When and how was walking invented?

When and how was walking invented?

The ability to walk upright on two legs is one of the defining characteristics of human beings. This adaptation allowed early humans to travel greater distances, hunt more efficiently, and use their hands for other tasks. In this article, we will explore the origins of walking, when it emerged, and how it has evolved over time.

The Evolution of Walking

Walking, also known as bipedal locomotion, is a skill that evolved gradually over millions of years of human evolution. Our early ancestors, such as Sahelanthropus and Orrorin, were bipedal but still retained adaptations for climbing trees. However, by around 4 million years ago, the Australopithecus genus had evolved, and these hominids were better adapted to walking on two legs.

Although the exact reason for the evolution of bipedalism is still up for debate, scientists have proposed several theories. One theory suggests that bipedalism arose as a response to environmental changes, such as the expansion of grasslands, which required early humans to cover greater distances to find food. Another theory proposes that bipedalism freed up the hands for tool use and other tasks.

The Advantages of Walking

Regardless of the exact reason for the emergence of bipedalism, it provided several advantages to early humans. Walking upright on two legs allowed early humans to travel more efficiently and cover greater distances, which was essential for finding new food sources and expanding into new territories.

Walking also allowed early humans to use their hands for other tasks, such as carrying objects and making tools. This was a significant advantage over other animals that relied solely on their mouths for these tasks.

Walking is a popular and effective way to stay healthy and active, and it has many advantages that make it a great form of exercise for people of all ages and abilities. Here are some of the benefits of walking:

  1. Promotes heart health: Walking is a low-impact exercise that helps to strengthen the heart and improve blood circulation. By doing so, it can reduce the risk of heart disease, stroke, and high blood pressure.
  2. Helps with weight management: Walking is a simple and effective way to burn calories and manage weight. It is a low-intensity exercise that can be done regularly without putting stress on the body.
  3. Strengthens bones and muscles: Walking is a weight-bearing exercise that helps to build strong bones and muscles, particularly in the lower body. This can help to prevent conditions such as osteoporosis and improve balance and coordination.
  4. Improves mental health: Walking is a mood-boosting activity that can help to reduce stress, anxiety, and depression. It releases endorphins, the natural chemicals in the brain that make us feel good, and provides an opportunity for social interaction and connection with nature.
  5. Increases energy levels: Walking improves oxygen and nutrient delivery to the body, which can help to increase energy levels and reduce fatigue.
  6. Lowers the risk of chronic diseases: Regular walking can lower the risk of chronic diseases such as diabetes, cancer, and Alzheimer’s disease.
  7. Improves sleep: Walking can help to improve the quality and duration of sleep, leading to better overall health and wellbeing.
  8. Enhances brain function: Walking has been shown to improve cognitive function, memory, and creativity. It can also reduce the risk of cognitive decline in older adults.
  9. Is accessible and cost-effective: Walking is a simple and free activity that can be done almost anywhere, without the need for special equipment or facilities.

The Evolution of Walking Gait

As humans continued to evolve, their walking gait became more specialized for different environments. For instance, some early humans, such as Homo erectus, were adapted to walking long distances on open savannas. This adaptation was necessary for hunting and gathering food over large areas.

Other early humans, such as the Neanderthals, had a more robust and muscular build, which was well-suited for walking and hunting in colder climates. These adaptations allowed them to survive in regions where other early humans may have struggled.

The Modern Walking Gait

Today, the human walking gait is a complex and finely-tuned system involving multiple joints, muscles, and bones. Our walking gait is unique because of the structure and arrangement of our bones and muscles, which differs from that of other animals such as dogs or cats.

When we walk, our body weight shifts from one foot to the other as we swing our legs forward. This creates a smooth, rolling motion that is efficient and energy-saving. Our walking gait is also adapted for different terrains and speeds. For example, when we walk uphill, we use different muscles and joints than when we walk downhill or on level ground.


Walking, or bipedal locomotion, evolved over millions of years of human evolution. The ability to walk upright on two legs was a crucial development in human evolution, allowing early humans to travel farther and more efficiently and use their hands for other tasks. As humans continued to evolve, their walking gait became more specialized for different environments. Today, our walking gait is a complex and finely-tuned system that is unique to humans.

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