The purpose of thesis is to independently describe and analyze various assumptions upon which arises the liability to damages according to regulation in OZ. The emphasis is being placed particularly on damage to health and associated claims, i.e. compensation for pain and social impairment. A substantial part is devoted to the method and amount of compensation, particularly with regard to the adoption of a new concept, which is to be indemnified loss in full accordance to the principles of decency, if case it cannot be determined otherwise. In addition, it was necessary to deal with other non-pecuniary injuries which include injuries caused by mental distress. The thesis is, besides introduction and conclusion (the first and fifth chapter), composed of three main chapters. The second chapter is devoted to the relationship between two seemingly independently existing phenomena of recent time, and those are law and sport. First, it defines the concept of sport through its characteristics, which is followed by the actual relationship between law and sport. Further, the thesis describes a problematic existence of the branch of Sports law. The third chapter reports on the institute of legal liability under the laws of the Czech Republic, first in general, then specifying the liability arising from...