You've got to love a Scottish spinal rehab method! Put things into hyper extension. It will either pull any bulging disks back into place or send the bloke into such fits of agony they will operate immediately. Genius.
I hammered my back doing DL's after a week after I think 75 Jim Baker sit ups. My abs were still sore and just did not fire correctly. Still suffering the consequences 2 years later.
If you have an ART practitioner they can really work some magic in the acute phase. The Guinness sounds like a very good idea. I wonder if they will ever make a wheat free version...
"Survival will be neither to the strongest of the species, nor to the most intelligent, but to those most adaptable to change."