Case reports and case studies: a discussion of theory and methodology in pocket format.

Issues of the theory and methodology of case reports and case studies have been presented. Examples of applications of techniques used in the rehabilitation of the upper extremity conclude this report in pocket format on the theory and methodology of case reports and case studies. Case reports and studies enhance our knowledge about practice in ways that are unique to each case, which are not possible when investigations are performed through group comparison. Case inquiries help us share our practice, sharpen our theoretical reasoning, develop our good habits of applying reliable and valid measurements, and above all help us explore and discuss our treatments.