During this period, rehabilitation emphasized functional restoration through neuromuscular optimization, leveraging early electrophysiological insights and movement-based assessment to guide therapy. Electromyography emerged as a direct window into muscle activation, enabling targeted reeducation of muscles during functional tasks. Gait analysis reframed walking as a gravity-driven translation with minimal energy cost, shaping assessment and retraining strategies. The development of standardized hand function tests and early uses of functional electrotherapy linked muscle activation with purposeful movement, and postural reduction in spinal injuries began to define initial management steps, reducing secondary complications. Collectively, the field advanced toward integrated, function-oriented rehabilitation grounded in physiology and observable outcomes. Historical Significance: This era solidified a functional neuromuscular approach as the core of rehabilitation, bridging physiology, biomechanics, and clinical practice. It established a framework where muscle function, posture, and movement patterns could be evaluated and improved through objective measures and device-assisted interventions. The period's breakthroughs—electromyography-guided reeducation, gait-focused paradigms, standardized assessment, and early stimulation strategies—paved the way for modern neurorehabilitation and musculoskeletal rehabilitation, shaping protocols that persisted across subsequent decades.