Personalized Physical Back Training Program to Improve Physical Functioning in People with Non-specific Low Back Pain: a Feasibility Study

Inclusion Criteria: Individuals who * have access to the University Sports of the Lucerne Universities (i.e., students, employees, alumni, subscribers), * report NSLBP for at least 6 weeks (e.g., no upper limit of pain duration), * report activity limiting NSLBP (i.e., at least one activity with a PSFS Score of ≤ 5/10 on a scale from 0 = unable to perform due to NSLBP to 10 = able to perform at the same level as before NSLBP), * identify NSLBP as their primary musculoskeletal complaint, * are between 18 and 65 years of age, * understand the German language, * are willing to participate in the study (i.e., adhere to a 4-week intervention), * and provide written informed consent. Exclusion Criteria: Individuals who … * have been diagnosed with specific LBP (e.g., fractures, carcinoma, anomalies, nerve root affection with neurological signs such as sensitivity or reflex loss, muscle weakness, or radicular pain below the knee), * report red flags associated with any serious pathology or specific LBP (e.g., major trauma of the back, unintended weight loss, saddle anaesthesia, changes in bowel or bladder function associated with LBP, progressive lower extremity neurologic deficits, fever), * are less than 12 months post-surgery following any surgery on the lower back, * are on a waiting list for any surgery on the lower back, * are pregnant or have given birth within the last 12 months, * are planning to become pregnant in the next 12 months, * have diagnosed peripheral and/or central neurological disease, * have diagnosed psychological and/or psychiatric condition, * have diagnosed chronic toxic substances abuse (i.e., drugs, alcohol), * take specific medication (i.e., neuroleptics, sedatives, anti-epileptics, antidepressants), * are not allowed to exercise during the intervention period (e.g., on medical advice, due to a health-related condition), * or are expecting to be absent more than 2 weeks during the training intervention period.