A, the role of kneeling 1, enhance the weight-bearing capacity of the hip joint 2, enhance the strength of the bilateral lower limbs 3, enhance the control of the pelvis Second, the training kneeling method Double knee, single knee and conversion: baby kneeling 90 ° knee, the same width as the shoulder. Parents can place the baby’s lower legs under their own thighs on one side, with the other side of the foot to fix the baby’s thighs. Both hands can support the baby’s hips or both shoulders. When switching to one knee, lift the other leg while the baby is on one knee and bring the bottom of the foot to the ground. Do the same with the other leg on one knee.