited an acute performance en-hancement.

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It is concluded that the use of a specific warm-up that includes half-squats, performed explosively with low to moderate intensity, improves CMJ performance.

In reality, mouse lemurs achieve jump heights of about 33 cm. To evaluate the reliability and validity of vertical and horizontal jump tests in football players with cerebral palsy FPCP and to analyze the jump performance differences between current International Federation for Cerebral Palsy Football functional classes ie, FT5-FT8. A direct dynamics model was used to examine squat jump performancewith dual performance criteria: A multiple linear regression was used to determine the biomechanical parameters that were best predictive of vertical jump height at each box drop distance.

Already a Premium member? During an AJ, the players used a 2- to 3-step approach and performed a drop jump with an arm swing followed by a quick vertical jump.

In explosive contractions, neural activation is a major factor in determining the rate of torque development, while the latter is an important determinant of jump performance.

The AS did not influence the body position at the beginning of the accelerating phase.