Physical Activity Measured with Accelerometer and Self-Rated Disability in Lumbar Spine Surgery: A Prospective Study [featured_image] Download Download is available until [expire_date] Version Download 28 File Size 222.16 KB File Count 1 Create Date June 14, 2018 Last Updated December 12, 2019 Physical Activity Measured with Accelerometer and Self-Rated Disability in Lumbar Spine Surgery: A Prospective Study