【Spine Force Demonstration】 Effectively illustrates spinal stress during correct and incorrect lifting techniques, helping users understand posture-related strain and injury risks through visual comparison. Manual operation demonstration. Making it easy to teach, learn, or reference how to protect the spine during weightlifting, fitness, or daily heavy lifting tasks. 【Safe & Long-Lasting Material】 Crafted from eco-friendly PVC that is washable, and corrosion-resistant. ensure sturdiness and safety. —ideal for repeated classroom use and long-term educational value. 【Practical & Precise: The model has an accurate anatomical structure, making it a practical aspect, figure model for demonstrating effects of correct and incorrect lifting techniques on the spinal column 【Clear Biomechanical Visualization】 Shows how spinal force shifts under different lifting postures, promoting ergonomic awareness and proper lifting habits in health education. Use as a school teaching aid or spinal learning tool for anatomy classes. 【Versatile Teaching Tool】Widely used in schools, clinics, anatomy classes and health exhibitions—also suitable as a collectible for medical enthusiasts. Gyms: Guide enthusiasts on safe weightlifting to prevent spinal injuries.