This course introduces a dynamic movement assessment (a.k.a. dynamic postural assessment), known as the Overhead Squat Assessment (OHSA). This assessment is also referenced as the OSA, OHSA, squat assessment, and overhead squat in various publications. Further, it is similar to the deep squat assessment of the Functional Movement Screen. With this assessment, a professional can quickly identify reliable signs correlated with movement impairments, including altered shoulder mobility, scapula dyskinesis, altered core strength, hip mobility, knee joint alignment, and/or ankle mobility. Note, additional assessments can be added to measure improvements (continuous interval measures), measure range of motion (ROM), identify altered recruitment patterns, muscle imbalances (muscle overactivity or muscle under-activity), loss of muscle strength, or increased joint stiffness (e.g. goniometry, muscle length tests, manual muscle testing , and passive accessory motion examination ).