Electrical Impedance Myography of Neck and Low Back Pain

• Radiculopathy Subjects:

Inclusion criteria

• Age 21-80 years old
• History consistent with radiculopathy based on clinical, radiologic, and standard electrophysiological criteria, as determined by spine expert (Dr. John Keel)

Exclusion criteria

• Age under 21 or over 80
• History of a generalized neuromuscular condition, except for mild polyneuropathy or common mononeuropathies (e.g., carpal tunnel syndrome, ulnar neuropathy at the elbow)
• History of moderate-to-severe ongoing medical conditions producing generalized disability, such as advanced cardiac or renal disease
• Metal spine implants of any type
• Musculoskeletal Back Pain Subjects:

Inclusion criteria

• Age 21 to 80 years old
• Low back or neck pain without evidence to suggest neuropathic component; i.e., without radiation of pain, sensory loss or weakness

Exclusion criteria

• Age under 21 or over 80
• History of sciatica or cervical radiculopathy
• History of a generalized neuromuscular condition, except for mild polyneuropathy or common mononeuropathies (e.g., carpal tunnel syndrome, ulnar neuropathy at the elbow)
• History of moderate-to-severe ongoing medical conditions producing generalized disability, such as advanced cardiac or renal disease
• Metal spine implants of any type
• Undiagnosed Lower Back or Neck Pain Subjects:

Inclusion criteria

• Age 21 to 80 years old
• Major complaint of lower back or neck pain

Exclusion criteria

• Age under 21 or over 80
• Recent (<6 month) history of similar symptoms that has been evaluated
• History of a generalized neuromuscular condition, except for mild polyneuropathy or common mononeuropathies (e.g., carpal tunnel syndrome, ulnar neuropathy at the elbow)
• History of moderate-to-severe ongoing medical conditions producing generalized disability, such as advanced cardiac or renal disease
• Metal spine implants of any type