Many factors beyond pain and physical capabilities can moderate the performance of functional abilities in real life (ability to work, take care of oneself and enjoy leisure), or those observed in functional capacity evaluations. Psychological factors have a strong relationship to functional abilities and can significantly affect results of functional capacity evaluations and job performance. Therefore, psychological variables should be considered carefully by a duly qualified functional assessor when determining fitness to work.  This webtip will provide you with the latest research on functional performance and strategies to improve performance for individuals with psychological symptoms or mental health concerns.