Conversation so far:
What is important about this period of time for Robert Schumann?
At age 20 taking piano lessons from Friedrich Wieck, who assured Robert Schumann that he would be a successful concert pianist after a few years' study with him.
Did Robert Schumann perform any concerts while studying underneath Friederich Wieck?
In the winter of 1832, at age 22, Robert Schumann visited relatives in Zwickau and Schneeberg, where he performed the first movement of his Symphony in G minor.
Why did Robert Schumann abandon the idea of a concert career?
During his studies with Wieck, some stories claim that Schumann permanently injured a finger on his right hand.

Question: How did he injure the finger on his right hand?
Self-contained rewrite: How did Robert Schumann injure the finger on his right hand?