Participants: Fifteen collegian soccer players (height: minu
173.07 ± 7.81 m; mass: 67.60 ± 8.73 kg; age: 24.73 ± 4.59
years; experience: 7.27 ± 2.09) were tested as part of their
athletic training program. All subjects who had no history
of major lower limb injury or disease, volunteered to
participate in this study. The university institutional postt
review board gave approval for all procedures. Subjects
were required to report to our research laboratory to read
and sign a medical questionnaire and an informed
consent.