http://www.supplementssafe.com/force-fit-xl/

[nogr652]

the bend of the trunk forwards reduces the height of the discs in its front part and ajar back the , intervertebral space. The substance of the nucleus projects backward, through the preexisting tears in the fibrous ring. In the second time, when the lifting effort is initiated, the increase in axial pressure crushes the entire disc and violently projects backwards the core substance,