This comprehensive guide explains pressure injuries as wounds developing from prolonged pressure that reduces blood flow to skin. It identifies common development sites including bony prominences like heels, hips, and shoulder blades, and outlines risk factors such as age, poor nutrition, reduced mobility, and incontinence. The resource provides detailed prevention strategies including regular repositioning, proper skin care, appropriate clothing, and pressure-relieving surfaces. It offers specific positioning techniques for chairs and beds, emphasizing weight shifting every 15-20 minutes when seated and turning every 2 hours in bed, plus guidance on managing existing pressure injuries.