Comparison of the fake effect among non-penetrating acupuncture devices and real acupuncture

INTERVENTION: Device H02.004 HP3.073.433.101 The study will include 14 groups with 25 subjects in each, totaling 350 subjects, and the procedure of acupuncture or sham acupuncture is performed only once for 30 minutes. The application procedure of acupuncture or placebo will happen bilateral E25 in point (next to the navel) in 7 groups and B52 point (the level of the L2 vertebra) in the other seven groups. Verum Group acupuncture point on E25: will hold the standard procedure of acupuncture with conventional acupuncture needles in 25 subjects in E25 point, each subject will receive once the procedure for 30 minutes. Group B52 in verum acupuncture point, will carry out the standard procedure of acupuncture with conventional acupuncture needles at point B52 in 25 subjects, each subject will receive once the procedure for 30 minutes. Group Park the E25 point: will use a sham acupuncture device developed by park employees and 25 volunteers in the E25 point. Group Park the point B52: will use a sham acupuncture device developed by park employees and 25 volunteers at the B52 point. Group foam needle + E25: will use an adhesive foam on the E25 point in 25 volunteers, but as the park group, no penetration and the subjects remain 30 minutes as in the actual procedure. Group foam needle + B52: will use an adhesive foam on the B52 point in 25 volunteers, but as the park group, no penetration and the subjects remain 30 minutes as in the actual procedure. The group insertion and withdrawal E25: will insert a normal acupuncture needle in 25 subjects in the E25 point, and immediately remove this needle also remaining for 30 minutes in all to simulate the actual procedure. The group insertion and withdrawal B52: will insert a normal acupuncture needle in 25 subjects in B52 point, and immediately remove this needle also remaining for 30 minutes in all to simulate the actual procedure. Acupuncture Verum Group Sham + Park E25: This group will be used for the right side of point E25 real acupuncture needles and E25 point on the l CONDITION: C05.651.542 C10.597.617.232.400 F02.463.593.710.560 M00‐M99 Threshold of pain, back pain, myalgia ; F02.463.593.710.560 ; C10.597.617.232.400 ; C05.651.542 PRIMARY OUTCOME: Significant difference in surface perception measured by esthesiometry and deep, using algometry, the placebo group compared to the real acupuncture group SECONDARY OUTCOME: Subjects who go placebo acupuncture, will indicate the revaluation questionnaire underwent a false procedure 50% more than the subjects who received acupuncture real INCLUSION CRITERIA: Healthy individuals; both sexes; that and understand Portuguese; no previous experience with acupuncture; without sensitivity to change; which has not undergone surgery in the last 6 months.