The following spaces are helpful in locating the neurovascular structures in the posterior scapular region (Figure 30-5B):
• Borders. Teres major and teres minor muscles, long head of the triceps brachii muscle, and the humerus.
• Contents. Axillary nerve and the posterior circumflex humeral artery.
• Borders. Teres major and teres minor muscles and the long head of the triceps brachii muscle.
• Contents. Circumflex scapular artery.
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