Assess learners' ability to analyze biomechanical and ergonomic contributors to lower back pain in office workers, covering static and dynamic sitting posture, lumbar load, chair and workstation design, movement patterns, task duration, individual and psychosocial risk factors, practical assessment methods (observational checklists, posture analysis, self-report), interpretation of findings, and formulation of evidence‑based ergonomic and behavioral interventions for case scenarios.