In young athletes with their underdeveloped bone system, the bones are more supple, the cartilage is softer, and the ligaments, on the contrary, are more powerful. Therefore, if some burden in an adult athlete leads to a rupture of the tendon or ligament, then in a junior a similar burden can cause a fracture of the apophysis or pineal gland. If the treatment is not carried out correctly, there will be a violation of bone development – Osgood-Schlatter disease. This disease was first described at the very beginning of the 20th century. It occurs most often in boys aged 11 to 15 years. The reason is the injury (rupture) of the patella ligament in the area where the ligament is attached to the tuberosity of the tibia. Symptoms of the disease are pain and some localized swelling of the soft tissue. Continue reading
Volleyball is a team sport in which two teams compete on the court, separated by a net, while striving to direct the ball so that it is on the opponent’s court, or so that the player of the defending team makes a mistake. When organizing an attack, it allows players of one team no more than three touches of the ball in a row. There are various types of volleyball: 1) Beach volleyball 2) Mini-volleyball 3) Pionerball 4) Park volleyball.
HISTORY OF VOLLEYBALL
The history of volleyball began in the USA in 1895. The founder of this game was pastor William Morgan, a college teacher, who proposed to call the game “volleyball”, which is translated from English as “flying ball” (from “volley” – to hit on the fly and “ball” – the ball). Continue reading