What is the functional purpose of Musubi Dachi beyond a simple 'attention stance', and how does it prepare the body for subsequent action?

Beyond being a simple 'attention stance,' Musubi Dachi serves the functional purpose of establishing a balanced and centered posture that allows for efficient transition into various subsequent movements. While Musubi Dachi, with feet angled outward at 45 degrees, is often used as a starting position for formal e....