When do babies sit up? Part 2

Mom and Baby

In the previous article, we explained the guideline for the time when your baby may be able to sit up. Even though there’s a guideline, each baby is different. Therefore, don’t panic even if your baby can’t sit up after 8 months or so.

Here, we will explain how to practice sitting up for your baby.

Let’s practice sitting up

Even though you are told that don’t panic when your baby can’t sit up by 8 months, you may still want to see your baby sit up as soon as possible. As mentioned earlier, sitting up becomes possible when the muscles of the hips, buttocks, and thighs are developed. In order to develop the muscular strength necessary for sitting up, let’s do a little training with your baby while you have physical contact with him or her. You may have heard that “Practicing sitting up is bad for the spine” However, don’t worry too much since there are no negative effects if done correctly.

First, sit with both hands on the floor!

The key to a well-balanced sitting posture is to increase the area where the buttocks and thighs touch the floor. First, support the hips and buttocks firmly so that the baby can sit with his or her legs spread apart, and let the baby hold his or her hands between the legs. If the baby seems wobbly or unsteady, you can sit behind the baby and hold the baby’s bottom between the knees to keep the baby in a stable sitting position.

Try putting a toy right in front of him!

Once the baby is able to hold the sitting posture with the parent supporting him or her, try placing a toy in front of the baby. By using both hands to play with the toy, they can practice sitting up without using their hands. At the same time, they can kill two birds with one stone by strengthening their core, arms, and legs.

What is the appropriate chair for a child is unable to sit up?

Next, we will explain what kind of chair to choose to keep your child seated during the period when she is unable to sit up unassisted. If the chair allows him to sit alone for a little while, it will be helpful for small chores or when mom needs to go to the bathroom.

Infant support chair

The infant support chair allows infants to sit with their hips and thighs securely in place. Babies who are unable to sit up unaided can sit in these chairs as long as their heads are fully up and their back and hip muscles have developed to a certain degree. There are a variety of products on the market, so choose one that your baby will enjoy by carefully examining its color, design, texture, and other factors.


Bouncers, which can be used from the time a baby is a newborn, are also useful for keeping a baby who cannot sit up. If the bouncer rocks with the baby’s movements, the baby may enjoy the rocking and play alone in a good mood.

Baby rack

Like the bouncer, the baby rack can be used from the time the baby is a newborn. The height and angle can be adjusted, and a desk can be attached to the rack for feeding the baby. Some products have an electric cradle function, which is useful for putting babies to sleep.

My baby can’t sit up yet, watch out for this!

Since babies’ development varies from person to person, most babies will eventually learn to sit up, even if they are unable to do so after 7 to 8 months, which is the general guideline. However, it is also true that in some cases, developmental delays are caused by diseases or disorders of the nerves or muscles. If you notice delays in sitting up and also any of the following, please consult your doctor or health care provider as soon as possible.

  • A baby is unable to sit up, even with support for the hips and buttocks.
  • Weak muscles and slumped arms and legs.
  • The child had trouble at birth, such as neonatal distress.
  • The child’s development such as sitting on the neck and turning over is also significantly delayed.


The ability to sit up is an important indicator of a baby’s motor development. Development varies from person to person, and most babies will grow without problems even if they are behind the general guidelines.

However, some cases may be caused by illness or disability, so if you are concerned, consult a doctor or public health nurse at a medical checkup or another such occasion. It is also important to devise ways to play with the baby and support the baby’s body so that the baby can sit up smoothly.

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