Throughout this chapter the importance of adequate muscular strength levels for maintaining good health and well-being is discussed. As well as clearly up a few wrong preconceived notions regarding strength fitness. Defining muscular strength and muscular endurance. Being able to evaluate muscular strength and endurance, and learn to assess test results according to health and physical fitness standards. Aside from recognizing factors that affect strength, understanding the principles of overload and specificity of training for strength and development. As well as being comfortable with core strength training and realize its importance for overall quality of life. Finally Muscular Strength and Endurance is about two different strength-training programs- with and without weights.