Here is some footage of David Mirfin, Deon Burton and James Severn training at the Crossfit Scunthorpe Training Performance Centre.
When players encounter injury and enter the medical department's environment they're provided with a scope of treatment and management which not only rehabilitates their injury, but improves their physical conditioning.Tim Hotchin's facility - Crossfit Scunthorpe - provides us with both the environment and brand of Strength & Conditioning that attains this.
The net effect been that when they return from injury, they are better conditioned than previously.