Clinical meaning
Patient positioning is a fundamental nursing skill that directly impacts patient safety, comfort, respiratory function, skin integrity, and therapeutic outcomes. Proper positioning requires understanding of body alignment, center of gravity, base of support, and the biomechanical principles that guide safe patient handling and movement. Body mechanics refers to the coordinated effort of muscles, bones, and the nervous system to maintain balance, posture, and alignment during movement; the practical nurse must apply ergonomic principles to protect both the patient and themselves from injury. Key therapeutic positions include: supine (dorsal recumbent -- flat on back, used for physical examination, spinal immobilization, and post-lumbar puncture), Fowler positions (high Fowler 60-90 degrees for respiratory distress and eating, semi-Fowler 30-45 degrees for post-operative care and tube feeding, low Fowler 15-30 degrees for comfort), lateral (side-lying -- for unconscious patients to maintain airway, pressure relief, and administration of rectal medications or enemas), prone (lying face down -- used for ARDS patients to improve oxygenation, post-spinal surgery), Sims position (semi-prone -- for rectal examination and enema administration), Trendelenburg (head lower than feet -- for shock management, central line insertion), reverse Trendelenburg (head higher than feet -- for obese patients during intubation, reducing intracranial pressure), and lithotomy (supine with legs in stirrups -- for gynecological and urological procedures). The practical nurse must assess the patient's condition, surgical site, respiratory status, and hemodynamic stability before positioning and reposition immobile patients at minimum every 2 hours to prevent pressure injuries.