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Physical therapy is application of different kinds of energy for treatment. It provokes reactions by stimulation using physiological principles. Physical measures induce immediate effects as well as long-term reactions with adaptation. In diseases of the locomotor system in higher age, physical therapy is applied for diminishing pain and stiffness, amelioration of metabolism and function and especially for the maintenance of functional independence. Also fitness, good health and self-confidence can be stimulated. The age-dependent pecularities of the locomotor system, the skin and the cardiovascular system should be taken into consideration. Each method of physical treatment (hydrotherapy, heat and cold treatment, massages, exercise treatment, electrotherapy) has its age-specific peculiarities, which should be known by the treating physician. Modification of treatment can become necessary also by the kind of the disease. Dosage and technics of physical therapy must be adapted individually and supervised carefully.

Running is one of the most popular leisure sports activities. Next to its beneficial health effects, negative side effects in terms of sports injuries should also be recognised. Given the limitations of the studies it appears that for the average recreational runner, who is steadily training and who participates in a long distance run every now and then, the overall yearly incidence rate for running injuries varies between 37 and 56%. Depending on the specificity of the group of runners concerned (competitive athletes; average recreational joggers; boys and girls) and on different circumstances these rates vary. If incidence is calculated according to exposure of running time the incidence reported in the literature varies from 2.5 to 12.1 injuries per 1000 hours of running. Most running injuries are lower extremity injuries, with a predominance for the knee. About 50 to 75% of all running injuries appear to be overuse injuries due to the constant repetition of the same movement. Recurrence of running injuries is reported in 20 to 70% of the cases. From the epidemiological studies it can be concluded that running injuries lead to a reduction of training or training cessation in about 30 to 90% of all injuries, about 20 to 70% of all injuries lead to medical consultation or medical treatment and 0 to 5% result in absence from work. Aetiological factors associated with running injuries include previous injury, lack of running experience, running to compete and excessive weekly running distance. The association between running injuries and factors such as warm-up and stretching exercises, body height, malalignment, muscular imbalance, restricted range of motion, running frequency, level of performance, stability of running pattern, shoes and inshoe orthoses and running on 1 side of the road remains unclear or is backed by contradicting or scarce research findings. Significantly not associated with running injuries seem age, gender, body mass index, running hills, running on hard surfaces, participation in other sports, time of the year and time of the day. The prevention of sports injuries should focus on changes of behaviour by health education. Health education on running injuries should primarily focus on the importance of complete rehabilitation and the early recognition of symptoms of overuse, and on the provision of training guidelines.

An analysis has been made of days off work prior to and following a course of treatment in clinics for rehabilitation. A comparison of pre-treatment and after-treatment three-year periods revealed a small decrease of 8 days (9.2%). The youngest age group had the most time off work and--measured in terms of days off work--also the greatest response to treatment. Also after post-hospital rehabilitative treatment clear, though not statistically significant, reductions in the number of days off work were observed. The most striking changes were seen when (only) total number of working days lost prior to the course of treatment was recorded: in the case of high pre-treatment figures for working days lost, a considerable decrease was subsequently observed, while in the case of low working days lost figures, a marked increase in days off occurred. With respect to some of the groups participating, the methodological approach we employed did not make it appear probable that (measured in terms of total working days lost) these groups were "more pathological". It must be pointed out that these results were obtained in relatively small groups; it was not possible to extend the investigation.