Abstract
Objective To provide an objective assessment of the immediate effect of bladder lift manipulation on the pain threshold of the tibialis anterior trigger point (TATP) and fifth lumbar spinous process (5LSP). Material and methods An experimental, controlled, simple randomized, single-blind study was conducted on a sample of 86 patients (two groups of 43 patients), male (44) and female (42), aged 20 to 60. The criteria for patient inclusion was the presence of a painful area located in a palpable taut band in the tibialis anterior (TA) muscle with ankle instability and pain in the 5LSP. Subjects in the experimental group (EG) were treated with a bladder lift maneuver, while patients in the control group (CG) were treated by pumping manipulation of the right thumb trapeziometacarpal joint (TMJ). Pain thresholds in the TATP and 5LSP were measured in both groups, both before and after manipulation. The measurement recorded for both groups were subjected to statistical analysis with SPPS 17.0, performing Kolmogorov Smirnov test, Student t Test and correlation study (Pearson r correlation coefficient). Results The results of statistical analysis showed that pain threshold was significantly reduced in the EG ( P<.05) with respect to the CG, as determined by pre- and post- intervention measurements on a Visual Analogue Scale (VAS). No significant changes in pain threshold ( P>.05) were found. A Digital Pressure Algometry (DPA), performed both in the EG and the CG, showed a significant change in pain threshold ( P<.05), with a negative value for the CG. Statistics “p” values were similar for the TATP and 5LSP. A correlation study (Pearson r correlation coefficient) confirmed the results obtained. Conclusions The results of the statistical analysis confirmed our hypothesis: bladder lift manipulation causes pain threshold changes in the TATP and 5LSP immediately after the maneuver.
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