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RESEARCH PRODUCT

Influence of rigid taping on the acromiohumeral distance in healthy recreational weightlifters

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BackgroundSubacromial pain syndrome is one of the most frequent injuries in overhead athletes, and it takes place when the acromiohumeral distance (AHD) is narrowed. Conservative treatment is the first approach to this syndrome, being shoulder taping one of the most used techniques. Although there are quite a few studies that analyse the effect of taping on the AHD, most of them do not include sham tapings. This study aimed to examine if the Relocation of the humeral head (RHH) taping produced an increase in the AHD in healthy recreationally weightlifter males, quantifying the change that may be due to a placebo effect.MethodsThe design of this study was a two-group pretest-posttest, in which eighteen healthy recreationally weightlifter males were measured. in a laboratory of the University of Valencia. RHH using rigid or sham taping was randomly applied to the participants. The AHD was measured and registered before and after the application of the taping for both groups by a blinded examiner using ultrasound.ResultsThere were no significant differences between pre and post measures in the sham group (p= 0.51). The experimental group showed a significant AHD increase of 9.2% (10.75 ± 1.89vs11.74 ± 1.82, respectively, withp< 0.001). Significant differences in the effects of each taping on the AHD were found between groups (p< 0.001). The results of this study indicate that the RHH rigid taping increases the AHD in the shoulders of recreationally weightlifters, dismissing the possibility of a placebo effect of the taping.