Exam (elaborations)
Differential Dx Ortho: Dermatomes and Myotomes
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Differential Dx Ortho: Dermatomes and Myotomes Differential Dx Ortho: Dermatomes and Myotomes Differential Dx Ortho: Dermatomes and Myotomes
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Differential Dx Ortho: Dermatomes andMyotomes
What is C1 dermatome? - Vertex of skull
What is C1 myotome? - Neck rotation
What reflexes are affected in C1 nerve root dysfunction? - None
What paresthesia is present in C1 nerve root dysfunction? - None
What is C2 dermatome? - - Temples of head
- Forehead
- Occiput
What is C2 myotome? - Shoulder shrugging
What reflexes are affected in C2 nerve root dysfunction? - None
What paresthesia is present in C2 nerve root dysfunction? - None
What is C3 dermatome? - - Entire neck
- Posterior cheek
- Temporal area
- Under mandible
What is C3 myotome? - Shoulder shrugging
What reflexes are affected in C3 nerve root dysfunction? - None
What paresthesia is present in C3 nerve root dysfunction? - - Cheek
, - Side of neck
What is C4 dermatome? - - Shoulder area
- Clavicular area
- Upper scapular area
What is C4 myotome? - - Shoulder shrugging
- Diaphragm (coughing)
What reflexes are affected in C4 nerve root dysfunction? - None
What paresthesia is present in C4 nerve root dysfunction? - Upper scapula
What is C5 dermatome? - - Deltoid area
- Anterior aspect of arm to base of thumb
What is C5 myotome? - - Shoulder Abduction
- Elbow flexion
What reflexes are affected in C5 nerve root dysfunction? - - Biceps
- Brachioradialis
What paresthesia is present in C5 nerve root dysfunction? - None
What is C6 dermatome? - - Anterior arm
- Radial side of thumb
- Index finger
What is C6 myotome? - - Elbow flexion
- Wrist extension
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