Situating the Embodied Mind in a Landscape of Standing Affordances for Living Without Chairs: Materializing a Philosophical Worldview
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Sitting too much is unhealthy, but a widespread habit in many societies. Realizing behavioral change in this area is hard. Our societies promote being seated via the way its places are structured: they are filled with chairs for example. How can we make healthier environments that invite people to move around more? This article shows how philosophical research in the area of embodied/enactive cognitive science let to a built vision for the office of the future, of 2025. Multidisciplinary studio RAAAF [Rietveld Architecture-Art-Affordances] and visual artist Barbara Visser built this world without chairs, titled The End of Sitting. This large rock-like landscape integrates many affordances for standing. Affordances are the possibilities for action provided by the environment. This landscape of standing affordances allows people to work standing while being supported by the material structure of the environment. This unorthodox working landscape is both an enactive art installation and the materialization of a philosophical worldview that understands people as embodied minds situated in a landscape of affordances. It stimulates reflection on the way built environments can naturally invite more active and healthy behavior.
In our many societies almost the entirety of our surroundings have been designed for sitting, while evidence from medical research suggests that too much sitting has adverse health effects.
The philosophy of embodied cognitive science suggests that the possibilities for action provided by the material environment structure our behavior. People can generate behavioral change by radically changing these environmental affordances in the places they spend their lives.
The architectural art installation The End of Sitting presents a thinking model for living without chairs: a landscape of possibilities for supported standing that increases bodily activity and well being.
Office workers are addicted to sitting. We sit even though we read every day in the newspapers that “sitting kills” or that “sitting is the new smoking”. We like the comfort of chairs and, in countries like The Netherlands, the United States and Australia at least, are living in a sitting society. We sit at the breakfast table, we sit in the car, we sit in the cinema, and we sit in front of our laptop computers. One scientific study on the sitting epidemic  followed over 220,000 Australians to investigate the relationship between sitting time and all cause mortality. It found that those who sit 11 h or more per day have a 40 % higher risk of dying in the next 3 years than those who sit 4 h or less. Even when one exercises every day, one does not compensate for the many hours spent seated (for a review and meta-analysis of studies on the health effects of sitting see Biswas et al. ). Why is sitting unhealthy? Van der Ploeg et al. [7, p. 497] argue that at least one major reason is that it reduces metabolic function because of the lack of movement involved.
Why do people typically sit down when they enter a place, say an office? Why do they sit, even though many people already know that sitting too much is unhealthy? People sit because the places in which they spend their lives are structured around being seated. In fact, in a European country like The Netherlands, for example, the entire society is structured around sitting: offices, movie theaters, cars, schools and restaurants are filled with chairs. In public transport, in a train, for example, one feels unlucky if one cannot sit. In our society we even use standing as a punishment for children, we make them stand in the corner.
Let us assume that sitting is as unhealthy as the above-mentioned studies [7, 8] claim. How then can architects make an environment that invites people to alternate physical postures and break the inactivity of sitting? The objective of this article is to present an alternative for sitting, taking the perspective of the philosophy of embodied/enactive cognitive science [1, 2, 5, 9], and show how these philosophical ideas have actually materialized in a new environment. The term ‘enactive’ refers to the non-cognitivist paradigm within the philosophy of cognitive science that takes insights from the phenomenological tradition seriously (e.g., Merleau-Ponty’s work ) and suggests that it is skilled engagements with the environment in concrete situations that should be the starting point for understanding the cognition of living organisms [2, 5, 6, 9, 18]. An enactive art installation like The End of Sitting aims to place visitors temporarily in a world that is different from the one they normally take for granted. In this case affordances for sitting have been replaced by the (initially at least) disorienting landscape of affordances for supported standing in which the person is embedded and that engage different abilities than those normally used.
2 The Philosophy of Affordances
One of the main findings of our own philosophical research on embodied cognition in everyday life and expertise is that it is not explicit thoughts or explicit intentions that drive our skilled actions but relevant affordances [3, 10, 11]. Affordances are the possibilities for action offered to us by the environment [1, 4, 5, 6, 12]. The floor affords walking, a cup affords grasping and a chair affords sitting. However, a chair also affords moving and leaning on. So a particular aspect of the environment can offer a multiplicity of possibilities for action.
In recent philosophical work (, p. 335) we have argued for a more precise definition of affordances as relations between (a) aspects of the socio-material environment, and (b) abilities available in a ‘form of life’  (for more traditional accounts of affordances, see Withagen and Caljouw  or Chemero ). The notion of a ‘form of life’ comes from the work of Wittgenstein  and refers to a kind of animal (say lions, earthworms or humans) as characterized by the regular patterns in its behavior; to its regular ways of doing things . In our human case, the form of life includes a variety of socio-cultural practices. This definition of affordances suggests that it should be possible to piggyback on peoples’ existing abilities for standing, leaning and hanging to create new affordances for working in all sorts of supported postures. This philosophical insight was, as it were, the basis for the creation of the architectural art installation. It motivated the architects to investigate different ways in which people in their daily lives (say at stations, in coffee bars, airports, etc.) work standing in postures scaffolded by the material environment.
We distinguish affordances available in a form of life or ecological niche from relevant affordances or ‘solicitations’ for a particular individual in a concrete situation . Solicitations are relevant affordances or invitations for action [15, 16]. When an individual encounters an affordance that matters to him or her, for example because using it costs almost no energy, it can generate a state of bodily action readiness . This solicitation-related bodily readiness is why chairs can ‘suck us in’. If we radically change the affordances available in a certain place, we will be able to generate behavioral change. Architects and artists are able to realize such a change in the built environment by creating new affordances.
3 Exploring Affordances for Supported Standing
What would our world look like if we did away with chairs and standing became the new norm? We, that is, multidisciplinary studio RAAAF [Rietveld Architecture-Art-Affordances] and visual artist Barbara Visser, have started experimenting with affordances that support standing in different ways, including supported leaning and hanging. RAAAF was founded in 2006 by architect Ronald Rietveld and philosopher Erik Rietveld, the author of this article. Barbara Visser has a long standing interest in work at the intersection of visual art, architecture and science and is Chair of the Society of the Arts, founded by the Royal Netherlands Academy of Arts and Sciences (KNAW).
The first space we have tried to re-imagine is the office of the future. The starting point for this project was an invitation by the Chief Government Architect of The Netherlands and the Dutch Ministry of Internal Affairs to develop a vision for the office of 2025. We were surprised to find out that current plans for the workplace of the future completely ignored the mounting evidence on detrimental health effects of sedentary behavior: all of the Ministry’s plans for the future took desks and chairs as the starting point. RAAAF has developed the design methodology of strategic interventions. “Strategic interventions are precisely chosen and carefully designed interventions in city or landscape that set a ‘desired development’ in motion.” (Rietveld et al. (2014), p. 80; see chapter 3 of that book  for more on RAAAF’s design method). In this case we wanted to make people aware of the discrepancy between the architectural practice of making spaces that take sitting for granted and the growing evidence that sitting too much is unhealthy [7, 8]; and, moreover, to use an affordance-based architectural design approach to develop an architectural art installation that shows how people could live without chairs in the future.
It is this dynamic of alternation of position that means that one will not stay in the same posture all day, which would be unhealthy as well. To facilitate and invite this alternation we aimed to build an entire landscape of affordances with many different attractive positions.
From reflection by ecological psychologist Rob Withagen and colleagues (Jongeneel et al. ) on an earlier RAAAF project that aimed to invite children to move by providing alluring affordances for climbing, we had learned that one way to generate locomotion was by offering a large variety of affordances. The advantage of this variety in affordances offered is that people with different abilities and body sizes would be optimally supported by the material structure. In The End of Sitting, this variety of affordances was realized by making a landscape that gradually increases in size. For many of the positions, both tall and short people would be able to easily find several soliciting spots somewhere on the rock of standing affordances.
Figures 5 and 6 show the entire sculpture as it was built in November 2014. This will not be the final version of The End of Sitting landscape. This is just the start of a long experimental trial phase up to 2025. We will continue experimenting and make it more inclusive for elderly, blind people and people with other disabilities over time.
4 Living Without Chairs
What is it like to live without chairs in The End of Sitting installation? Empirical research by Rob Withagen and Simone Caljouw of the University of Groningen investigates how people use and experience this landscape. Some of the research questions in that study were: Do the subjects become more energetic? What does working in the landscape mean for their wellbeing?
The End of Sitting is also a platform for scientific research on the office of the future. The subjects of the first empirical study by Withagen and Caljouw  reported that, compared with a traditional open office setting, The End of Sitting landscape was more pleasant to work in and better for their wellbeing . For RAAAF and Barbara Visser these were important and encouraging findings. The architectural concept of temporary comfort of individual positions plus the variety of positions offered by the landscape, which makes switching possible, clarifies why Withagen and Caljouw  could observe that “many participants worked in several postures and changed location” in The End of Sitting. The installation manages to invite people to move more: only 17 % of participants worked in just one posture, which shows that most participants did indeed change, manifesting the dynamic of alternation of non-sitting postures we had aimed for. In addition, the subjects reported that their legs were more tired after working in the standing office, but that they felt more energetic after working in this new work landscape. Furthermore, the empirical study by Withagen and Caljouw  suggests that productivity in The End of Sitting was equal to that in the conventional office setting, but more research is needed to settle this matter. In summary, according to Withagen and Caljouw , The End of Sitting “naturally invit[es] changes in postures and thus movement” and “arguably promotes healthier behavior”. One of the most important open questions for future research on its health effects is what standing in this experimental working landscape means for metabolism of blood sugar and fat, as compared with sitting.
Making people aware of the idea that relevant affordances drive our everyday behavior increases the chances that they start changing the material structure of the different places in which they spend their lives; replacing affordances that trigger unwanted, unhealthy or counterproductive activities with new ones. Replacing old affordances with new ones provides a way of thinking about scaffolding change in other domains of society as well. Discovering unorthodox affordances that can change our socio-cultural practices is creativity in action [21, 22]. Using this kind of discovery, we can make the transition from our sitting society to a more active and healthy society.
This text is based on the transcript of a talk the author first presented at TEDxGhent (June 13, 2015) on The End of Sitting project, which he realized in collaboration with RAAAF and Barbara Visser. The author would like to thank the team of TEDxGhent for that invitation. The author would also like to thank Azille Coetzee, Arna Mackic, Sarah Meuleman, Ronald Rietveld, Thomas Vervaet and three anonymous reviewers for feedback on earlier versions of this text. Finally, the author would like to thank Bastiaan Bervoets and Elke van Waalwijk van Doorn for research assistance.
Art installation The End of Sitting by RAAAF and Barbara Visser in collaboration with Looiersgracht 60 and supported by Mondriaan Fund, Stichting DOEN and The Amsterdam Fund for the Arts (AFK).
Compliance with Ethical Standards
This article was supported financially by a generous VIDI grant by the Netherlands Organisation for Scientific Research (NWO).
Conflict of interest
Erik Rietveld declares that he has no conflicts of interest relevant to the content of this article.
Informed consent was obtained from all individual participants for whom identifying images are included in this article.
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