Anatomy of the Flexed Arm: Biceps and Forearm Muscles Explained #3354707 (License: Personal Use)

This black-and-white line illustration depicts a human arm in full flexion at the elbow, emphasizing the biceps brachii, brachialis, and forearm flexor muscles. The drawing highlights muscle contours and tendon insertions to convey functional anatomy without distraction. It serves as an educational tool for understanding upper limb kinesiology and muscular engagement during resistance exercises.

Commonly used in fitness, physical therapy, and anatomy education resources to illustrate muscle activation during curling movements; matches user intent for learning biomechanics or designing workout guides.