Dermatome Testing
Level | Root | Pain & Sensory Change | Motor Weakness | Abnormal Reflexes |
---|---|---|---|---|
C4/C5 | C5 | Deltoid1 Lateral arm1 |
Deltoid1 Biceps1 |
Bicep reflex1 |
C5/C6 | C6 | Radial forearm to thumb and index finger1 | Biceps1 Wrist extensor1 |
Bicep reflex1 Brachioradialis reflex1 |
C6/C7 | C7 | Midradial forearm to index and middle finger1 | Wrist Flexor1 Tricep1 |
Triceps reflex1 |
C7/T1 | C8 | Ulnar forearm to ring and little finger1 | Hand Intrinsic1 Finger Flexor1 |
N/a1 |
Psychometrics
Read later
Reliability and Diagnostic Accuracy of Standard Dermatomes and Myotomes for Determining the Pathologic Level in Surgically Verified Patients With Cervical Radiculopathy1
References
1.
Hong CG, Nam WD. Reliability and Diagnostic Accuracy of Standard Dermatomes and Myotomes for Determining the Pathologic Level in Surgically Verified Patients With Cervical Radiculopathy. Neurospine. 2022;19(4):1006-1012. doi:10.14245/ns.2244194.097
Citation
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Yomogida N, Kerstein C. Dermatome Testing. https://yomokerst.com/The
Archive/Examination/Tests and Measures/Dermatome and
Myotome/dermatome_testing.html