Plank Workout Guide: Full, Elbow, and Side Plank Variations #3652586 (License: Personal Use)

This instructional illustration demonstrates correct alignment and muscle engagement for three foundational plank exercises: the full plank (on hands), elbow plank (forearm support), and side plank (lateral core activation). Arrows indicate key areas of muscular effort, including shoulders, core, glutes, and legs, helping users maintain optimal posture and avoid common mistakes like sagging hips or raised shoulders.

Used in fitness blogs, workout guides, and physical therapy resources to teach core stabilization techniques; targets users searching for “plank variations,” “core exercises for beginners,” or “how to do a proper plank.”