Lower Extremity Dysfunction (LED):

Predictive Model of Lower Extremity Movement Impairment

By Brent Brookbush DPT, PT, COMT, MS, PES, CES, CSCS, H/FS

For an introduction to Postural Dysfunction and Movement Impairment please refer to:

Dr. Brent Brookbush teaches the sign OHSA with Modification (Heel Rise)

Any Questions or Concerns?

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Summary of Model:

Recommended Assessments and Techniques

Common Osteokinematic Dysfunction:

Commonly observed/studied impairments:

  • Loss of dorsiflexion (inadequate forward translation of the knee, i.e. tibia on foot dorsiflexion)
  • Feet Flatten (a.k.a. functional pes planus, pronation, eversion, calcaneus valgus, positive navicular drop test, etc.)
  • Feet turn out (a.k.a. turn-out, heel flare, heel whip, etc.)
  • Knees Bow In (a.k.a. functional knee valgus, medial knee displacement, hip adduction, etc.)
  • Excessive Forward Lean (excessive hip flexion, forward trunk position, tibia/torso angle)

Recommended Assessment:

Common Muscular Dysfunction

Short/Over-active