Stretching exercise
Preparation posture: the baby lies on his back, and the mother holds the baby's wrist with both hands and puts the baby's arms beside him.
Pull the baby's arm to his chest. Opposite the palm; Then the baby's arms are lifted obliquely to both sides; Then pull the baby's arms flat on his chest, palms facing each other; Finally recovered. Repeat the above actions twice.
Leg lifting exercise
The baby is lying on its back, with its mother's thumb down and the other four fingers up. Hold the baby's calf and straighten his leg. Lift the baby's legs up at right angles to the abdomen, then restore them and do them twice in a row.