This translation makes some extremely interesting material available to readers who in the past may have been entirely unacquainted with the work of Duchenne or have had access only to translations of selected portions of his book. It is at once a compendium of detailed information and a mine of inspiration. Part 1, Motion of the Thoracic Extremity, is a fine analysis of the individual muscles of the hand, forearm, arm, and shoulder. Part 2, Movements of the Abdominal Extremity, deals similarly with the muscles of the foot and leg and those that move the thigh on the pelvis. Part 3 analyzes the action of the muscles that govern respiration and those that move the craniovertebral column.
The translator's introduction should be read for proper appreciation of Duchenne's originality. Duchenne worked on living subjects as well as cadavers, on animals as well as man, on the normal as well as