Comparison of usual surgical advice versus a non-aggravating six-month gym-based exercise rehabilitation programme post-lumbar discectomy: results of a three year follow-up. Donaldson, B.L., Shipton, E.A., Inglis, G., Rivett, D., & Frampton, C.By kathryn / March 18, 2012 Comparison of usual surgical advice versus a non-aggravating six-month gym-based exercise rehabilitation programme post-lumbar discectomy: results of a three year follow-up. Donaldson, B.L., Shipton, E.A., Inglis, G., Rivett, D., & Frampton, C.