[Knee joint arthrosis of the miner--an occupational disease. On the double etiology of gonarthrosis of the miner].

The etiology of the osteoarthrosis is a multifactorial causality. Some factors, the preosteoarthrotic deformities, which concur with the recovery, are well known. The factors of the primary osteoarthrosis are still in the dark and require research.

[Axial malalignment of the leg and meniscus damage as an occupational disease].

Only a few people who perform activities that involve straining the meniscus actually suffer from meniscus lesions. Strain due to occupational activities does not itself lead to meniscus degeneration. However, meniscus-straining exercises activate the individual tissue inferiority, leading to what is considered an occupational disease.

[Conservative treatment of scaphoid bone fracture of the wrist].

The status of fractures of the scaphoid bone in clinical statistics on fractures depends on the age of the patients, the population treated in a particular clinic, and the number of nearby sports fields. Most frequently, fractures of the scaphoid bone occur as a result of falling on an outstretched hand while playing soccer. This kind of injury is typical of people between 15 and 45 years of age.