man cracking his knuckles on green background

---

Size: 6000px × 3019px
Location: indonesia
Photo credit: © syahrir maulana / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: addicted, adult, arm, background, bone, casual, communicate, communication, concept, conversation, crack, deaf, disability, finger, gesture, gesturing, habit, hand, hands, human, knuckle, knuckles, language, lifestyle, male, man, nervous, nonverbal, orthopaedic, people, person, pop, popping, positive, press, pressure, relief, set, sign, snap, snapping, sound, suffer, suffering, symbol, tension, white, woman, young, youth