Posterior circumflex humeral artery Suprascapular Axillary nerve nerve and artery Circumflex scapular artery Deltoid Teres major Radial nerve Deep brachial 肱三头肌 Latissimus dorsi artery Triceps brachii Lateral head of triceps brachii 肱骨肌管 Humeromuscular tunnel (构成及内容)m0 Ulnar nerve Olecranon Superior ulnar Anconeus collateral artery Medial epicondyle
• 肱三头肌 Triceps brachii • 肱骨肌管 Humeromuscular tunnel （构成及内容）
Supenor lateral cutaneous nerve of arm (superior lateral brachial cutaneous nerve Biceps brachii o Musculocutaneous nerve Medial cutaneous nerve of arm (medial brachial cutaneous nerve e Brachial vein Subcutaneous tissue Medial cutaneous nerve of forearm (medial ante cutaneous nerve Brachial fascia e Basilic vein s Medial int opium of a Inferior lateral cutaneous of arm (inferior lateral bra cutaneous e Triceps brachi, medial head Posterior cutan of forearm [posterior ar butane e Triceps brachi, long head Lateral intermuscular septum of arm Radial nerve Triceps brach,。 Medial cutaneous nerve of arm (medial brachial cutaneous nerve 肱骨肌管 Humeromuscular tunnel
肱骨肌管 Humeromuscular tunnel
Superior ulnar● o Inferior ulnar collateral artery dian nerve Medial intermuscular septum of arm e Brachial artery Medial o Biceps brachii UInar nerve Bicipital aponeurosis o Brachioradialis Humeral head a Flexor carpi wInans Radial nerve UInar head e o Flexor muscles of Posterior branch● UInar recurrent artery Anterior branch.-- ● UInar artery e Radial artery 408 UInar nerve o Pronator teres 414 416 Flexor o Median nerve gitorum profundus Fig. 417 Arteries and nerves of anterior region of left elbow flexor muscles of forearm partially removed; medial (ulnar) aspect(60%) (三)肘后区
（三）肘后区
伸肘 屈肘 A 肱骨内上髁 Medial epicondyle B 尺骨鹰嘴 Olecranon B 肘后三角 肱骨外上髁 Lateral epicondyle 后面观 肘后三角
肘后三角 B 尺骨鹰嘴 Olecranon A C B A C B A 肱骨内上髁 Medial epicondyle C 肱骨外上髁 Lateral epicondyle
肱骨外上髁 肘外侧三角 尺骨鹰嘴1 桡骨头 桡侧观
肱骨外上髁 尺骨鹰嘴 桡骨头 肘外侧三角