News & Articles
Return to Trail Running After L5-S1 Annular Tear: An Illustrative Fibrin Treatment Case Study
A recreational trail runner in their early 40s returned to full training after an L5-S1 annular tear, using intra-annular fibrin injection as a fusion alternative. VAS pain fell from 72.4 mm to 33.0 mm at 104 weeks. Illustrative composite based on published outcome patterns.

