This document discusses Porter's five forces model of competition and its application to strategic business analysis in healthcare. It provides an overview of the five competitive forces - threat of new entrants, threat of substitutes, bargaining power of buyers, bargaining power of suppliers, and rivalry among existing competitors. It then expands on each force, outlining the key factors that determine the level of competition from each. These include entry barriers, bargaining leverage, price sensitivity, and factors that influence rivalry such as industry growth and concentration. The document also mentions several other strategic analysis frameworks and tools that can be used as part of a broader strategic planning and market analysis process.