"Now I must not put pressure on the leg and, yet again, I will only be working with the physios and not with footballs.
"That is what I will have to learn to cope with first. But I don't have any alternatives. I am starting to think in small steps again. The leg is already rather thin and I cannot run."
The German international suffered a dead leg against Charlton last Christmas and was close to having his leg amputated after the thigh swelled to twice its normal size. Surgeons had to slice open the affected area in order to relieve the pressure on the muscles and the operation left him with a 10-inch scar.
Meanwhile, £750,000 target Convey ended his DC United career on a low note when he was sent off for kicking an opponent. Convey is expected to complete his move in the next few days.
Spurs' pre-season has been hit by an injury crisis with several key players such as Ledley King, Dean Richards and Freddie Kanoute all likely to miss the start of the Premiership campaign.
