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Figure 1 | Journal of Brachial Plexus and Peripheral Nerve Injury

Figure 1

From: Variations of the origin of collateral branches emerging from the posterior aspect of the brachial plexus

Figure 1

Right BP with collateral origin variations for upper subscapular nerve and an accessory subscapular nerve. C5, C6, C7, C8, T1: spinal nerve ventral rami. ST: superior trunk. MT: middle trunk. IT: inferior trunk. LC: lateral cord. PC: posterior cord. MC: medial cord. A: axillary nerve. R: radial nerve. Mct: musculocutaneous nerve. U: ulnar nerve. M(LH): lateral head of median nerve. M(MH): medial head of median nerve. PM: pectoralis minor muscle. SSM: subscapularis muscle. DM: deltoid muscle. 1: dorsal scapular nerve.2: suprascapular nerve. 3: upper subscapular nerve (originating from the ST posterior cord). 4: accessory subscapular nerve. 5: lower subscapular nerve. 6: long thoracic nerve.

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Journal of Brachial Plexus and Peripheral Nerve Injury

ISSN: 1749-7221