Nerve Symptom DDX

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Sensory Dysfunction

Motor Dysfunction

Spinal Cord

• Weakness below the segment
• Weakness at muscles of different myotomes AND peripheral nerves

Nerve Root

• Weakness of the same myotome
• Weakness at different peripheral nerves supplied by the same nerve root level

Periphereral Nerve

• Weakness of muscles supplied by the same nerve root

Deep Tendon Reflex

Spinal Cord

• Normal DTR above affected segment
• Hyporeflexive at the segment
• Hyperreflexive below the segment

Nerve Root

• Normal DTR above affected segment
• Hyporeflexive at the segment
• Normal DTR below the segment

Periphereral Nerve

Look up sources on this

• Normal DTR above affected segment
• Hyporeflexive for the reflex innervated by this nerve
• Normal DTR below the segment