The loss of some actions necessitates substitution of others if forward progression and stance stability are to be preserved. Pathologic conditions alter the mode and efficiency of walking. Normal function is also optimally conservative of physiologic energy. Effectiveness depends on free joint mobility and muscle action that is selective in both timing and intensity. Walking depends on the repeated performance by the lower limbs of a sequence of motions that simultaneously advances the body along the desired line of progression while also maintaining a stable weight-bearing posture. Click for more information about this text.įunding for digitization of the Atlas of Limb Prosthetics was provided by the Northern Plains Chapter of the American Academy of Orthotists & ProsthetistsĬhapter 13 - Atlas of Limb Prosthetics: Surgical, Prosthetic, and Rehabilitation Principles Normal Gait Jacquelin Perry, M.D. Much of the material in this text has been updated and published in Atlas of Amputations and Limb Deficiencies: Surgical, Prosthetic, and Rehabilitation Principles (retitled third edition of Atlas of Limb Deficiencies), ©American Academy or Orthopedic Surgeons. Rosemont, IL, American Academy of Orthopedic Surgeons, edition 2, 1992, reprinted 2002. Reproduced with permission from Bowker HK, Michael JW (eds): Atlas of Limb Prosthetics: Surgical, Prosthetic, and Rehabilitation Principles.
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