Journal ArticleDOI
Distal hamstring lengthening in cerebral palsy. An evaluation by gait analysis.
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In this article, the hamstrings were elongated for contracture due to neurogenic disorders in 66 patients with cerebral palsy and the success of the operation was judged by functional evaluation including joint measurement and gait analysis.Abstract:
Distal elongation of the hamstrings was performed for contracture due to neurogenic disorders in 66 patients. A follow-up study on 34 of the patients with cerebral palsy is reported here. The success of the operation was judged by functional evaluation including joint measurement and gait analysis. The advantages of this operation and the need for prolonged aftercare are discussed.read more
Citations
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A Muscle-Reflex Model That Encodes Principles of Legged Mechanics Produces Human Walking Dynamics and Muscle Activities
Hartmut Geyer,Hugh M. Herr +1 more
TL;DR: A model of human locomotion is developed that is controlled by muscle reflexes which encode principles of legged mechanics and is found to stabilize into a walking gait from its dynamic interplay with the ground, reproduce human walking dynamics and leg kinematics, tolerate ground disturbances, and adapt to slopes without parameter interventions.
Journal ArticleDOI
Functional morphology
Markus Forsberg,Aarne Ranta +1 more
TL;DR: Finite functions over hereditarily finite algebraic datatypes are used to implement natural language morphology in the functional language Haskell to make it easy for linguists, who are not trained as functional programmers, to apply the ideas to new languages.
Journal ArticleDOI
Alterations in surgical decision making in patients with cerebral palsy based on three-dimensional gait analysis
TL;DR: Comparisons showed that the addition of gait-analysis data resulted in changes in surgical recommendations in 52% of the patients, with an associated reduction in cost of surgery, not to mention the human impact of an inappropriate surgical decision, which is more likely without gait analysis.
Journal ArticleDOI
Rectus femoris transfer to improve knee function of children with cerebral palsy.
TL;DR: Criteria for selection of cases and methods of improving surgical outcome are discussed, and poor outcome in the transfer‐plus‐lengthening group was associated mainly with foot rotation in excess of 8o internally or externally, or postoperative knee flexion in stance.
Journal ArticleDOI
Hamstrings and psoas lengths during normal and crouch gait: Implications for muscle‐tendon surgery
TL;DR: A graphics‐based model of the lower extremity was used in conjunction with three‐dimensional kinematic data obtained from gait analysis to estimate the lengths of the hamstrings and psoas muscles during normal and crouch gaits.
References
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Journal ArticleDOI
Measurement of gait movements from motion picture film.
David H. Sutherland,John L. Hagy +1 more
TL;DR: A method suited to the study of gait is described in which the walking subject is filmed from the front and from the sides and triangulation techniques are used in obtaining measurements from the films, projected on a special viewer.
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Transplantation of hamstring tendons to femoral condyles in order to improve hip extension and to decrease knee flexion in cerebral spastic paralysis.
TL;DR: With the knee extended, the transplanted hamstrings rotate the pelvis, extend the hip, and permit a more erect posture, and to correct the flexion, if the walking gait and posture are to be improved.
Journal ArticleDOI
Operative treatment of cerebral palsy of spastic type
TL;DR: It has seemed wise to review the orthopedic operations for cerebral palsy of the spastic type which have been done during the preceding fifteen years, 1925-1940, at the Children's Hospital in Boston.
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Bilateral proximal release of the hamstrings in cerebral palsy
N. Seymour,W. J. W. Sharrard +1 more
TL;DR: Nine children with cerebral palsy and spastic paraplegia or tetraplegia with no fixed fiexion of the knees have been treated by bilateral release of the hamstrings from the ischial tuberosity, with marked benefit in all patients.