Fig. 1 Changeable nature of PHs



Fig. 2 Various differences of the skin over the PHs



Fig. 3 Location of palpable hardenings



Fig. 4 Relations between symptoms and PHs



Fig. 5 Importance of PHs, Usefulness of PHs



Fig. 6 Location of PHs, Aps, Rps and Rps



Fig. 7 Preference of site of stimulation



Table1 Questionnaire about palpable hardenings