Proper Lunge Form Guide - Standing vs. Lunge Posture Comparison #3581317 (License: Personal Use)

This black-and-white silhouette illustration contrasts two human postures: full upright standing and a deep lunge position. The lunge demonstrates ideal biomechanics-front knee aligned over the ankle, back knee lowered toward the floor without touching, and torso maintained vertically. It serves as a clear visual aid for understanding lower-body strength training fundamentals.

Used on fitness blogs, physical therapy sites, or workout apps to teach proper lunge execution; matches user intent for learning exercise form, injury prevention, or home workout guidance.