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MEDIAN NERVE EXAMINATION

Neurology

MEDIAN NERVE EXAMINATION

SIMPLE ANATOMY
1. Motor supply - muscles of the flexor compartment, except the FCU + ulnar half of FDP.
2. Motor supply - LOAF muscles (Lateral 2 lumbricals, Oponens pollicis, APB, FPB); C6-T1.

EXAMINATION
1. Inspect - wasting of thenar eminence.
2. Lesion at carpal tunnel - weakness of thumb abduction.
3. Lesion at cubital fossa - weakness of FDS (positive Oschner's clasping test - the index finger fails to flex while clasing hands).


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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