Abstract
The research problem was identified in comparing a number of knee joint injuries between outdoor and indoor soccer players. research aimed to: identify knee joint injuries suffered by outdoor football players, And identifying knee joint injuries that futsal players are exposed to, A comparison of the number of knee joint injuries between outdoor and indoor soccer players.research sample consisted of (121) outdoor players (27.3%) and (60) indoor players (23.44%) from the research community. They were chosen intentionally from those with injuries. The knee joint, researchers used Arab and foreign sources and references and an open questionnaire as methods and tools for research And data was processed statistically using percentages, and the following conclusions were reached: Indoor soccer players are more susceptible to or suffer from cruciate ligament tear, joint cartilage tear, and medial ligament tear of the knee joint compared to outdoor soccer players. And outdoor soccer players are also more susceptible to or suffering from a lateral ligament tear and a fracture of the patella of knee joint compared to indoor soccer players.
