Scapulohumeral dissection PosteriorⅤiew Suprascapular artery and nerv Acromion of uperior transverse scapular ligament and scapular notch Infraspinatus tendon (reflected) Supraspinatus 肌 le (cut) Spine of scapula Teres minor muscle 肉 Deltoid muscle Infraspinati 〔 reflected muscle(cut) 神 Quadrangular nerve and posterior 经 circumflex humeral Triangular space with arten circumflex scapular 血 artery deep to space Superior lateral brachial cutaneous nerve 管 Teres major muscle Long head of triceps brachii muscle Lateral head of triceps brachii muscle• 肌肉 • 神经 • 血管