Cracking joints, including the neck, occurs due to gas bubbles releasing in the synovial fluid. While occasional cracking is harmless, excessive cracking may indicate joint issues or misalignment.

Medically reviewed by Laura Campedelli, DPT Cracking your neck isn't necessarily "good" or "bad"—it depends on how you do it. Popping sounds that occur when you move a certain way or cracking when you ...