Roller speed skating is a discipline similar to hockey and ice skating from a biomechanical point of view. but there are no specific functional protocols for rehabilitation and performance improvement for these athletes. The aim of the study is to create a dedicated functional. kinematic and electromyographic protocol to be used as a tool for future studies on the subject. https://www.parisnaturalfoodes.shop/product-category/lions-mane-mushroom-extract/