The flexion relaxation ratio (FRR) of the lumbar extensor muscles is often assessed in experimental and clinical studies. This study evaluated within- and between-session test--retest reliability and measurement error for different FRR formulations. Participants completed two identical data collection sessions 1-week apart. Spine flexion and…

Background: Research evidence supports the assertion that healthy employees are happier and more productive. Employers prefer to hire healthy workers to reduce absenteeism. Rehabilitation counselors have started to explore health promotion interventions to help individuals with chronic health conditions and disability improve their physical and…

Background: Breast cancer is one of the most important types of cancer among women worldwide and is a significant stressor in women's life that may affect functional health status. The present study was aimed to determine the effect of selected exercises program on pain, shoulder disability, and functional outcomes in women after breast cancer…