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Poi for your Health

The first scientific study on poi,
health, and older adults

SUMMARY
As our lifespan lengthens and our aging population rapidly grows, simple and effective strategies for maintaining quality of life in old age are urgently needed. Dr. Kate Riegle van West, founder of SpinPoi, conducted the first scientific study in the world to evaluate if poi may be one such strategy. Seventy-nine healthy older adults participated in the study, and after one month of poi practice there were significant improvements in grip strength, balance, and sustained attention.

LEARN MORE
Download our free poi/health guide by clicking the image to the left, watch our summary video below, or keep scrolling down to get into the nitty gritty of the first scientific research on poi, health, and older adults research.

1. Aim and Methods

The aim of this study was to investigate the effects of International Poi (the style of poi practiced worldwide), as compared to Tai Chi, on physical, cognitive, and emotional health in healthy older adults. Seventy-nine participants (60 –86 years old) were randomly allocated to the International Poi or Tai Chi group. Physical and cognitive function were measured one month before, immediately before, immediately after, and one month after the intervention (2 lessons a week for 4 weeks). Follow-up questionnaires were administered after each lesson, immediately after the intervention, and one month after the intervention.

2. Tests

Participants were tested across 3 domains: physical (balance, bimanual coordination, blood pressure, heart rate, grip strength, lower body strength, manual dexterity, upper limb range of motion) cognitive (simple and complex attention, cognitive flexibility, motor speed, processing speed, psychomotor speed, reaction time, working memory, composite memory), and emotional (psychological well-being). These domains were measured a total of 4 times (twice before and twice after the poi or Tai Chi lessons). All tests were safe, non-invasive, and standard means of measuring physical, cognitive, and emotional function. 

See the tests in action!

3. Lessons

Tai Chi lessons were taught by Bruno Rubini, a full time Auckland area instructor with over 30 years of Tai Chi Chuan experience. A typical lesson had 3 phases: Energising Joints (strengthening the joints and tendons through a specific set of movements), Silk Reeling, Chen Style (basic warm up movements to connect the upper and lower body) and Tai Chi Qigong Shibashi (using movements from the Yang style Tai Chi Chaun, with an emphasis on synchronizing 18 movements with proper breathing techniques).

International Poi lessons were taught by Kate Riegle van West, the principal investigator for this study. The lessons focused on exploring and controlling the timing, plane, and direction of the poi with an awareness of ones body in relation to the poi. This was done through specific movements, such as the figure 8, butterfly, chasing the sun, flowers, and pendulums. Each lesson began with a warm up stretch, and concluded with a cool down stretch. 

4. Results

Questionnaires

After the lessons, participants were asked to explain any positive or negative effects which seemed to caused by learning poi or Tai Chi. Their answers were analyzed thematically and visual representations were created. Click on the buttons below to view. 

Word clouds

Participants were asked “What 3 words best describe how you are feeling?” after each of their lessons. Below are their answers displayed in word clouds (the more times a word was said, the bigger it is!). There is a wordcloud for all of the poi responses (collected over 1 month), all of the Tai Chi responses (collected over 1 month) and then wordclouds broken down by week which display the poi group and Tai Chi group next to each other for comparison.

Clinical Tests

Immediately post intervention both groups improved balance, upper limb strength, and simple attention. Tai Chi also improved systolic blood pressure. One month post intervention, compared to immediately post intervention, both groups improved upper limb strength, upper limb range of motion, and memory. Poi also improved systolic blood pressure. This shows that 1) the means of measuring were sensitive to the expected effects, because the findings are consistent with previous research on Tai Chi. 2) Poi improved right alongside Tai Chi, meaning poi is as good as an activity which is considered a gold standard of exercise for older adults. 3) The results cover the hallmarks of frailty: balance, cardiovascular function, strength, and memory. This is particularly exciting for thinking about poi as a tool for maintaining or improving quality of life in old age.

Some hard data for those that want it…

For both groups, three physical measures and one cognitive measure improved immediately post intervention: 4-Stage Balance Test (F1,39 = 9.9, P = 0.003), Functional Reach Test (F1,76 = 7.5, P = 0.008), hand grip (F1,76 =11.6, P = 0.001), and simple attention (F1,38 = 4.6, P = 0.038). For both groups, two cognitive measures declined: composite memory (F1,76 = 7.8, P = 0.007) and visual memory (F1,76 = 8.8, P = 0.004). There was an interaction between time and group for systolic blood pressure (F1,76 = 4.3, P = 0.041). The interaction arose because systolic blood pressure decreased for the Tai Chi group (M = -5.1 mm Hg, SD = 12.7 mm Hg, T77 = 2.25), but not the poi group (M = 2.2 mm Hg, SD = 16.3 mm Hg).  

One month post intervention, two physical measures and three cognitive measures improved: hand grip (F1,75 =4.9, P = 0.029), shoulder ROM (F1,75 = 10.6, P = 0.002), composite memory (F1,73 = 10.3, P = 0.002), visual memory (F1,73 = 6.3, P = 0.014) and verbal memory (F1,75 = 4.2, P = 0.043). There was an interaction between time and group for systolic blood pressure (F1,75 = 7.4, P = 0.008). The interaction arose because systolic blood pressure decreased for the poi group (M = -5.05 mm Hg, SD = 14.4 mm Hg, T76 = -2.47), but not the Tai Chi group (M = 3.71 mm Hg, SD = 13.75 mm Hg)

Full dissertation

For those that really want to get stuck in, you can read the full dissertation on Academia.edu or Research Gate.

5. Documentary

A Spin On Health gives you a behind the scenes look at the study. It follows participants before, during, and after taking part in the research. It also sheds light on Kate’s background and reasons for wanting to do the research, as well as her hopes and dreams for the future.

6. Press

TVNZ One News interviews poi study participant Marlene Stratton along with Kate Riegle van West to discuss the health benefits of poi for older adults.

Radio New Zealand article weaves together scientific data and interviews with kapa haka performer Puti Mackey, poi research participant Jocelyn Fausett, and researcher Kate Riegle van West.

Te Kāea, Māori Television nightly news interviews Kate and her participants about the first research study on poi, and opportunities to continue poi / health research in the future.

Hania Douglas from Te Karere, a New Zealand news and current affairs programme broadcast in the Māori language, interviews Kate and study participant Marlene.

Tim Wilson from TV ONE’s Seven Sharp gives poi a go and speaks with Kate about International Poi’s potential to keep older adults physically and cognitively fit.

“The exercise every over-60 should be doing.” Tracy Adshead interviews Kate Riegle van West about the health benefits of poi for older adults in this article on www.oversixty.com

Kathryn Ryan from Radio New Zealand’s Nine to Noon program interviews Kate about the poi clinical trial, what she’s found out so far, and implications for the future.

Kate speaks about how learning new things (like poi!) can be fun and good for your health on 95bFM’s Ready Steady Learn

7. Frequently asked questions

Why do you think International Poi might have an effect on health?
Poi contains a unique set of characteristics which have been proven, individually, to have a positive impact health. Poi is a physical activity which draws upon the key components of fitness and is highly customizable. Physically active lifestyles have been proven to reduce risk factors and improve functioning and quality of life in the elderly (Daley, 2000). Poi is intrinsically playful, and play is proven to have a vital role in keeping the mind and body young by presenting novel situations which foster cognitive innovation, adaptability, and flexibility; which in turn improves reflexes, memory, processing speeds, etc. (Brown, 2009). Poi is rhythmic, and active music therapy has a multitude of physical, mental, and emotional benefits (Drake, 2010). The rhythmic nature of poi can potentially tap into the same benefits as rhythmic, active, music therapy such as drumming. And activities such as juggling (Boyke, 2008) and Tai Chi (“The Health Benefits”, 2008), which share many characteristics with poi (e.g. ambidexterity, rhythm, and meditative movement) are proven to have a positive effect on maintaining both physical and cognitive ability in older adults.

Why did you choose Tai Chi for the control group?
Seeing as there is no known research on poi and health, we cannot compare a poi treatment group to a poi control group. Thus, I wanted to compare a poi treatment group to a control group which was participating in an activity closely related to poi, which also: 1) has both physical and cognitive dimensions, 2) is appropriate for older adults, and 3) has a substantial amount of scientific research proving its efficacy. Many activities were considered (such as juggling, ballroom dancing, and yoga) but ultimately Tai Chi was the best fit based on the methodology above.

I thought poi was Maori…why aren’t you using Maori poi in your study?
The focus of my research is to determine if the fundamental act of a weight orbiting on the end of a string has an impact on health. To do that, I believe it’s important to peal away as many layers as possible and start with the very basics: swinging a weight on a cord in circles. One of the things that make Maori poi unique is their inextricable link to Maori culture. I believe this depth is extremely valuable (and it’s the reason I moved to New Zealand to do the research!), and I would like to conduct future research on Maori poi. But for the first study, International poi is a better fit for my research question and it is also where my own expertise lies. If you would like to learn more about the different styles of poi, feel free to check out my about page.

Why did you choose a population of healthy older adults?
As the young-old balance shifts throughout the world, so does the prevalence of chronic disease, making elderly health and well-being an extremely important area of interest. I could have chosen many other populations to work with (people recovering from stroke, people with dementia), and I would like to conduct research on other populations in the future, but healthy older adults is a very relevant and timely place to start with the boom in our aging population. I am particularly interested if International Poi can contribute to prolonging quality of life and possibly delaying the onset of diseases that strike in old age.

Boyke J., Driemeyer J., Gaser C., Büchel C., and May A. (2008). Training-induced Brain Structure Changes in the Elderly. Journal of Neuroscience. 28: 7031–7035.

Brown, S. (2009). Play: How It Shapes the Brain, Opens the Imagination, and Invigorates the Soul. New York, NY: Penguin Group.

Daley, M. & Spinks, W. (2000). Exercise, Mobility and Ageing. Sports Medicine. 29: 1-12.

Drake, M. (2010). The Therapeutic Effects of Drumming. Retrieved from: http://shamanicdrumming.com/drumtherapy.html

The Health Benefits of Tai Chi (2014). Harvard Medical School. Retrieved from: http://www.health.harvard.edu/newsletters/Harvard_Womens_Health_Watch/2009/May/The-health-benefits-of-tai-chi