Fig. 1From: Objective evaluation of postoperative changes in real-life activity levels in the postoperative course of lumbar spinal surgery using wearable trackersPercentage change before and after surgery. Activity amount was significantly lower at 1 month after the surgery compared to the other time points. In addition, at 6 and 12 months postoperatively, the amount of actual activity improved significantly compared to the baseline. BL, baselineBack to article page