NMS

6/16/99

• Pain that you feel would not be painful to the touch b/c it is referred pain
• It will only hurt when the actual injured area it touched
• A fibers produce somatically discriminated pain in the injured area
• The C fiber pain will not be felt while manipulating the injured area
• Absence of neurologic signs
• Afferentation—causes everything we are going to talk about—sensory information coming in

Anterior Horn—Motor

• Barry Wyke—Father of articular neurology
• Wry neck syndromes
• Intrinsic muscles of the spine
• When go into spasm, turn toward affected side and lateral bend
• Spinal nerve innervation

• Torticollis
• SCM problem
• Bend to side of pain
• Rotate away
• Cranial nerve innervation

• Terms are interchanged in literature today
• Facet capsules
• Synovial joint
• Innervation in outer capsule by type I mechanoreceptors
• Tonic—fire all of the time
• Arthrostatic reflex—joint that isn't moving
• Background information
• Very important
• Key role in equilibrium
• Deeper levels innervated by type II mechanoreceptors
• Phasic—rapidly adapt
• Arthrokinetic reflex

• Found in large quantity in spinal ligaments
• Bring afferentation
• Inhibits antagonistic muscle
• Type IV—nociceptors (pain fibers)
• Arthrogenic reflexes—proprioceptive or nociceptive
• Amplitude is the measure of energy