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The article discusses a study related to the evaluation of Cumulative Trauma Disorders (CTD) conducted in with group of supermarket cashiers living in Pisa, Italy. As per the study, standardized questionnaire and clinical examination have been performed in 128 female cashiers. The study mentions that elettroneurography and echography have been performed. The study further concludes that the percentage of CTD is more elevated in general population.

The articles describes a case of radial artery thrombosis by repeated microtrauma. It describes, by one side, the occupational history, the personal habits and the typical movement and condition of the hands while working, on the other, the clinical and diagnostic picture of radial artery thrombosis. Then it shows the correlation between occupational factors and radial artery thrombosis and so the occupational genesis (repetitive microtrauma) of the disease.

A brief outline is given of the current status of the insurance "coverage" provided by INAIL for WMSDs. In breach of a specific European Union recommendation, in Italy various WMSDs can be recognised as occupational only based upon sentence No 179/88 of the Constitutional Court, since such disorders are not included in the list attached to DPR law 336/94. At present, during the period 1990-95, INAIL awarded indemnities in only a handful of cases. Details are provided concerning the evidence that must be submitted in the specific case of claims pertaining to suspected occupational diseases. The authors discuss the problems associated with quantifying injuries for the purposes of claiming indemnities for work-related musculo-skeletal disorders.

In the light of data and speculation contained in the literature, and based on procedures illustrated in a previous research project in which the authors describe and evaluate occupational risk factors associated with work-related musculoskeletal disorders of the upper limbs (WMSDs), this article proposes a method for calculating a concise index of exposure to repetitive movements of the upper limbs. The proposal, which still has to be substantiated and validated by further studies and applications, is conceptually based on the procedure recommended by the NIOSH for calculating the Lifting Index in manual load handling activities. The concise exposure index (OCRA index) in this case is based on the relationship between the daily number of actions actually performed by the upper limbs in repetitive tasks, and the corresponding number of recommended actions. The latter are calculated on the basis of a constant (30 actions per minute) which represents the action frequency factor, and is valid-hypothetically-under so-called optimal conditions; the constant is diminished case by case (using appropriate factors) as a function of the presence and characteristics of the other risk factors (force, posture, complementary elements, recovery periods). Although still experimental, the exposure index can be used to obtain an integrated and concise assessment of the various risk factors analysed, and to classify occupational scenarios featuring significant and diversified exposure to such risk factors.