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Lumbar Spine Dysfunctions
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Lumbar Spine Dysfunctions

Follows Fryette's laws; common in low back pain.

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Lumbar motion

  • Follows Fryette's laws (Type I and II)
  • Primary motion: flexion/extension; some rotation but limited
  • Side-bending occurs with rotation per Fryette

Diagnosis

  • Patient prone; assess transverse processes for rotation
  • If TP posterior on side of rotation
  • Check in neutral, flexed, and extended positions to differentiate Type I from Type II
  • Lumbar segments often dysfunctional in low back pain, especially L4-L5 and L5-S1

Lumbar treatment options

  • Muscle energy (most common): patient contracts isometrically, operator engages new barrier
  • HVLA: lumbar rolls common; contraindications include acute disc herniation, instability
  • Counterstrain: psoas and iliacus tender points commonly found
  • Soft tissue: prone or lateral kneading of paraspinals
  • MFR: direct or indirect

Psoas dysfunction

  • Common cause of low back pain
  • Patient stands with trunk flexed and shifted toward side of contracted psoas
  • Thomas test: contracted psoas if hip doesn't extend
  • Treatment: counterstrain (anterior tender points), muscle energy, MFR

High-yield pearls

  • Low back pain + Type II lumbar dysfunction = treat the Type II first
  • Always rule out red flags before OMT (fever, weight loss, neuro deficit, cancer, IV drug use)
  • Psoas tender points are ANTERIOR — palpate medial to ASIS in supine
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