Relationship between static and dynamic balance abilities in Italian professional and youth league soccer players

Pau, Massimiliano; Arippa, Federico; Leban, Bruno; Corona, Federica; Ibba, Gianfranco; Todde, Francesco; Scorcu, Marco

doi:10.1016/j.ptsp.2014.12.003

Cited by 62 publications

(80 citation statements)

References 20 publications

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“…Across these phases, the highest reliability was found for the COP speed (ICC ranging from 0.63 for the DP to 0.86 for the SP2). The present results are in agreement with previous studies that showed lower correlation of similar outcome measures after a jump landing task compared to a static single leg stance task [8,25].…”

Section: Discussionsupporting

confidence: 94%

“…Moreover, no correlations were found between static and dynamic performance using the same outcome measures, i.e. 'COP speed' or 'SD of GRF' [8,25]. Therefore, one could suggest that static and dynamic tests reflect different aspects of total body sensorimotor function, implying an expanded perspective with regard to injury risk prediction, preventive actions and rehabilitation management.…”

Section: Introductionmentioning

confidence: 95%

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Time series of ground reaction forces following a single leg drop jump landing in elite youth soccer players consist of four distinct phases

et al. 2016

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A B S T R A C TThe single leg drop jump landing test may assess dynamic and static balance abilities in different phases of the landing. However objective definitions of different phases following landing and associated reliability are lacking.Therefore, we determined the existence of possible distinct phases of single leg drop jump landing on a force plate in 82 elite youth soccer players. Three outcome measures were calculated over moving windows of five sizes: center of pressure (COP) speed, COP sway and horizontal ground reaction force (GRF).Per outcome measure, a Factor Analysis was employed with all windows as input variables. It showed that four factors (patterns of variance) largely (>75%) explained the variance across subjects/trials along the 12 s time series. Each factor was highly associated with a distinct phase of the time series signal: dynamic (0.4-2.7 s), late dynamic (2.5-5.0 s), static 1 (5.0-8.3 s) and static 2 (8.1-11.7 s).Intra-class correlations (ICC) between trials were lower for the dynamic phases (0.45-0.68) than for the static phases (0.60-0.86). The COP speed showed higher ICC's (0.63-0.86) than COP sway (0.45-0.61) and GRF (0.57-0.71) for all four phases.In conclusion, following a drop jump landing unique information is available in four distinct phases. The COP speed is most reliable, with higher reliability in the static phases compared to the dynamic phases. Future studies should assess the sensitivity of information from dynamic, late dynamic and static phases.

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Section: Discussionsupporting

confidence: 94%

Section: Introductionmentioning

confidence: 95%

Time series of ground reaction forces following a single leg drop jump landing in elite youth soccer players consist of four distinct phases

et al. 2016

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“…Also, it is an important factor associated with lower extremity injury and performance in athletes (7). Soccer game is required a good postural control during efforts such as kick, dribble, pass and to recover quickly after sprints, jumps and cutting maneuvers (15). Soccer is one of the most popular sports in the world, with more than 265 million players.…”

Section: Introductionmentioning

confidence: 99%

Relationship between core stability, dynamic balance and jumping performance in soccer players

Özmen

2016

Turk J Sport Exe

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The purpose of this study was to investigate relationship between core stability, dynamic balance and jumping performance in soccer players. Seventeen male soccer players (mean ± SD: age, 21.06 ± 1.71 years) participated as volunteer in this study. Dynamic balance of the participants were evaluated at directions of anterior (A), posteromedial (PM) and posterolateral (PL) with Star Excursion Balance Test (SEBT). The core stability was evaluated with trunk flexion, side bridge, and trunk extension tests. For jumping performance, squat jump height was measured using a contact mat. There was a negative correlation (r = -0.705) between trunk flexion test and squat jump height (p < 0.002). No significant correlation were identified between trunk flexion, side bridge, trunk extension tests and squat jump height (p > 0.05). There was no significant correlation between trunk flexion, side bridge, trunk extension tests and SEBT values (p > 0.05). The results of this study suggest that trunk flexion is associated with squat jump height in soccer players, but not side bridge and trunk extension tests. The core stability does not contribute significantly on dynamic balance.

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“…Pau et al 22 evaluated the dynamic balance by vertical ground reaction force and the center of pressure, and they discovered that the dynamic and static balance should be considered a different factor. Vertical ground reaction force, total length, and total length per unit area are considered commonly used parameters for balance measurement, 23,24 therefore we investigated these parameters in this study.…”

Section: Effect Of Teeth Clenching On Dynamic Balancementioning

confidence: 99%

The Effect of Teeth Clenching on Dynamic Balance at Jump-Landing: A Pilot Study

Nakamura

Yoshida

Churei

et al. 2017

Journal of Applied Biomechanics

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The aim of this study was to analyze the effect of teeth clenching on dynamic balance at jump landing. Twenty-five healthy subjects performed jump-landing tasks with or without teeth clenching. The first 3 trials were performed with no instruction; subsequently, subjects were ordered to clench at the time of landing in the following 3 trials. We collected the data of masseter muscle activity by electromyogram, the maximum vertical ground reaction force (vGRFmax) and center of pressure (CoP) parameters by force plate during jump-landing. According to the clenching status of control jump-landing, all participants were categorized into a spontaneous clenching group and no clenching group, and the CoP data were compared. The masseter muscle activity was correlated with vGRFmax during anterior jump-landing, while it was not correlated with CoP. In comparisons between the spontaneous clenching and the no clenching group during anterior jump-landing, the spontaneous clenching group showed harder landing and the CoP area became larger than the no clenching group. There were no significant differences between pre-and postintervention in both spontaneous clenching and no clenching groups. The effect of teeth clenching on dynamic balance during jump-landing was limited.Keywords: dynamic balance, teeth clenching, ground reaction force, center of pressure, electromyogramTeeth clenching is performed in a voluntary manner by the contraction of mandibular muscles. These muscles receive innervation from the motor area of the cerebral cortex, the same as skeletal muscles of the limbs.1 Recently, it has been reported that chewing activity has a positive effect on attention, mood improvement, and stress relief.2,3 Moreover, positive correlation between muscle strength of the skeletal muscles and teeth clenching was reported. Sasaki et al 4 reported that teeth clenching force had a positive correlation with isometric gastrocnemius muscle strength. A number of studies have demonstrated that voluntary teeth clenching facilitated the H-reflex in both the agonist and antagonist muscles of the lower limb, [5][6][7][8][9] suggesting that teeth clenching contributed to stabilization of body orientation by strengthening the skeletal muscles of the limb.There were also several reports that confirmed the oral motor activity relations on postural control, 10-15 revealing the superior effect of teeth clenching on body balance control against body sway. However, these pieces of research were subjected to static balance, and there were few reports that investigated the effect of teeth clenching on dynamic balance.Stabilization of dynamic balance is important for sport activity and injury prevention. Although the effects of teeth clenching on sport performance and injury prevention were investigated in several pieces of research, 16-18 they remain controversial. Additionally, the subsequent occlusion status (presence and force of teeth clenching) in various sports is also unknown. In this study, we investigated the occlusion status and the effect ...

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Relationship between static and dynamic balance abilities in Italian professional and youth league soccer players

Cited by 62 publications

References 20 publications

Time series of ground reaction forces following a single leg drop jump landing in elite youth soccer players consist of four distinct phases

Time series of ground reaction forces following a single leg drop jump landing in elite youth soccer players consist of four distinct phases

Relationship between core stability, dynamic balance and jumping performance in soccer players

The Effect of Teeth Clenching on Dynamic Balance at Jump-Landing: A Pilot Study

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