Facet joint pain. Failed back syndrome'. Any or all of the above conditions may lead to severe pain or disability. Incontinence, intractable pain, depression. Increased prevalence among age groups 16-24 years.
Back injury is the largest single recorded cause of long term sick leave.
Most strains and injuries to the back occur when repeating previously successful actions. In most cases, no more than 48 hours bed rest is advisable. Extended periods working in fixed positions. Highest incidence in all sedentary or all manual work. Lowest incidence is found when tasks and activities are varied.