This gait pattern is reminiscent of a marionette. Hypertonia in the legs, hips and pelvis means these areas become flexed to various degrees, giving the appearance of crouching, while tight adductors produce extreme adduction, presented by knees and thighs hitting, or sometimes even crossing, in a scissors-like movement while the opposing muscles, the abductors, become comparatively weak from lack of use. Most common in patients with spastic cerebral palsy, the individual is often also forced to walk on tiptoe unless the plantarflexor muscles are released by an orthaepedic surgical procedure.
These features are most typical with the scissors gait and usually result in some form and to some degree regardless of the mildness or severity of the spastic CP condition:
- rigidity and excessive adduction of the leg in swing
- plantar flexion of the ankle
- flexion at the knee
- adduction and internal rotation at the hip
- progressive contractures of all spastic muscles
- complicated assisting movements of the upper limbs when walking.
Read more about this topic: Scissor Gait
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