Position: Head in midline, limbs relaxed and symmetrical

Method: Guide the child's head to turn from one side to the other. The child can keep the arm still under the guidance, or observe whether the upper limb movement is symmetrical when the child reaches the object.

0 points: Unable to maintain head midline position 1 minute: Maintain head midline position for 1-3 seconds 2 points Asymmetry of limbs when turning head 3 points: The limbs are symmetrical when turning the head

Position: Lying on your back, head in midline, arms relaxed

Method: Guide the child to move his hands to the midline position and touch the fingers of both hands. This means that the child must keep his hands together long enough.

0 points: Midline activities of both hands are not initiated. 1 point Start moving your hands toward the midline 2 points: Move your hands in front of your body without touching them. 3 points Move your hands to the midline, fingers touching

Position: Lying supine with head in midline

Method: Use toys to guide children to raise their heads

0 points Unable to initiate forward neck flexion 1 point: There is neck flexion but unable to raise the head 2 points: head head is less than 45° 3 minutes, head up 45°

Position: Lying supine, head in midline, lower limbs extended

Method: Induce the child to bend the hips and knees, touch the knees to the chest, and touch the thighs to the calves.

0 points Unable to initiate right (left) side hip flexion and knee flexion 1 point Start right (left) hip flexion and knee flexion 2 points Partial flexion of right (left) hip and knee 3 points Full range of right (left) hip and knee flexion

Position: The head is at the midline, the hands are not above the midline, and the toy is placed at chest level

Method: Let the child take the toy, and then move the toy to one side of the child and to the other, so that the child's hand crosses the midline

0 points cannot start towards the center line 1 minute Start towards the center line 2 points: Stretch out the right (left) arm and the hand cannot be centered 3 points: Stretch out your right (left) arm and cross the midline with your hand

Position: Lying on your back, head in midline, limbs relaxed

Method: Use toys to guide you to turn from the supine position to the prone position

0 points Unable to start turning over 1 minute to start turning over 2 points Partially turn to prone position 3 minutes: Turn to the right (left) side to prone

Position: Lie on your stomach with your head on the pillow, arms and legs relaxed

Method: Guide the child to look up and forward

0 points Unable to start looking up 1 point: Start raising your head and keep your chin from the mat. 2 points: The chin can lift off the mat and raise the head, but the head cannot stand upright. 3 minutes: Raise your head to an upright position (head upright)

Position: Lie on your stomach, head on the mat, elbows supported, lower limbs naturally extended

Method: Encourage the child to raise his head upright and extend his upper limbs

0 points Unable to start looking up 1 point: Start raising your head and keep your chin from the mat. 2 points: The elbow supports the head and the head cannot stand upright. 3 points: Extend your elbows, straighten your head, and raise your chest.