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    Radial nerve

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    2.Mr. Smith staggered home after a long night at the local pub. While attempting to navigate the stairs, he passed out cold and lay all night with his right armpit straddling the staircase banister. When he awoke the next morning, he had a severe headache, but what bothered him more was that he had no sensation in his right arm and hand. Explain what caused this symptom in his arm.

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    Solution Preview

    Mr. Smith likely injured his Radial nerve from external pressure on the nerve in the spiral groove of the humerus while his armpit was straddling the staircase banister. This phenomenon is sometimes ...

    Solution Summary

    Radial nerve damage is discussed.