Relationship between static and dynamic balance tests among elite Australian Footballers

Hrysomallis, Con; McLaughlin, Patrick; Goodman, Craig A.

doi:10.1016/j.jsams.2006.05.021

Cited by 75 publications

(62 citation statements)

References 8 publications

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“…Thus our results suggest that postural sway during standing and during walking are almost independent. This finding support other which showed that performance in the static balance test was not reflective of performance in the dynamic balance test (Hrysomallis, McLaughlin, & Goodman, 2006;Karimi & Solomonidis, 2011).…”

Section: Resultssupporting

confidence: 87%

Relation between knee extensors' strength, postural stability and variability of centre of pressure displacement during gait in adult women

Souza¹,

Svoboda²,

Bizovská³

et al. 2017

Acta Gymnica

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Section: Resultssupporting

confidence: 87%

Relation between knee extensors' strength, postural stability and variability of centre of pressure displacement during gait in adult women

Souza¹,

Svoboda²,

Bizovská³

et al. 2017

Acta Gymnica

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“…Moreover, COP speed was significantly larger for subjects with chronic ankle instability, than for copers and healthy controls [22]. Surprisingly, however, TTS and DPSI based on jump landing tests appeared to be uncorrelated with these COP derivatives of static single leg stance [8,23,24]. Moreover, no correlations were found between static and dynamic performance using the same outcome measures, i.e.…”

Section: Introductionmentioning

confidence: 85%

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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“…For the SG the ankle were classi ed as dominant (D) and non-dominant (ND); for the UG the ankle were classi ed as stable (E) or instable (I), despite dominance. For between groups comparison purpose the dominant ankle of the SG were paired with the unstable ankle of the UG, given that previous studies did not demonstrate signi cant di erence on COP behavior between the dominant and non-dominant lower limbs of healthy individuals [25][26] . Both groups had a training frequency of three times a week, and participated in three championship during the whole year.…”

Section: Methodsmentioning

confidence: 99%

Análise do COP e sentido de posição em jogadores universitários de futebol com e sem instabilidade de tornozelo

Neto

Castro

Crozara

et al. 2016

Rev. bras. educ. fís. esporte

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The soccer is one of the most popular sport modality around the world, with millions of practitioners of different levels, and thus, the incidence of injuries are expressive [1][2][3] . Among these injuries, the ankle sprain is the one that stands out 2, 4-5 .e ankle sprains are very common in soccer due to the demand of changes in direction performed with high velocities, after jumps and during the sprints itself 2,4,6 . ese rapid changes in direction or landing on irregular surfaces produces a large supination torque, causing the ankle to perform an excessive movement, overloading the joint and its structures, mainly the anterior talo-bular and the calcaneo-bular ligaments 7 .Repeated episodes of ankle sprains may negatively a ect the proprioception, which correspond to the perception of position and movement (i.e., synesthesia) of the body and its segments [8][9] . ese information are provided by mechanoreceptors in the muscles, tendons, skin, joint capsules and ligaments [10][11][12] .ese mechanoreceptors are sensitized by mechanics energy imposed to the joint and it is transmitted to the central nervous system by a erents impulses 13 . As a consequence to sprains, the a erent bers of the AbstractThe aim of the study was to compare the behavior of COP and passive ankle position sense in subjects with and without functional ankle instability. Took part in this study 20 subjects, divided into two groups: stable group (SG) and unstable group (UG). The COP evaluation was made with the single-leg balance test, with eyes opened and closed, on a force plate. The passive ankle position sense test was performed with subjects blindfolded. The ankle was positioned in a target angle (10° and 20°) and the dynamometer moved passively the ankle, then the subjects were instructed to push the stop button when they feel that the ankle was on the target angle, obtaining the absolute angular error (AAE). The following variables were obtained: total displacement (TD); antero-posterior (SDap) and medio-lateral standard deviation (SDml); total mean velocity (TMV); antero-posterior (MVap) and medio-lateral mean velocity (MVml). The comparison between the data with normal distribution was made with the Student's t test, while to the TD and SDml was used the Mann-Whitney test. The correlations were performed with the Pearson and Spearman tests. We adopted α < 0.05. We observed difference between AAE-10º (p < 0.05). Strong correlations were found between: AAE-10° and TMV (p < 0.01 r = -0.867); AAE-10° and MVap (p < 0.01 r = -0.854); AAE-10° and MVml (p < 0.01 r = -0.771), with eyes opened, and AAE-10° and TD (p < 0.05 r = -0.666); AAE-10º and SDap (p < 0.05 r = -0,685) and AAE-10° and MVml (p < 0.05 r= -0.766) with eyes closed. Ankle sprains harm the joint position sense without affecting the balance.

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Relationship between static and dynamic balance tests among elite Australian Footballers

Cited by 75 publications

References 8 publications

Relation between knee extensors' strength, postural stability and variability of centre of pressure displacement during gait in adult women

Relation between knee extensors' strength, postural stability and variability of centre of pressure displacement during gait in adult women

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

Análise do COP e sentido de posição em jogadores universitários de futebol com e sem instabilidade de tornozelo

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