Retraction speed and chronic poststernotomy pain: A randomized controlled trial

The sternal retraction diagram is reprinted with permission from Kapil A, Ferrada P. Operative exposures for chest trauma: the median sternotomy and left anterolateral thoracotomy. In: Ferrada P, Ferrada, R eds. Atlas of Trauma. Springer; 2020. https://link.springer.com/chapter/10.1007/978-3-030-2. The 15-minute timer/stopwatch is reprinted with permission ©fotohansel-stock.adobe.com. Sources: For the sternal retraction scar: Jonny Abbas/Alamy Stock Photo; for the 30-second timer: BarksJapan/Alamy Stock Vector; for the oxycodone pills image: Zoonar GmbH/Alamy Stock Photo.