fresh semen obtained from infertile men occasionally exhibits the total absence of motile sperm (100%asthenozoospermia). vitality tests may reveal that a proportion of the immotile sperm has functional membranes, which are considered viable. an easy test for the prior determination of sperm viability may assist in sperm selection for the microinjection of oocytes. the main objective of this stu...

For young adults, balance is essential for participation in physical activities but is often disrupted following lower extremity injury. Clinical outcome measures such as single limb balance (SLB), Y-balance (YBT), and the single limb hop and balance (SLHB) tests are commonly used to quantify balance ability following injury. Given the varying demands across tasks, it is likely that such outcom...

the purpose of this study is to investigate the effect of physical activity onmemory and dynamic balance of elder people. subjects (n=15) were selected asvolunteers. the intervention was performed in an eighteen session period, threetimes a week (each session, 45 minutes). yoga training was performed for mentalrelaxation. wexler test was performed for memory evaluation. seat up test wasused to ...

Purpose: To assess the reliability of neurocognitive and functional performance tests in athletes with and without functional ankle instability (FAI). Methods: In this methodological study, 20 athletes with unilateral functional ankle instability (mean age [SD]: 23.40[2.58] y; mean height[SD]: 1.77[0.11] m; mean weight[SD]: 67.00[13.18] kg) and 20 uninjured athletes (mean age[SD]: 23.05[2.72] ...

the aim of the present study was to investigate and compare the effects of twokinds of motivational and instructional self–talk on the performance of static anddynamic balance tasks in the elderly. for this purpose, 45 old subjects agedbetween 60 and 70 from qom province participated in this study. static balancetask (stand on one leg) and dynamic balance task (sebt test) were instructed withno...