radiculopathy

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radiculopathy

 [rah-dik″u-lop´ah-the]
disease of the nerve roots.
spondylotic caudal radiculopathy compression of the cauda equina due to encroachment upon a congenitally small spinal canal by spondylosis, resulting in neural disorders of the lower limbs.

ra·dic·u·lop·a·thy

(ra-dik'yū-lop'ă-thē),
Disorder of the spinal nerve roots.
Synonym(s): radiculitis
[radiculo- + G. pathos, suffering]

radiculopathy

/ra·dic·u·lop·a·thy/ (rah-dik″u-lop´ah-the) disease of the nerve roots.
spondylotic caudal radiculopathy  compression of the cauda equina due to encroachment upon a congenitally small spinal canal by spondylosis, resulting in neural disorders of the lower limbs.

radiculopathy

[rədik′yəlop′əthē]
Etymology: L, radix, root; Gk, pathos, disease
a disease involving a spinal nerve root.

radiculopathy

Neurology A spinal nerve root dysfunction characterized by back pain and nerve root irritation Etiology Nucleus pulposus herniates through a weakened part of the intervertebral disk. See Cervical radiculopathy, Herniated disk.

ra·dic·u·lop·a·thy

(ră-dik'yū-lop'ă-thē)
Disorder of the spinal nerve roots.
Synonym(s): radiculitis.
[radiculo- + G. pathos, suffering]

Radiculopathy

Sometimes referred to as a pinched nerve, it refers to compression of the nerve root-the part of a nerve between vertebrae. This compression causes pain to be perceived in areas to which the nerve leads.

radiculopathy

pathology of spinal nerve roots, due to nerve impingement, entrapment, inflammation or trauma; presents as focal pain (i.e. pain at spinal nerve root), referred pain (i.e. pain at a distal site within the dermatome of the affected spinal nerve) and/or pseudoclaudication, with associated sensory and motor neuropathies (see Table 1)
  • lower-limb radiculopathy radiculopathy affecting lumbar (L4, L5) and sacral (S1 and S2) spinal nerves (see Table 2); L5 and S1 roots are especially vulnerable to radiculopathy due to articulation of the flexible lumbar spine on the inflexible sacrum

Table 1: Characteristics of spinal nerve root damage affecting the leg
Nerve rootSensory deficitMotor deficitTendon reflex response
Fourth lumbar (L4)Medial aspects of the lower leg, malleolus, footQuadriceps femoris (loss of active knee extension)Reduced knee jerk
Normal ankle jerk
Fifth lumbar (L5)Anterolateral aspect of the lower leg and dorsum of footExtensor hallucis longus (loss of active 1 MTPJ dorsiflexion)Normal knee jerk
Normal ankle jerk
First sacral (S1)Posterolateral aspect of lower legTriceps surae and plantar foot (loss of active ankle plantarflexion and knee flexion)Normal knee jerk
Reduced ankle jerk

1 MTPJ, first metatarsophalangeal joint.

Table 2: Characteristics of spinal nerve root damage affecting the leg
Nerve rootSensory deficitMotor deficitTendon reflex response
Fourth lumbar (L4)Medial aspects of the lower leg, malleolus, footQuadriceps femoris (loss of active knee extension)Reduced knee jerk
Normal ankle jerk
Fifth lumbar (L5)Anterolateral aspect of the lower leg and dorsum of footExtensor hallucis longus (loss of active 1 MTPJ dorsiflexion)Normal knee jerk
Normal ankle jerk
First sacral (S1)Posterolateral aspect of lower legTriceps surae and plantar foot (loss of active ankle plantarflexion and knee flexion)Normal knee jerk
Reduced ankle jerk

1 MTPJ, first metatarsophalangeal joint.

radiculopathy (r·diˈ·ky·lˑ·p·thē),

n a form of acupuncture similar to segmental and trigger point acupuncture techniques, in which intramuscular stimulation is used to relieve muscles and viscera of supersensitivity. See also intramuscular stimulation and supersensitivity.

ra·dic·u·lop·a·thy

(ră-dik'yū-lop'ă-thē)
Disorder of spinal nerve roots.

radiculopathy

disease of the nerve roots.

spondylotic caudal radiculopathy
compression of the cauda equina due to encroachment upon a congenitally small spinal canal by spondylosis, resulting in neural disorders of the lower limbs. See also lumbosacral stenosis.