Most of the disc injuries happen in lower back

Here is one important fact,not known to many people.Ninety percent of the disk injuries are suffered in lower back with just ten percent affecting upper back.The reason is, it is the lower back which bears the maximum pressure.
Disc injuries are common in the age group of 30-50 years.However those who do regular and moderate exercises are less likely to suffer disc injuries as compared to those who lead sedentary life style.