The document discusses analyzing sports performance through observation. It states that the first step is to observe from the best viewpoint, whether from the side or grandstand. When observing, one should break down skills into components, such as body position, leg action, and arm action for swimming. For invasion games, one can analyze attack and defense separately. The document also discusses looking at forced and unforced errors in racket sports. Analyzing the performance of experts on television or in newspapers can provide lessons. When observing, one should look at strengths, weaknesses, results, ways to improve skills, fitness, utilizing talents, and teamwork.