Shoulder Spaces
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FIG. 2.4 Borders of the key spaces and intervals around the shoulder, including the suprascapular nerve course as well as the quadrangular space and triangular space/interval.
Table 2.3
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Space Borders Nerve Artery |
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Quadrangular (quadrilateral) space |
Superior: lower border of teres minor Inferior: upper border of teres major Medial: long head of triceps Lateral: surgical neck of humerus |
Axillary |
Posterior humeral circumflex |
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Triangular space |
Superior: lower border of teres minor Inferior: upper border of teres major Lateral: long head of triceps |
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Circumflex scapular |
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Triangular interval |
Superior: lower border of teres major Medial: long head of triceps Lateral: shaft of humerus |
Radial |
Profunda brachii |
