## 5 Discussion  
The results obtained in the article show that people who had acquired the habit of the fall performed backward with side aligning of the body by practicing martial arts turned out to be significantly less likely to injure the head during a fall (Table 4). During all the tests performed, only one person during one attempt in the FFT had the \"head\" mistake of defending themselves too long before falling (Table 2). A survey among students revealed that students in group A had not received training in safe falls. In group B, however, students had undergone such training. Teaching falls is essential before practicing self-defense techniques in aikido, for example [19; 20; 27]. The results obtained therefore suggest that through practicing falls, one can get into the habit of protecting the head from hitting the ground. Some scientists show that there is significantly less susceptibility to injury to the body during a STBIDF fall test achieved by people who practice martial arts and sports [28; 29]. Other reports show that handball players who acted in a way similar to the gymnastic backward roll had a much lower risk of injuring the head during a fall compared to physical education students who had not trained a specific sport [22; 30]. According to a survey carried out among coaches, these skills did not result from additional training, but rather from the experience gained by players falling backwards during the game. Summarizing the current scientific reports suggests that the risk of head injury during a backwards fall is less significant for those who practice sports requiring backward falls during competition. According to [PERSON], [PERSON] and [PERSON], [31], there is no ideal falling technique. It should always be adjusted to its prospective use--for instance, to a sports discipline to be practiced. It does not make sense for footballers, or volleyball players, or the general public to practice judo falls to avoid injuries. Based on biomechanical analysis, [PERSON] states that it is important to take into account the direction of the velocity with which a person hits the ground and the type of correct fall technique depends on it [8]. If the vertical component of velocity is large compared to the horizontal component, it is important to move to the roll as quickly as possible. In this case, the fall technique performed in a way similar to the gymnastic backward roll makes sense. It is especially important in jumping on a trampoline [32] where the vertical component of velocity is very large. In general, for various types of gymnastic jumps, symmetrical movements are necessary in order to result in a symmetrical load in the hip joints during landing after the jump. However, the question arises as to what technique of falling back should be of the most use in everyday life. A common cause of falls is a slip, which is dominated by the horizontal component of speed. Performing jumps in the vertical direction during daily physical activity is rare--it concerns only sports to a larger extent. If the fall causes acceleration in the horizontal direction, the fall performed backward with side aligning of the body appears to be a suitable fall technique. However, considerations on adjusting the appropriate fall technique to the specific physical conditions causing it should be supplemented with measurements of acceleration obtained by individual body segments during impacts against the ground [22]. In the opinion of the author of the article, research should be undertaken in order to answer the question which movement habits acquired through school gymnastics during the roll-back exercises may be useful during a backwards fall in terms of head protection. Certainly, doing the so-called cradle is beneficial [15]. However, the head-rolling aspect in the final stage is debatable. The head can be protected by the proper ejection of the body by the movement of the upper limbs against the action of rolling over the head [6; 23]. This is to prevent the head from contacting the ground.