Hand Fist Gestures Diagram - Anatomy and Usage Guide #2361259 (License: Personal Use)

This black-and-white line illustration displays three progressive fist configurations used in martial arts, self-defense training, and biomechanics education. The first shows a relaxed grip with fingers loosely curled; the second is a neutral clenched fist with thumb over index/middle fingers; the third emphasizes knuckle alignment for impact delivery. Each pose highlights muscle engagement, joint positioning, and functional intent.

Used on fitness, martial arts, or anatomy websites to teach proper fist formation, prevent injury, or illustrate hand mechanics; matches user intent for visual learning, technique refinement, or instructional content.