Chuna pain experience: ① soft tissue Chuna: gentle, relaxing (no pain), ② joint mobilization: mild stretching sensation, ③ joint manipulation (HVLA): brief click sensation, no pain, ④ severe disc patients may feel slight discomfort initially, ⑤ post-treatment: mild soreness for 24 hours possible. Doctor adjusts technique to patient comfort. Compare to deep tissue massage or chiropractic care. Most patients describe as 『comfortable』 or 『relieving』.