As a result, a person can get sprains, muscles and tendons?

Most often, sprain of the ligaments, muscles and tendons occurs with irregular, sudden and sudden movements that go beyond the normal range of motion of a given joint (for example, tucking up the legs, lateral turns of the leg with a fixed foot).

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.