title: Letter reply.
authors.affiliation: Senior Lecturer, Physiotherapy Group, University School of Physical Education in Wroclaw, Wroclaw, Poland; Physiotherapy Institute, Public Higher Medical Professional School in Opole, Opole, Poland.
authors.forename: Krzysztof
authors.initials: K
authors.lastname: Kassolik
authors.affiliation: Assistant Professor, Physiotherapy Group, University School of Physical Education in Wroclaw, Wroclaw, Poland; Physiotherapy Institute, Public Higher Medical Professional School in Opole, Opole, Poland.
authors.forename: Waldemar
authors.initials: W
authors.lastname: Andrzejewski
authors.affiliation: Assistant Lecturer, Physiotherapy Group, University School of Physical Education in Wroclaw, Wroclaw, Poland.
authors.forename: Iwona
authors.initials: I
authors.lastname: Wilk
authors.affiliation: Assistant Professor, Family Medicine Department, Wroclaw Medical University, Wroclaw, Poland; Nursing Institute, Public Higher Medical Professional School in Opole, Opole, Poland. Electronic address: dkurpas@hotmail.com.
authors.forename: Donata
authors.initials: D
authors.lastname: Kurpas
mesh_terms: D059350:Chronic Pain / Q000534:rehabilitation*; D005260:Female; D006801:Humans; D008297:Male; D008405:Massage / Q000379:methods*; D010147:Pain Measurement; D016059:Range of Motion, Articular / Q000502:physiology*; D020069:Shoulder Pain / Q000534:rehabilitation*