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料理褒め川柳1 🌸👨‍🏫Gaki No Tsukai Batsu Game No Laughing 🌸

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Radial nerve Anatomy - Origin, Course, innervation, Saturday night palsy, Wartenberg’s syndrome

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Key facts about the radial nerve

Origin
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Posterior cord of the brachial plexus (from the ventral rami of C5-T1)

Muscular innervation
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Arm muscles: triceps, anconeus, brachioradialis,
Forearm muscles: extensor carpi radialis longus, extensor carpi radialis brevis, supinator, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis

Mnemonic
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'Radial nerve innervates the BEST muscles' (Brachioradialis, Extensors, Supinator, Triceps)

Sensory innervation
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Inferior lateral cutaneous nerve of arm: lower outer aspect of the arm
Posterior cutaneous nerve of the arm: posterior surface of the arm
Posterior cutaneous nerve of the forearm: central, posterior aspect of the forearm
Superficial branch of the radial nerve: thenar eminence and dorsal aspect of the radial 3 and half digits of the hand


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12 Most Mysterious Places Scientists Still Can't Explain

When it comes to life on Earth and human history, scientists and historians have some of the answers, but not all of them. They're great at their job, and they can reach grand conclusions based on tiny clues and pieces of evidence, but sometimes they encounter something that leaves them totally stumped. That's what today's video is about. These are the strange and wonderful places all over the world that are amazing to see, but impossible to understand even for a scientist!
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