“…This observation aligns with the results of a meta-analysis comparing the CCB with other brachial plexus blocks [ 3 ]. A recent report on a block that serves as an alternative to another plan block for analgesia during upper limb and shoulder surgeries is also available [ 4 ]. The sub-splenius plane (SSP) block, which involves the administration of local anesthetics into the space between the splenius cervicis and the longissimus cervicis/capitis muscles, has been proposed as an alternative to the conventional high thoracic erector spinae plane (ESP) block [ 1 , 5 ].…”