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The Goldilocks Zone for Movement

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It takes no large leap of the imagination to see that the human body was not shaped for a life in an office chair, car, or couch. Our ancestors were habitual movers constantly engaging in mild to moderate exercise. That is all well and good you may say, but as westerners with lives dominated by sedentary behaviour exercise must be supplemented back into our lives.  A recent meta-analysis on movement lays out guidelines for a “Goldilocks” zone of exercise for maximal health benefits. This approach bestows maximal benefit with as little as 50 minutes per week (equivalent to running just 5-6 miles). The study emphasised diminishing returns from daily high aerobic exercise in favour of more frequent low to moderate exercise such as walking or yoga. The study references of cohort of daily endurance athletes over the age of 45 who were measured to have an increased risk for cardiovascular events as compared to those with a more moderate activity profile. Key Take Aways: Sitting should be limited to 30 minutes at a time punctuated by a “brisk” 5 minute walk Use a sit-standing desk when possible to alternate postures regularly There is no upper limit for mild to moderate…

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Health Benefits of Urban Green Spaces

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A recent article from the BBC contained a shocking statistic that the average American spends “90% of their time indoors.” Though only a survey of the United States, it’s not hard to imagine that across the globe westerners are similarly confined to our homes or places of work. But why should this matter? The author Phillipa Fogarty cites decades of research summing up how time spent outdoors has beneficial impacts on our blood pressure and mental wellbeing while also making us happier and more engaged at work. All we need to do is spend time walking or moving in nature. But before you pack your bags and head for the hills, there is evidence that the same benefits can be gained from just five minutes. The article goes on to say that when compared to indoor “relaxation” training or having a view of the outdoors, the benefits of time outdoors are greatest with short daily walks. So spend a few minutes in a local park on your way to work, as a group as part of a BeUpstanding team, or on your lunch break and bring the benefits of the great outdoors into your own backyard. This article was written…

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Benefits of Walking to Work

The Evidence

By Anna Rasmussen On the 4th October it was Diabetes Australia Walk to Work Day. Walking has become an integral part of my daily routine. I spend between two and ten hours each week walking to and from destinations including university or the hospital where I study, the weekend markets, or the shops. The World Health Organisation has acknowledged active transport as a way to improve global environmental and health outcomes. My motivations are primarily to benefit my physical and mental health, but walking has other benefits such as being non-polluting, posing little danger to others, saving money, and, perhaps mostly importantly, I enjoy it. I am, however, one of the minority in Australia that uses walking as their main form of transit. The 2016 Census found that 69% Australian commuters travelled to work by car, and another 5% as car passengers, while 9% used public transport, 1% cycled, 4% walked, and 4% used multiple methods. This is largely consistent with rates from 2011, with a 0.5% rise in driving a car and a 0.7% increase in train use, while cycling and walking declined 0.1% and 0.3% respectively. Furthermore, infrastructure and culture is becoming increasingly car-centric. This is not to…

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Stand Up & Stand Out for All the Right Reasons

The Evidence

Making the first move to engage in standing behaviours and to promote a standing work environment can be intimidating as your team is challenging social norms ingrained over a lifetime of seated environments. That is why week 3 of our BeUpstanding program focuses on raising awareness and challenging these social norms. While biologically speaking the human body was made to be up-and-moving, for centuries, people have spent long hours of their days working while seated – from weavers, to fletchers, to the clergy. Even though work and work spaces have evolved since then due to cultural, technological and social factors, some normative behaviours, such as prolonged work sitting, have prevailed. Social norms are the rules that dictate how a person should act in a given group. They develop over time and become hardened to the point of being subconscious. That’s why engaging in prolonged sitting at work has always felt natural for most people. But social norms are not set in stone. They can – and should – change as we become more conscious about the issues they entail. Breaking social norms can be hard and making the first move to do so can be frightening. It can be difficult…

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How to be a Safety Champion

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This month is Safe Work Month and the theme is Be a Safety Champion. Comcare hosted a series of regional events to mark Safe Work Month, with BeUpstanding featuring as an exemplar of a program that uses a train-the-champion model. You can download and view the presentations from here. One of the key things to help you be a safety champion is good work design. It is important to consider health and safety issues when designing work as this can help to eliminate hazards and manage risks. Effective design of good work considers: the work work systems the physical working environment the workers. Taking into account these things can help improve performance, job satisfaction and productivity. Take a look the Handbook – Principles of Good Work Design* to learn about the ten principles to good work design. Hierarchy of control The hierarchy of control can help identify ways to eliminate or minimise risks to health and safety. The most effective control is to eliminate the risk. However, if that is not possible, working through the hierarchy helps to find the most effective measure. For sitting less and moving more at work, substitution and redesign strategies could include provide high table options in meeting rooms…

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Do move a muscle

The Evidence

It is hard to imagine too many situations in the office where you would need to freeze and not move a muscle. Hence – our week 4 poster invites BeUpstanding participants to “do move a muscle”, and to do so regularly throughout the day. But what are the benefits of doing this? When we are seated, our large postural muscles in our legs do not have to work very hard. However, just by standing up, muscle activation can increase substantially. For example, one study in 84 middle aged volunteers from Finland were asked to wear special shorts that measured the electromyographic (EMG) or muscle activity of their quadriceps and hamstrings. They were asked to do a number of activities (lying down, standing, sitting, squatting, stair climbing, walking, running) as well as a maximal isometric voluntary contraction (MVC) – a standard test for measuring muscle strength. The EMG activity of each of the tasks was then compared to what the participant achieved during the MVC. When sitting, participants thigh muscles were only activated at about 1% of their maximum. This increased to 2.5% just by standing, about 10-12% by walking, and a substantial 22-25% by squatting or climbing up stairs. In…

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Sitting can slow your stomach – Part 1

The Evidence

Have you ever experienced stomach pains, discomfort, or indigestion after sitting too long at your desk? While exercise has long been anecdotally thought to influence digestion, more recent research has been exploring the impact of physical inactivity on digestion. This post will explore some ways exercise and inactivity influences your gut, as well as the implications for your health. But first, what does it mean to say that sitting “slows your stomach?” One way to consider it would be gastric emptying, or the movement of stomach contents into the small intestine (how quickly food leaves the stomach). Another possibility is gastrointestinal transit time, which is the time it takes something you eat to move from your mouth through your entire gastrointestinal tract. Both these definitions have been linked to physical activity and inactivity, as have health outcomes such as constipation and colorectal cancer. How physical inactivity slows your stomach: When you aren’t moving, your gut isn’t moving much either. An extreme example can be seen in people who are confined to bed or held immobile. Hospital inpatients are another population at risk of prolonged physical inactivity, and increased rates of constipation are seen in this population. However it can be…

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How Can Using a Standing Desk Affect Your Productivity

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This article is re-posted from a Sedentary Behaviour Research Network blog post on 3rd July 2019. Recently, research into the topic of excessive sitting, or “sedentary behaviour”, has been making headlines. The risk for chronic diseases, such as diabetes and obesity, that comes with high levels of sitting is becoming more evident (1). Office workers represent a population that spend a significant amount of time in sedentary pursuits as a consequence of their occupation (2). As more research is being published on the topic, many workplaces are seeking non-sedentary alternatives and solutions to the traditional office environment to keep their employees as healthy and productive as possible. One such solution has been the implementation of activity-permissive workstations. Activity-permissive, or alternative, workstations replace a worker’s traditional desk and are broadly categorized into either standing desks or dynamic workstations. Standing desks allow for a worker to stand while performing a task (e.g., typing, clerical work), and can be installed as additions to an existing workstation, or as height-adjustable replacement units (see Figure 1). Dynamic workstations are designed to allow for activity or movement while working, and include a variety of alternative workstations, such as: treadmill desks, cycling desks, and dynamic sitting desks…

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“Sit less—move more and more often”: all physical activity is beneficial for longevity

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This article was originally published in the BMJ Opinion on 21st August 2019. New research shows that any level of movement decreases risk of premature death, so get moving say Ulf Ekelund and Thomas Yates It is well established that physical activity of a moderate or vigorous intensity (such as brisk walking) is good for your health. More recently, it has also been shown that people in contemporary societies are spending the majority of their day sitting, and that this prolonged sitting is also linked to an increased risk for many chronic diseases and premature death. Current physical activity recommendations, including those recently updated for the US, suggest that at least 150 minutes per week of moderate intensity physical activity is needed to keep healthy and that prolonged sitting should be avoided. However, how much sitting is too much? This is not specified and is widely debated. In addition, are levels of physical activity below those recommended still beneficial for health and does light intensity physical activity still count? Answering these questions have huge relevance for health promotion. We performed a study to address these questions. Our results suggest strong associations between total physical activity and the risk of dying.…

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How Age and Prolonged Sitting Can Effect Spine Stiffness, Postures and Discomfort

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Recent research by Gruevski K and Callaghan J, and published in Ergonomics on 19th April 2019, looked at the effect of age and sex on passive spine stiffness, postures and discomfort in response to seated work. They noted that understanding age-specific postures and pain development patterns during sitting exposures are particularly relevant given the ageing working population in industrialised nations. Participants were in their Late 20s to early 30s or early 60’s were asked to sit continuously for 90 min while typing. Their results showed that older adults had higher passive spine stiffness and sat with less flexion during prolonged sitting. Discomfort was higher among older adults and occurred earlier in the simulation compared to younger participants, indicating that interventions, such as walking breaks may need to be implemented earlier during sitting for aged workers. Click here to read the full article

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