10 Amazing Brain Physical Development in Infancy

The infant’s brain starts to take shape in one year, with a baby’s motor skills increasing at around two months or so after birth. These skills become more complex by 2-3 weeks as muscles get bigger and connections between nerve cells are strengthened.

Body Movement

These neural brain networks also play an important role in regulating movement and motor planning. If you were a mother, you might want to encourage your child to sit down on their knees or crawl using objects and toys.

The baby will start to walk and move at around seven to 10 months old, and by this time, the baby can lift up a toy bottle or even poke its head out of its crib.

Photo by Yan Krukov

They can sit still at about 24 months old, but it is best to wait until they reach 3 to 4 months before trying to do things like crawling or sitting still.

At 24 months, they should still be crawling and sitting still, and you don’t need to worry about this as the baby should start to walk.

Your child at this age may also enjoy being in a car seat. They don’t have to be strapped in as some babies prefer their cars to others and can sit safely.

When my sister was pregnant with her daughter, she ensured she was always comfortable. If she wasn’t happy, she would adjust the way we sat.

she immediately noticed that when she pushed her along, she would always stop running back to where she was because she couldn’t see.

She could only see in front of them, which wasn’t very safe because if they went down the wrong way, it would hurt them or let them fall.

We have three different kids, so this isn’t any problem for us, but the other girls in our family are usually older and maybe even have jobs.

At the same time, the average height for infants is now 7 and 6 inches from the floor, and you can see these children at this age.


My sister’s sons have grown over the past few years, but not at different rates. So, it seems my sister’s eldest son is taller than the middle one.

Both boys will start to walk by the end of 12 months, so keep watching out for small movements, and if you feel anything unusual from them, it might indicate a developmental delay.

You may have observed the difference between the two because of changes in muscle strength, but other physical indicators include muscle tone, skin color, cheekbones, hairline on the crown of the skull, length of the thumb, weight, fat mass, ear size, and eye color.

From age 1 until age 5, you don’t need to pay any attention to the length of the toes.

For example, a little girl’s feet are typically 9 inches long, and those of a boy is generally 12 inches long.

This doesn’t mean the feet aren’t beautiful; they aren’t the same size.

Body Shape

A tall person can sit cross-legged. Most people believe a big chest is a sign of power, but it isn’t.

A small chest isn’t necessarily bad because it gives you more oxygen to carry through the room.

A thin waist could have several reasons, such as being able to stand more easily and helping you maintain a healthy posture.

Five Physical Assessments

There are many ways to tell how well someone is physically developed, such as height. However, five physical assessments you can do during pregnancy can indicate whether or not your baby is developing at a normal pace.

All you need to know is what you’re looking for. First, you will need to check your measurements. Measurements are numbers indicating what the baby is carrying.

Usually, when you measure the baby, you will feel at the top of the uterus and its length by the abdomen.

The second thing is to check your neck. Again, measurement is done here, and the reason is that it helps you know where your baby is hanging.

Photo by Victoria Borodinova

Finally, look at your spine and compare it with each other. Remember that a baby’s spine resembles a hockey stick at one point. It is not really flat and is shaped slightly differently.

The final assessment is your head. Make sure you check your forehead and see the sides of the skull.


Look at the length of the ear lobes and how deep the ears are.

See if your baby is growing or their ears are getting bigger. Then, see if they have a full set of eyes and how close they are to the ground.

Remember that looking close and noticing the baby’s eyes helps you know they can open when they see something or someone.

Be careful; however, if your baby is constantly blinking and moving their eyes, they are probably awake as it’s difficult to tell if they are sleeping.

Photo by willsantt

The last assessment is your arm, usually done with the most sensitive part of the wrist on the upper part of your arm.

Here, you should check how much flexibility the shoulder has. Try and notice any changes in how big the bones are.

Have they started to turn grey?

Are they starting to form a bone structure?

Any sudden change can indicate what is going wrong and how to determine what’s going wrong.

That doesn’t mean you must consult a doctor, but if there isn’t any clear indication that something isn’t right, check with your dad first because he will know what to do.

Hormone Level

At the same time, if you notice an abnormal temperature or feel tired, there could be something wrong with the hormone level in your blood.

It could also mean that your baby needs medication for asthma or hypothyroidism, both of which affect your baby’s health.

Because your child is likely developing quickly, they should not be given antibiotics as soon as prescribed, and taking longer with every new day might affect their growth.

Photo by Yan Krukov


Some doctors suggest giving them vitamin D supplements to help them absorb calcium or vitamin K. A single supplement can increase growth hormones and reduce the risk of low bone density, leading to fractures.

Remember to talk to your pediatrician before taking any kind of vitamin and vitamin D, especially if your baby is under 6 months old.

Don’t give any over-the-counter medication unless your doctor prescribes a prescription; otherwise, they won’t be safe for your baby.

As my father did, I am very cautious when giving a child any over-the-counter medications as they may overdose or cause problems for themselves or other children.

But it’s not too late to talk about it, which is why I often take him and my sister’s son on walks to ensure that we aren’t forgetting the dosage and keep track of every drop.

How To Promote and Maintain Their Growth

You can monitor your child’s growth by checking their weight. If your child changes their size, this can show a possible metabolic syndrome early in life, defined as several organs that don’t work properly, such as the heart, brain, and metabolism.

Body Mass Index

Body mass index (BMI) is calculated by measuring height and weight and divided by an adult’s height and weight.

BMI is a good way to check your child because your child also weighs. With BMI, you can see if the child was gaining weight and if they were eating enough.

BMI can also help you figure out other factors, such as family history if your baby has genetic mutations, and much more.

Growth Rate

If you are worried about your child’s growth rate, it can be helpful to figure out their height and weight.

If your child is overweight or obese, they may be prone to obesity; a high BMI may alert you.

Obesity is harder to treat than weight gain, so try to catch signs of obesity early on and focus on controlling weight and keeping your child active.

It is not advisable to push your children to lose weight too quickly. Kids tend to eat more junk food and have a larger portion as they grow up.

So, try and limit junk food options, don’t share, watch what you’re feeding your kids, and buy snacks in smaller portions.


Lastly, ensure that your child is getting enough sleep because the lack of sleep can lead to sleep apnea which means a lot of breathing issues.

If you are struggling to cope with your child’s extra pounds, they may need to have a medical evaluation.

Doctors will examine your child’s lungs, heart, liver, kidney, thyroid, and bladder.

Another test performed by a doctor is called a cardiac ultrasound. A cardiologist will check your child’s kidneys and how accurate their urine test results are.

Photo by Aleksandr Balandin

Kidneys can affect your child’s growth by affecting their overall body temperature. Since temperature affects growth, it can also affect the ability of your child to concentrate and memorize things.

A proper diagnostic evaluation can help determine what your child requires and when they need treatment.

If you notice something is wrong, you can speak to your child about what you noticed. Maybe your child does not want to drink water or pee like I used to; instead, it’s getting quite bad, and you are concerned about their health.

At that moment, remember that they love doing nothing but sitting quietly and drinking water.

Instead of shouting at them, tell them to sit and listen calmly.

Ask your child to talk about the situation in a calm, calm voice. It is better to do this with someone their age than alone as they might.

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