Frontal-inclination illustration: a barbell viewed head-on that tilts so the right end rises for a positive angle ("positive = right up"). A dashed level line and an accent arc between it and the bar visualise the tilt.
Frontal-inclination illustration: a barbell viewed head-on that tilts so the right end rises for a positive angle ("positive = right up"). A dashed level line and an accent arc between it and the bar visualise the tilt.