Human Leg Anatomy Diagram - Muscle Structure & Undergarment Fit #3854567 (License: Personal Use)

This black-and-white line illustration depicts the anterior view of human lower limbs, emphasizing major muscle groups such as quadriceps, hamstrings, and calves. The figure wears brief-style undergarments, indicating anatomical landmarks relevant to garment engineering, physiotherapy, or body modeling. Curved contour lines suggest volume and form without shading, making it suitable for instructional diagrams or UI icons.

Commonly used in health education, fitness apps, apparel design guides, or medical textbooks to illustrate lower-body anatomy and proper fit considerations; matches user intent for visual learning or product development reference.