What are some practical applications of da Vinci's Vitruvian theory? Specifically when he is talking about how foot size and forearm length are proportional. I can't seem to think of any, please help

Da Vinci's Vitruvian theory, illustrated through the iconic Vitruvian Man drawing, explores the concept of the ideal human proportions based on mathematical principles. While foot size and forearm length being proportional is just one aspect of this theory, here are a few practical applications of understanding proportional human body measurements:

1. Ergonomics and Design: Understanding the proportions of the human body can be valuable in various fields like product design, furniture design, and architecture. By considering the relative measurements, designers can create more comfortable and user-friendly products or spaces that cater to the human body's needs.

2. Anthropometry: Anthropometry is the study of human body measurements and proportions. It has applications in a wide range of disciplines, such as forensic science, clothing design, and industrial engineering. By understanding and applying the principles of proportionality, anthropometry helps in creating better-fitting clothing, estimating age or stature from skeletal remains, and designing workstations that accommodate people of different sizes.

3. Sports Science: Understanding the ideal proportions of the human body can assist in sports training and performance analysis. It helps in identifying the biomechanical advantages or limitations based on an individual's body proportions. For example, in sports like swimming or long jump, knowing the ideal limb proportions can aid in refining techniques and maximizing performance.

4. Medical and Rehabilitation Fields: Human body proportions are also relevant in fields like orthopedics, physiotherapy, and prosthetics. Knowledge of proportionality can guide the design and customization of orthopedic braces, assistive devices, or prosthetics, ensuring optimal fit, functionality, and usability for individuals with various physical conditions.

These are just a few examples of the practical applications of understanding human proportional theory like da Vinci's Vitruvian concepts. It highlights the importance of considering human body measurements and proportions in various domains to enhance functionality, comfort, and performance.