262 students from a junior high school in Greece completed an online survey about their participation in physical activities. The survey found that: 1) 41.38% of students exercise 3-5 times per week, while 34.48% exercise more than 5 times per week. 2) 67.30% of students enjoy participating in physical activities most of the time. 3) Remarkably, boys in the first grade reported that physical activity helps them release tension totally, while girls in the first grade did not report the same level of stress relief.