Hello and welcome to health care magic!!
it means that the intervertebral disc
that is the disc between two bones in the spinal cord
which acts like a cushion has been displaced and has been pushed out it can lead to compression of the nerve root
which is exiting through the concerned area.
It is better that she take adequate rest, make sure no stressful work lifting heavy objects sudden bending and also she can take muscle relaxants and undergo physiotherapy
you can consult a spinal surgeon or an orthopaedician to see if the condition requires surgery.