Postactivation potentiation in elite young soccer players

Titton, Adriano; Franchini, Émerson

doi:10.12965/jer.1734912.456

Cited by 12 publications

(10 citation statements)

References 33 publications

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“…This is probably due to the difference in the protocols given that Ghahremani and Nazen conducted one set of two repetitions at 90% of the RM, whereas, in this study, the participants performed three sets of three repetitions and the intensity was quantified by means of the execution velocity (0.59 m-s −1 , equivalent to 87% of 1 RM in a squat) according to the proposal of Badillo et al [ 5 ]. Furthermore, in the intervention of Titton and Franchini [ 21 ], which aimed to assess the phenomenon of PAPE in young footballers, they used different percentages of 1 RM (between 40 and 100%) with rest combinations between 1 and 10 min and measured only the CMJ; in agreement with the present results, no statistically significant differences were found.…”

Section: Discussionsupporting

confidence: 85%

Unilateral and Bilateral Post-Activation Performance Enhancement on Jump Performance and Agility

Hincapié

Velásquez

Uribe

et al. 2021

IJERPH

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This study aimed to compare the effects of the post-activation performance enhancement (PAPE) of two different types of warm-ups, unilateral and bilateral, on the performance in vertical jumping and agility of healthy subjects with strength training experience. In the study, 17 subjects (12 men and 5 women) performed two different PAPE protocols: unilateral squat (UT) and bilateral squat (BT). The height of the subjects’ countermovement jump (CMJ) and the subjects’ time to perform the T-agility test (TAT) were measured before and after executing the PAPE warm-up. The squats were performed at a velocity of 0.59 m·s−1 with three sets of three repetitions, with a 3-min rest between sets and a 5-min rest after both uni-and bilateral PAPE warm-ups before taking the tests again. For statistical analysis, we applied ANOVA and calculated the effect size. The results showed that the PAPE for each case decreased the CMJ height but generated significant improvements in the total time taken for the T-agility test (p < 0.01); however, in both cases, the effect sizes were trivial. In conclusion, it is possible to observe that the PAPE, performed both unilaterally and bilaterally, negatively affects the performance in the vertical jump, showing moderate effect sizes. However, both PAPE protocols show performance benefits in agility tests, with a large effect size for the unilateral protocol and moderate for the bilateral protocol.

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Section: Discussionsupporting

confidence: 85%

Unilateral and Bilateral Post-Activation Performance Enhancement on Jump Performance and Agility

Hincapié

Velásquez

Uribe

et al. 2021

IJERPH

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“…The bilateral 1RM_KE and 1RM_KF were measured in fitness machines (Reebok Fitness Machine®), following previous instructions (Titton and Franchini, 2017 ). After a standardized general warm-up, athletes perform 10 unloaded repetitions for each exercise, and then 5 repetitions with 50% of the perceived 10RM.…”

Section: Methodsmentioning

confidence: 99%

Specific Changes in Young Soccer Player's Fitness After Traditional Bilateral vs. Unilateral Combined Strength and Plyometric Training

et al. 2018

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The aim of this study was to compare changes in young soccer player's fitness after traditional bilateral vs. unilateral combined plyometric and strength training. Male athletes were randomly divided in two groups; both received the same training, including strength training for knee extensors and flexors, in addition to horizontal plyometric training drills. The only difference between groups was the mode of drills technique: unilateral (UG; n = 9; age, 17.3 ± 1.1 years) vs. bilateral (TG; n = 9; age, 17.6 ± 0.5 years). One repetition maximum bilateral strength of knee muscle extensors (1RM_KE) and flexors (1RM_KF), change of direction ability (COD), horizontal and vertical jump ability with one (unilateral) and two (bilateral) legs, and limb symmetry index were measured before and after an 8-week in-season intervention period. Some regular soccer drills were replaced by combination of plyometric and strength training drills. Magnitude-based inference statistics were used for between-group and within-group comparisons. Beneficial effects (p < 0.05) in 1RM_KE, COD, and several test of jumping performance were found in both groups in comparison to pre-test values. The limb symmetry index was not affected in either group. The beneficial changes in 1RM_KE (8.1%; p = 0.074) and 1RM_KF (6.7%; p = 0.004), COD (3.1%; p = 0.149), and bilateral jump performance (from 2.7% [p = 0.535] to 10.5% [p = 0.002]) were possible to most likely beneficial in the TG than in the UG. However, unilateral jump performance measures achieved likely to most likely beneficial changes in the UG compared to the TG (from 4.5% [p = 0.090] to 8.6% [p = 0.018]). The improvements in jumping ability were specific to the type of jump performed, with greater improvements in unilateral jump performance in the UG and bilateral jump performance in the TG. Therefore, bilateral strength and plyometric training should be complemented with unilateral drills, in order to maximize adaptations.

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“…Jumping and landing motion for human is commonly locomotion for human (Kang, 2018; Kim, 2018; Ryew and Hyun, 2018; Titton and Franchini, 2017), but it was not clear whether asymmetry of muscle amount of both leg effects performance of landing motion or not. The study was to investigate relationship between fine difference of muscle amount and controllability of ground reaction force of both legs during landing motion.…”

Section: Discussionmentioning

confidence: 99%

Effect of muscle mass asymmetric between upper and lower limbs on the postural stability and shock attenuation during landing

Ryew¹,

Lee²,

Hyun³

2019

J Exerc Rehabil

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The aim of the study was to analyze the effect of muscle mass asymmetric between upper and lower limbs on postural stability and shock attenuation during landing. Twenty adults (without lower limb disorders and who could land from a 35-cm height) participated in this study (mean age, 21.85± 2.97 years; mean height, 1.68± 0.10 m; mean weight: 68.64± 17.36 kg). Subjects performed one-leg landing from 36-cm vertical heights. Ground reaction force components and medial-lateral, anterior-posterior, vertical and dynamic postural stability index were obtained from force platform recordings. We found that muscle mass in right limbs more increased than that of left limbs. Medial-lateral force, vertical force, vertical stability index, and dynamic postural stability index in left leg showed higher value than that of right leg during landing. The asymmetry of muscle mass (%) and ground reaction force variables showed a similar correlation, including dynamic postural stability index (r= 0.316). These findings allow us to conclude that the factor of muscle mass asymmetric is a contributor to impulse control and dynamic postural stability index asymmetry. Therefore, knowledge of bilateral limbs asymmetry may provide insights into exercise rehabilitation and performance.

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Postactivation potentiation in elite young soccer players

Cited by 12 publications

References 33 publications

Unilateral and Bilateral Post-Activation Performance Enhancement on Jump Performance and Agility

Unilateral and Bilateral Post-Activation Performance Enhancement on Jump Performance and Agility

Specific Changes in Young Soccer Player's Fitness After Traditional Bilateral vs. Unilateral Combined Strength and Plyometric Training

Effect of muscle mass asymmetric between upper and lower limbs on the postural stability and shock attenuation during landing

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