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Concentric plantar flexor torque deficits in female athletes with functional ankle instability
, , ,
Volume 10, Issue 4 (10-2012)
Abstract

After an ankle injury, residual symptoms can followed to recurrent sprain in
physical activity and 30% of its lead to functional ankle instability (FAI)
Therefore, the aim of this study was to examine the isokinetic concentric and
eccentric torque measures of the ankle musculature to body weight in female
athletes with and without FAI.30 female athletes, who play in pro league of
Tehran, participated in this descriptive study. Participants were assessed using
questionnaire and clinical tests. Isokinetic measurement speed for inversion and
eversion was 60 and plantar flexion and dorsi flexion was 120 degree/
second.Data were analyzed by independent T- test.The results indicated a
significant difference in peak torque of concentric plantar flexor to body weight
in FAI and healthy groups (P<0.05).Therefore, concentric plantar flexion may be
an important contributing factor to FAI; this finding could also lead to more
effective protocols in the treatment and rehabilitation of FAI


The Effect Of Using Silver And Zinc Oxide Nanoparticles Clothing On The Physiological Responses And Sport Performance Of Active Women
Masomeh Aghazadeh, Sakineh Aminnezhad,
Volume 22, Issue 27 (8-2024)
Abstract
One of the ways to optimize sports activities is the use of nanotechnology. Silver and zinc oxide nanoparticles have valuable effects in improving sports performance of athletes. The purpose of this research was to investigate the effect of clothes containing silver and zinc oxide nanoparticles on the physiological responses and sports performance of female athletes. The statistical population of the research was women active in public sports in Maku city. The sample size was selected by random method and 10 female athletes (with an average age of 25.9, an average weight of 60 kg and a body mass index of 25.49) were selected. The effect of the treatments (sports activity with and without nano clothes) on endurance, moisture absorption, bacterial removal, systolic and diastolic blood pressure and heart rate of the athletes were investigated. The results showed that the use of clothes containing silver and zinc oxide nanoparticles increases their endurance. These clothes lead to an increase in bacteria removal in them. The clothes containing these nanoparticles were effective in reducing their blood pressure. It also improved moisture absorption in female athletes. In general, clothes containing silver nanoparticles and zinc oxide nanoparticles have an effect on reducing the physiological responses and sports performance of female athletes.

 
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