postUroGraphy 11, 12
Postural control was measured using the Tetrax interactive balance system (Tetrax, Ramat Gan, and Sunlight Medical, Tel Aviv, Israel). This method is based on the assessment of vertical pressure fluc- tuations on four independent force plates, each placed beneath the two heels and toe parts while the subject is standing in an upright position. The analysis software assesses four basic parameters ob- tained by standing in eight positions. Intensity of sway is measured