Surgical treatment of knee dysfunction in cerebral palsy.

  title={Surgical treatment of knee dysfunction in cerebral palsy.},
  author={James R. Gage},
  journal={Clinical orthopaedics and related research},
  • James R. Gage
  • Published 1990 in Clinical orthopaedics and related research
The prerequisites for normal gait are: (1) stability in the stance phase of gait, (2) clearance of the foot in the swing phase, (3) proper foot preposition in swing, and (4) an adequate step length. In the stance phase, the knee provides shock absorption and energy conservation; in the swing phase, it allows foot clearance. To accomplish these functions, the knee must extend fully in stance and flex approximately 60 degrees in swing. Consequently, balanced muscle action at the hip, knee, and… CONTINUE READING