Upper Limb Radiculopathy
February 15th, 2021
Overview
Signs of Radiculopathy
- Lower motor neuron weakness affecting a myotomal distribution
- Sensory loss affecting a dermatomal distribution
Causes of Radiculopathy
- Intervertebral disc herniation
- Osteoarthritis (osteophytosis)
- Diabetes
- Haematoma - epidural / subdural
- Malignancy - spine, spinal cord
- Infection - epidural abscess, tuberculosis, Lyme disease, syphilis, herpes zoster
Cervical Nerve Roots
-
Root Dermatome Myotome Reflex C4 Superolateral shoulder Shoulder abduction and elevation Nil C5 Outer armForearm Shoulder abduction
Elbow flexionBiceps C6 Thumb & 2nd finger Wrist extension Supinator C7 3rd finger
Center of palmElbow extension
Wrist flexionTriceps C8 5th finger
Ulnar border of handWrist extension
Finger flexionFinger jerk
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