Facilitation of erector spinae with arm abduction remains evident in the lying posture when spinal postural stabilization mechanisms are presumably reduced. Similar facilitation profiles have been seen previously with changing voluntary activation of erector spinae in a trunk extension task, supporting the notion that during arm abduction the drive to the contralateral erector spinae has a corticospinal origin.
This study shows good results with regard to postoperative hydrocoele rates. The preservation of the lymphatic supply ensures adequate lymphatic drainage, therefore, minimizing the risk of developing a hydrocele postoperatively. The risk of persistent varices, compared to the traditional en-masse technique, is a source of concern and requires further study.
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