This volume contains both the applied anatomy and detailed technique necessary to perform the cervical paravertebral block. For the authors, the continuous (and single-injection) cervical paravertebral block has totally replaced the continuous interscalene block. After performing several thousand interscalene blocks, inferior results and a relatively high rate of complications prompted the change. The cervical paravertebral block is a selective, mostly sensory block that the authors have been providing for shoulder, and to a lesser extent, elbow and wrist, surgery for the past quarter century dating back to its first description by Boezaart in 1992. With over 20,000 performances, the authors are confident that, if the macro-, micro- and sonoanatomy is thoroughly understood, this block offers an exceedingly high yield for pain relief.