Sex - examinee group
1 = male
2 = female

Side of the body - examinee
1 = right knee
2 = left knee

Profesional or recreational? - examinee
0 = recreational
1 = professional

Type of sport - examinee
1 = basketball
2 = soccer
3 = Handball
4 = volleyball
5 = track and field activity

Side of the body - control
1 = right
2 = left

Type of sport - control
1 = Basketball
2 = Soccer
3 = Handball
4 = volleyball
5 = Track and field activity