Un enfoque diacrónico de los TME : uso de datos cuantitativos en una gran empresa Uma abordagem diacrónica das LME : o uso de dados quantitativos numa grande empresa Une approche diachronique des TMS : usage de données quantitatives dans une grande entreprise A diachronic approach of MSD : use of quantitative data in a large company

This communication aims to present a cross-perspectiverobotics, industrial engineering, sociology and ergonomicsresearch project experience dealing with development of collaborative robotics in SMEs. Our conviction is that Industry 4.0 must imply : (1) "departinionning" of disciplines involved in the design of work situations and (2) construction of hybrid approaches for understanding and transforming work. In this communication, we propose to relate such an experience on the basis of a research project -funded by the French National Agency for Reseach (ANR) , and focused on transformation of French Small and Middle Companies (SMC's) in relation to introduction of Collaborative Robotics. Collaborative Robotics is of particular interest for us as it embeds promises and pitfalls of articulation between technologies and work. However, these promises may be discussed and tempered by confronting them to actual design issues, work organization and transformation of work management.

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The aim of this research is to understand safety-performance articulation in spearfishing through the study of the global, specific, and temporal organization of an elite free diver's activity. Three kinds of data were collected: diary reports, ten elicitation interviews on spearfishing, and two self-confrontation interviews on successful and failed apneas. The results indicated (1) the spearfisher's global organization during the spearfishing set, (2) the alternation of intentions during apnea and periods of stabilization, (3) harmony with the environment, and (4) the strategy of keeping pace with the fish. The article will discuss the specific competence development needed to manage the safety-performance relationship in extreme sports. Drawing on its findings, the article proposes improvements to the safetyperformance relationship in risky activity.