Percentage of MSDs and its impact on daily life and work of nurses in Hai Phong district hospitals Among 1179 nurses, 74.72% had symptoms of MSDs in the past 12 months, the two most common sites were the lower back (44.44%) and the neck (44.11%), 37, 8% found MSDs to limit their work, only 41.05% had MSDs over the past 7 days.