Injections for SMA segmentation by Application reveals distinct therapeutic and preventive roles. The Symptomatic Treatment segment, representing 65% of the market, focuses on mitigating spasticity, pain, and muscle stiffness in SMA patients. This category drives demand through short-term, high-frequency administration protocols, particularly in adult SMA populations. Conversely, the Prophylactic Use segment (35%) targets early intervention in pediatric SMA cases, leveraging long-term disease-modifying therapies to delay symptom progression. These applications differ in clinical endpoints, dosing regimens, and reimbursement models, with prophylactic treatments often requiring robust patient monitoring systems. The segmentation underscores the market's dual focus on acute symptom management and chronic disease prevention, with regulatory approvals and clinical trial outcomes directly influencing each segment's growth trajectory.