Fig. 1From: The association between pelvic asymmetry and non-specific chronic low back pain as assessed by the global postural systemPhotos with different views taken by the GPS. a front view; b right lateral view; c back view; d left lateral view. Keys: AD - the distance between ASIS and the midline; AH - the height of the ASIS from the platform; PT- anterior pelvic tilt angle; PD - the distance between PSIS and the midline; PH - the height of the ASIS from the platformBack to article page