The Los Angeles Times reports that hyperkinetic maestro Gustavo Dudamel injured himself Thursday night while conducting the finale of Dvorák’s Cello Concerto with the Los Angeles Philharmonic. The orchestra is about to embark on a national tour, and here’s hoping Dudamel recovers in time for departure. In the meanwhile, he might consider reviewing some vintage action footage of Fritz Reiner, whose economy of movement is almost as legendary as his notorious podium temperament, which could run the gamut from withering to tyrannical.