Brachial plexus branches, upper limb compartments, and classic nerve injury patterns (e.g. wrist drop, claw hand), one fact per card.
39 cards · basic cards · AI-written, checked twice. Edit anything.
- From which spinal cord levels do the roots of the brachial plexus arise?
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C5 to T1- Which spinal roots contribute to the long thoracic nerve?
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C5, C6, and C7- Which muscle does the long thoracic nerve innervate?
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Serratus anterior- Injury to the long thoracic nerve produces what classic sign?
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Winged scapula- Which single root gives rise to the dorsal scapular nerve?
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C5- Which muscles does the dorsal scapular nerve innervate?
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Rhomboids and levator scapulae- The suprascapular nerve branches off which part of the brachial plexus?
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The superior trunk- Which muscles does the suprascapular nerve innervate?
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Supraspinatus and infraspinatus- Which nerve roots combine to form the superior trunk of the brachial plexus?
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C5 and C6- Which nerve root alone forms the middle trunk of the brachial plexus?
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C7- Which nerve roots combine to form the inferior trunk of the brachial plexus?
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C8 and T1- The lateral cord of the brachial plexus forms from which divisions?
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The anterior divisions of the superior and middle trunks- The posterior cord of the brachial plexus forms from which divisions?
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The posterior divisions of all three trunks- The medial cord of the brachial plexus forms from which division?
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The anterior division of the inferior trunk- The musculocutaneous nerve is a terminal branch of which cord?
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The lateral cord
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