TheAnteriorRegionoftheUpperLimb.ppt

4. Regional anatomy Musculocutaneous n. Median n. Medial brachial cutaneous n. Ulnar n. Medial antebrachial cutaneous n. Superior ulnar coleteral a. Deep brachial a. Ⅰ. Medial bicepital brachii furrow 肱二头肌内侧沟 Musculocutaneous n. Median n. Axillary a. Brachial a. Medial antebrachial cutaneous n. Medial brachial cutaneous n. Deep brachial a. Superior ulnar coleteral a. Ulnar n. Inferior ulnar coleteral a. Ⅱ. Cubiral fossa 肘窝 Boundaries Base－line drawn through epicondylesof humerus （肱骨上髁） Apex－brachioradialis laterally and pronator teres medially Roof－skin, superficial faxcia, deep faxcia and aponeurosis of biceps（肱二头肌腱膜） Floor－brachialis, supinator（旋后肌） and capsule of elbow joint aponeurosis of biceps Contents－from lateral to medial Biceps brachii tendon Brachial a.－divides into radial and ulnar a.,usually at apex of fossa Median n. Lateral to the biceps brachii tendon－radial n. and lateral antebrachial cutaneous n. Ⅲ. Carpal tunnel 腕管 Flexor retinaculum 屈肌支持带 Thickening of deep fascia in the hand Attached laterally to scaphoid and trapeziun and medially to pisiform and hamate Carpal tunnel 腕管 Formed by flexor retinaculum and carpal groove Transmits Median n. Flexor digitorum superficialis and flexor digitorum profundus enclosed by common flexor sheath Flexor pollicus longus enclosed by tendinous sheath of flexor pollicus longus Common flexor sheath Teninous sheath of flexor pollicis longus Ⅳ. Teninous sheath 腱鞘 Ⅴ. The palmar fascial space 手掌筋膜间隙 Deep palmar fascia  掌部深筋膜 Superficial layer Thenar fascia 鱼际筋膜 Hypothenar fascia 小鱼际筋膜 Palmar aponeurosis 掌腱膜 thick triangular membrane Deep layer palmar interosseous fascia 骨间掌侧筋膜 Osseofascial compartments of palm手掌骨筋膜鞘 Lateral compartment 外侧鞘 Medial compartment 内侧鞘 Intermediate compartment 中间鞘 Intermediate compartment 中间鞘 Formed by palmar aponeurosis, Laeral and medial intermuscular septum, palmar interosseous fascia and abductor policis fascia Contents: superficial palmar arch, a., v