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Upper Limb Muscles
Published in Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo, Handbook of Muscle Variations and Anomalies in Humans, 2022
Eve K. Boyle, Vondel S. E. Mahon, Rui Diogo
The rhomboid major muscle may vary in its vertebral attachments, with the inferior most attachments varying anywhere between the third and sixth thoracic vertebrae (Macalister 1875; Mori 1964; Bakkum and Miller 2016). Rhomboideus major can also be divided into many discrete bundles (Macalister 1875; Bergman et al. 1988; Bakkum and Miller 2016). When fasciculated, it may connect with serratus anterior (Macalister 1875). The lower part of the muscle may be bilaminar (Macalister 1875). The rhomboid muscles may be fused (Macalister 1875; Mori 1964; Bergman et al. 1988). Together, the rhomboids can send slips to infraspinatus, latissimus dorsi, or teres major (Macalister 1875; Rickenbacher et al. 1985; Bergman et al. 1988; Bakkum and Miller 2016). Rhomboideus minimus, or rhomboid minus, refers to a slip that extends between the upper thoracic or lower cervical vertebral spines and the scapula and/or teres major fascia (Mori 1964; Bergman et al. 1988; Bakkum and Miller 2016).
Effects of rhomboid intercostal plane block for postoperative analgesia after thoracoscopic surgery compared with local anesthetic infiltration: A randomized clinical trial
Published in Egyptian Journal of Anaesthesia, 2022
Heba F Toulan, Rehab Abdelfattah Abdelrazik
From superficial to deep, the following structures were detected: rhomboid major muscle, trapezius muscle, intercostal muscles between ribs, pleura, as well as lung. The tissue plane that connects the intercostal muscles as well as the rhomboid major was determined. An 18-gauge Tuohy needle was advanced in plan from a superomedial to an inferolateral direction, through trapezius and rhomboid major muscles. The initial injection was administered via the skin at the T5-T6 level immediately medial to the scapula.