Explore the fundamentals of muscle physiology, focusing on how muscles respond and adapt to different stretching techniques. Discuss the structure of muscle fibers, tendons, and ligaments, and how these elements work together to support flexibility. Highlight the neural aspects of muscle response, particularly proprioception, and its importance in preventing injuries. Connect these physiological insights to practical applications in exercise, emphasizing the benefits of informed stretching routines. Conclude with how this understanding can enhance athletic performance and overall health.