Journal Information
Vol. 45. Issue 167.
Pages 161-168 (July - September 2010)
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Vol. 45. Issue 167.
Pages 161-168 (July - September 2010)
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Between limb differences during static balance tests with and without permanent ligament loosening
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Laura Martín-Casadoa,
Corresponding author
laura.martincasado@uclm.es

Autor para correspondencia. laura.martincasado@uclm.es
, Juan Avendaño-Coyb, José Luis López Elvirac, José Manuel Fernández Rodríguezb, Luis M. Alegred, Xavier Aguadod
a Facultad de Ciencias del Deporte, Grupo de Biomecánica Humana y Deportiva, Universidad de Castilla-La Mancha, Toledo, España
b Escuela Universitaria de Enfermería y Fisioterapia, Grupo de Biomecánica Humana y Deportiva, Universidad de Castilla-La Mancha, Toledo, España
c Centro de Investigación del Deporte, Grupo de Investigación en Comportamiento Motor, Universidad de Miguel Hernández, Elche, España
d Facultad de Ciencias del Deporte, Grupo de Biomecánica Humana y Deportiva, Universidad de Castilla-La Mancha, Toledo, España
Article information
Abstract
Statistics
Objective

The purpose of this study was to analyse within subject differences in a number of static balance tests, performed during monopodal stance.

Material and methods

The tests were carried out comparing the ankle with a previous lateral ligament injury (with permanent ligament loosening) and the one without ligament loosening. Fourteen volunteer subjects were recruited for the study (6 women and 8 men), all of them physically active, with a mean age of 19.9±3.8 years. The measurements included the ankle range of motion (static and passive), and the path of the centre of pressures during a monopodal balance test on a force platform (60s last), in three different conditions: on the platform, on a foam pad and during the application of electrical stimulation on the tibialis anterior muscle. All the measurements and tests were applied on both legs, injured and uninjured.

Results

The anterio-posterior path of the centre of pressures was greater in the previously injured limb in the test on the foam pad (injured=60.9±14.3mm; uninjured=51.8±9.5mm) (p <0 05 the mean position of centre pressures in injured limb was more medial during three tests p <0 05 and more posterior in the test on foam pad p <0 01 in the test with electrical stimulation total path of centre pressures injured="51.6±15.1mm/s;" uninjured and its average velocity were significantly greater limb p <0 05

Conclusions

When the tests became more challenging, the differences between injured and uninjured limbs were greater. The position of the injured extremity was more medial and posterior during the static tests.

Apunts Sports Medicine

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