Institute Superieur Du Sport Et Of Leducation Physique Du Kef

El Kef, Tunisia

Institute Superieur Du Sport Et Of Leducation Physique Du Kef

El Kef, Tunisia

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Hammami R.,Center National Of Medecine Et Des Science Du Sport Cnmss | Hammami R.,Institute Superieur Du Sport Et Of Leducation Physique Du Kef | Chaouachi A.,Center National Of Medecine Et Des Science Du Sport Cnmss | Bouafif N.,Institute Superieur Du Sport Et Of Leducation Physique Du Kef | And 2 more authors.
Science and Sports | Year: 2012

Objective: To study the hamstring injuries effects on static balance in elite Tunisian sprinters and jumpers. Methods: A group of eight elite athletes including sprinters and jumpers with previous hamstring injuries were compared to a control group of non-injured athletes (n=8). The postural assessment was made on a platform Neurocom ® Balance Master and contained tests estimating the control of the static balance. Results: Our investigation showed that except the eyes closed unstable surface condition (P<0.04), there are no significant differences in the weight-bearing distribution between groups in postural stability. A significant difference in distribution between groups was observed (P<0.001). Conclusion: The completion of an unusual and unstable task modified the static balance of our athletes demonstrating the possible influence of a muscle weakness or a joint limitation. It is recommended to include postural assessment to asses balance deficits to guide treatment, training and to prevent the risk of muscle damage. © 2012 Elsevier Masson SAS.


Hammami R.,Center National Of Medecine Et Des Science Du Sport Cnmss | Hammami R.,Institute Superieur Du Sport Et Of Leducation Physique Du Kef | Chaouachi A.,Center National Of Medecine Et Des Science Du Sport Cnmss | Ben Achour Lebib S.,Institute National Dorthopedie M Kassab | And 2 more authors.
Science and Sports | Year: 2011

Purpose: To study the isokinetic knee strength profile in elite sprinters and jumpers with recurrent hamstring injuries. Method: A group of eight elite athletes including sprinters and jumpers with previous hamstring injuries were compared to a control group of non-injured players (n=8). The concentric isokinetic knee flexion and extension strength was assessed at 60, 120 and 180°/s using a Biodex ® System 3 dynamometer. Results: There were no significant differences for any of the isokinetic variables comparing the injured and the non-injured athletes except for the hamstring to quadriceps ratio, which is lower in the control group. No significant difference was observed between the dominant and the non-dominant leg for the two groups. Conclusion: Isokinetic muscle strength testing allows to detect the existence of a strength deficit after a hamstring injury during sports practice. Additional eccentric tests may be required to identify these cases. © 2010 Elsevier Masson SAS.

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