This document discusses Guillain-Barré syndrome (GBS), including its definition, clinical features, assessment scales, and phases. It defines GBS as an acute/subacute symmetrical motor neuropathy involving more than one peripheral nerve. The phases of GBS are described as the acute, plateau, and recovery phases. For each phase, goals of physical therapy and examples of interventions are provided, such as chest physiotherapy, positioning, stretching, and strengthening exercises to address weaknesses and functional limitations during the different stages of GBS.