By using electrical shocks to stir his numb nervous system and tirelessly exercising, he twitch-by-tiny-twitch was beginning to recapture use of his body. In September 2000 he moved an index finger and the news startled scientists who had not expected to see such progress so long after so severe an accident. Mr. Reeve expected nothing less and continued to improve.
Q : The word order "so severe an accident" is odd to me. I think "an so severe accident" is a right order. What do you think? What does "nothing less" mean? I think "than..." is omitted behind of "less".
All the best,