Children with cerebral palsy often have abnormal muscle tone, and the main manifestations of increased muscle tone are as follows: 1. 2.Corsiflexion: The head, neck, trunk and lower limbs are overstretched and dorsiflexed, shaped like an arch. 3.Stiff extension of upper limbs, hand clenched fist. 4.The upper limbs are internally rotated and stretched backward. 5.Lower extremities are internally rotated and crossed with rigid extension. 6.Pointed foot posture. 7.The angle of separation of the two lower limbs is less than 70°. 8.Sitting on knees, sitting with hard straight extended legs. 9, sitting backward: due to the lower extremities hard straight and trunk hyperextension, so that the pediatric sitting position backward tilt. 10, teapot-like posture: one side of the upper limb fixed extension, the other side fixed flexion, shaped like a teapot.