1. Department of Health and Life Sciences, Department of Clinical Physiotherapy, Faculty of Physical Education, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland
2. Cathedral and Clinic for Orthopaedics and Traumatology, Medical University of Gdansk, 80-210 Gdansk, Poland
3. Division of Bioenergetics and Physiology of Exercise, Medical University of Gdansk, 80-210 Gdansk, Poland