Why children need to be active every day

Many parents associate children’s physical development exclusively with sports clubs. If a child does not attend gymnastics or football, adults often feel that they are falling behind their peers. At the same time, children today spend more time in front of mobile phones and tablets than they do outdoors.

Clinical guidelines from the World Health Organisation and the American Academy of Paediatrics take a different view on this matter. A child’s body does not require Olympic-level performance. For harmonious skeletal growth, brain development and psychological well-being, a child needs a variety of physical activities every day.

How a child’s body responds to regular movement

During periods of active growth, a child’s muscle tissue, bones and ligaments adapt to the signals they receive. Movement triggers a whole cascade of physiological reactions that build up a reserve of strength for the whole of adulthood.

Development of skeletal density

The impact load from running and jumping is an essential stimulus for bone mineralisation.

The mechanical compression of bone structures during skipping or active games stimulates bone cells. Calcium and phosphorus salts accumulate in the bones, forming a strong skeleton. Peak bone mass is established during childhood and adolescence, which protects a person from fractures in later life.

The Brain and Motor Coordination

Controlling one’s own body in space requires the coordinated work of muscle receptors, the vestibular system and the cerebellum.

When a child climbs a play ladder, balances on a kerb or catches a ball, the nervous system builds new neural pathways. The child learns to instantly judge distance, regulate muscle effort and shift their centre of gravity. This skill is developed solely through practice via spontaneous motor activity.

Complex cross-coordination of arms and legs actively strengthens the neural pathways between the right and left hemispheres of the brain. Internal sensors in the joints and tendons continuously send signals to the cerebral cortex about the position of each part of the body, even without visual control. Well-developed motor coordination helps children to master everyday skills more easily, hold a pen confidently whilst writing, and avoid accidental injuries in daily life.

What has been proven by experiments and what observations have revealed

In paediatric physiology and neurology, researchers make a strict distinction between direct biological evidence and data from population-based statistical surveys.

Established principles of clinical medicine

Laboratory and clinical trials confirm several indisputable facts:

Muscle contractions increase the sensitivity of peripheral tissues to insulin and reduce the risk of developing paediatric metabolic syndrome.
Dynamic aerobic exercise stimulates the growth of the capillary network in the lungs and heart muscle, leading to high physiological endurance.
Complete muscular inactivity lasting more than two consecutive hours slows blood flow in the large veins of the lower limbs and impairs oxygen saturation in cells.

Data from epidemiological studies

Statistical surveys of schoolchildren show consistent associations between a physically active lifestyle and academic achievement.

Doctors have observed a positive statistical correlation between daily walks, physical education classes and marks in maths and reading. However, researchers highlight the complexity of this relationship. Children who are highly physically active often grow up in families that pay greater attention to sleep patterns, a balanced diet and psychological well-being. Therefore, physical activity creates a favourable foundation for brain function, but does not in itself replace the learning process.

A similar pattern is observed when assessing emotional well-being. Long-term surveys confirm a reduction in children’s anxiety levels when they take regular walks. Physical activity accelerates the breakdown of adrenaline and cortisol, but family support remains the key factor in a child’s emotional balance.

WHO physical activity guidelines by age

The need for physical activity depends on the stage of skeletal development and the maturation of the nervous system. International guidelines provide clear age-based benchmarks without overloading children.

Infants in their first year of life should be able to move freely on the floor in a safe space several times a day. For children who are not yet able to crawl independently, it is essential that they spend a total of at least thirty minutes a day on their tummy whilst awake. This strengthens the muscles of the neck and shoulder girdle and prepares the back for sitting.
Toddlers aged between one and two years require at least three hours of varied physical activity per day. This time can be accumulated in short bursts: walking around the flat, playing in the sandpit, simple dancing or games of tag. At the same time, a child should not spend more than one hour at a time in a pushchair or high chair.
Three- and four-year-olds also need three hours of physical activity per day, but at least sixty minutes of this must consist of moderate- to high-intensity active play.
Schoolchildren and teenagers aged between five and seventeen should aim for at least sixty minutes of moderate or vigorous aerobic activity every day. At least three days a week, this should include exercises to strengthen bones and muscles, such as running, active ball games, jumping and sports activities.

How to incorporate physical activity into the daily routine

Children do not need to attend expensive sports centres to stay healthy. Simple everyday choices help them meet age-appropriate activity guidelines without unnecessary expense.

Replace car journeys with walks and set a good example as a family. If the journey to school or nursery takes less than twenty minutes, walk the route together. Children pick up their parents’ habits without needing to be told: joint walks in the park, cycling and taking the stairs instead of the lift instil an interest in an active lifestyle for years to come.
Maintain a sensible balance with screen time without imposing strict bans. Passive screen time is not recommended at all for toddlers under two, whilst for children under four, the safe limit is one hour a day. For schoolchildren, tablets and smartphones should not take the place of a full night’s sleep and daily active play outdoors.
Give your child the freedom to choose and praise them for their effort. Forced participation in sports clubs often leads to resistance and a distaste for sport. Let your son or daughter choose for themselves whether to do rollerblading, swimming, badminton in the garden or climbing on playground equipment. Encourage the joy of being active and their own personal efforts, whilst avoiding comparisons with other children’s achievements.

Warning signs of physical overexertion

Physical activity should bring vitality and a positive mood. If sessions become a source of chronic pain and stress, the routine needs to be reviewed immediately.

Stop all exercise immediately and take your child to see a doctor in the following situations:

the onset of a pressing pain in the chest, severe shortness of breath or blue lips whilst running;
sudden fainting, dizziness or blurred vision during physical exertion;
limping and persistent pain in the knees, hips or heels;
a sudden loss of appetite, disturbed sleep and constant daytime lethargy;
a panic-stricken fear of training and increasing aggression at the mere mention of sport.

A timely visit to a paediatrician or paediatric cardiologist can rule out any underlying medical conditions and help to establish a safe training regime that does not harm the growing body.

Children’s sport should remain a joyful way of exploring the world and their own capabilities. Regular walking, active outdoor games and parental support lay a solid foundation for a child’s good health for many years to come.

FAQ Answers to frequently asked questions

Is it essential to enrol a pre-schooler in a sports club?
No. For the harmonious development of a healthy child under the age of seven, free-play on the playground, running, climbing and daily walks in the fresh air are quite sufficient. A sports club is only beneficial if the child shows a genuine interest in it themselves.

Is it true that sport helps children perform better at school?
Yes. Physical activity stimulates blood circulation in the brain and helps relieve mental fatigue after lessons. However, sport is only beneficial when combined with a good night’s sleep and a healthy family environment.

How long a day can a child safely spend on their mobile phone?
The World Health Organisation does not recommend screen time for children under two years of age. Pre-schoolers are allowed no more than one hour a day in front of a screen. For schoolchildren, digital devices should not take the place of the mandatory hour of physical activity and nine hours of sleep.

What should you do if your child flatly refuses to be physically active?
Do not force your child or make them feel ashamed. Start with simple and enjoyable activities you can do together: walks along unfamiliar park paths, trips to the zoo, riding scooters or swimming in the pool.

Is it okay for a child to do sport every day?
Yes, daily physical activity is beneficial for a child’s body. It is important to alternate intense training sessions with days of light, gentle walks so that their bones, ligaments and nervous system have time to recover fully.