【中老年人可以重量訓練嗎?(一)】
這篇是想寫給最近被我抓來重訓的父母、還有逐漸邁入退休生活的年長者。歡迎大家分享給自己的父母及周遭需要的人,希望大家都能健康,才做自己想做的事。
『我沒有要激烈運動或比賽,不需要訓練』
『年紀大了,去運動容易受傷,我平常有在走路、練氣功就好』
大多數的中老年人會認為『訓練、重訓』是年輕人的專利,自己不需要訓練。但實際上,適當的重量訓練或運動訓練能減緩疼痛、預防傷害、提升體力、減緩身體的退化等,隨著醫療的進步,除了活得久,更能活得好。
1. 為什麼要重量訓練?
多數人會透過保健食品、保養品、偏方來『抗老化』,也就是減緩甚至逆轉身體的退化,同時害怕年紀大時,一跌倒就容易骨折、受傷,所以買更多保健食品希望能維持骨質密度,但實際上最經濟實惠的方式可能是『運動訓練』,最少的副作用、也有最大的效果。
『用進廢退』,是身體很重要的特性,當身體受到適當刺激,等於告訴大腦說身體還是要使用的,因此在肌肉量、心肺功能、骨質強度等會維持或提升,但當身體沒有足夠的刺激,例如都躺在床上、不走路等,大腦接收到的訊息變成身體不需要使用,所以身體的能力、器官等會逐漸退化。重量訓練就是其中一個能給『身體足夠刺激』的方式。重量訓練就是在承受額外的重量下,進行許多日常生活會用到的動作,例如蹲、推、拉、往前跨步、從地上搬東西,透過這類的動作跟適當的負重,就會提醒大腦說『我都有用這些肌肉跟骨頭,不要把它拿走』或『我需要這些肌肉跟骨頭,你要把它變更強壯』
2. 一定要重量訓練嗎?其他運動不行嗎?
凡任何『運動』(exercise)確實都可以提供身體刺激,但這邊要先釐清一個觀念,活動(physical activity)跟運動(exercise)是兩個截然不同的詞。簡單來說,活動是在自己能力範圍之內的,在反覆進行下,能給身體的刺激也不足讓身體能力提升,例如每天走路到捷運站、社交等。而運動的定義較嚴格,必須是能『維持或提升身體能力』的才被稱為運動,大多是需要超過自身能力一些的活動。
因此,先釐清自己目前有在從事的是『活動』還是『運動』,例如逛街買菜、爬三層樓、上瑜伽課等,哪些是在不會讓身體能力提升,哪些則是會讓自己進步的。重量訓練會優於許多運動項目的原因,是因為他給予身體的刺激可以『不斷提升』,因為大多運動項目是在承受自己的體重下走、跑、跳,但重訓時除了承受自身的體重,還有額外的重量,因此能給身體較多的刺激。
重點整理:
*骨質密度在25-30歲會達到高峰,但接著就會逐漸下降
*一個人躺在床上不動兩週,肌力可以退化40%
*用進廢退:當身體受到適當刺激,等於告訴大腦說身體還是要使用的
*透過給身體適當的刺激來『抗老化』,重量訓練、運動訓練即是給身體刺激
*運動跟活動不同,運動才能提升身體的能力,活動則很有限
下篇文章會延續上述內容,並討論如果有疼痛或慢性病能不能訓練、以及健康食品有沒有幫助等。
#elder #elderly #training #weighttraining #exercise #physicalactivity #bone #bonemineraldensity #musclemass #qualityoflife #aging #capacity #physicaltherapy #physicaltherapist #CSCS #老年人 #訓練 #重量訓練 #運動 #活動 #骨頭 #骨質密度 #肌肉量 #生活品質 #老化 #身體能力 #物理治療 #物理治療師 #肌力與體能訓練師 #陳曉謙
同時也有2部Youtube影片,追蹤數超過3萬的網紅[email protected],也在其Youtube影片中提到,認知障礙症 -黃德祥老人科專科醫生@FindDoc.com FindDoc Facebook : https://www.facebook.com/FindDoc FindDoc WeChat : 快徳健康香港 FindDoc FindDoc Instagram:@finddochk (一...
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今早為Asian Medical Students Association Hong Kong (AMSAHK)的新一屆執行委員會就職典禮作致詞分享嘉賓,題目為「疫情中的健康不公平」。
感謝他們的熱情款待以及為整段致詞拍了影片。以下我附上致詞的英文原稿:
It's been my honor to be invited to give the closing remarks for the Inauguration Ceremony for the incoming executive committee of the Asian Medical Students' Association Hong Kong (AMSAHK) this morning. A video has been taken for the remarks I made regarding health inequalities during the COVID-19 pandemic (big thanks to the student who withstood the soreness of her arm for holding the camera up for 15 minutes straight), and here's the transcript of the main body of the speech that goes with this video:
//The coronavirus disease 2019 (COVID-19) pandemic, caused by the SARS-CoV-2 virus, continues to be rampant around the world since early 2020, resulting in more than 55 million cases and 1.3 million deaths worldwide as of today. (So no! It’s not a hoax for those conspiracy theorists out there!) A higher rate of incidence and deaths, as well as worse health-related quality of life have been widely observed in the socially disadvantaged groups, including people of lower socioeconomic position, older persons, migrants, ethnic minority and communities of color, etc. While epidemiologists and scientists around the world are dedicated in gathering scientific evidence on the specific causes and determinants of the health inequalities observed in different countries and regions, we can apply the Social Determinants of Health Conceptual Framework developed by the World Health Organization team led by the eminent Prof Sir Michael Marmot, world’s leading social epidemiologist, to understand and delineate these social determinants of health inequalities related to the COVID-19 pandemic.
According to this framework, social determinants of health can be largely categorized into two types – 1) the lower stream, intermediary determinants, and 2) the upper stream, structural and macro-environmental determinants. For the COVID-19 pandemic, we realized that the lower stream factors may include material circumstances, such as people’s living and working conditions. For instance, the nature of the occupations of these people of lower socioeconomic position tends to require them to travel outside to work, i.e., they cannot work from home, which is a luxury for people who can afford to do it. This lack of choice in the location of occupation may expose them to greater risk of infection through more transportation and interactions with strangers. We have also seen infection clusters among crowded places like elderly homes, public housing estates, and boarding houses for foreign domestic helpers. Moreover, these socially disadvantaged people tend to have lower financial and social capital – it can be observed that they were more likely to be deprived of personal protective equipment like face masks and hand sanitizers, especially during the earlier days of the pandemic. On the other hand, the upper stream, structural determinants of health may include policies related to public health, education, macroeconomics, social protection and welfare, as well as our governance… and last, but not least, our culture and values. If the socioeconomic and political contexts are not favorable to the socially disadvantaged, their health and well-being will be disproportionately affected by the pandemic. Therefore, if we, as a society, espouse to address and reduce the problem of health inequalities, social determinants of health cannot be overlooked in devising and designing any public health-related strategies, measures and policies.
Although a higher rate of incidence and deaths have been widely observed in the socially disadvantaged groups, especially in countries with severe COVID-19 outbreaks, this phenomenon seems to be less discussed and less covered by media in Hong Kong, where the disease incidence is relatively low when compared with other countries around the world. Before the resurgence of local cases in early July, local spread of COVID-19 was sporadic and most cases were imported. In the earlier days of the pandemic, most cases were primarily imported by travelers and return-students studying overseas, leading to a minor surge between mid-March and mid-April of 874 new cases. Most of these cases during Spring were people who could afford to travel and study abroad, and thus tended to be more well-off. Therefore, some would say the expected social gradient in health impact did not seem to exist in Hong Kong, but may I remind you that, it is only the case when we focus on COVID-19-specific incidence and mortality alone. But can we really deduce from this that COVID-19-related health inequality does not exist in Hong Kong? According to the Social Determinants of Health Framework mentioned earlier, the obvious answer is “No, of course not.” And here’s why…
In addition to the direct disease burden, the COVID-19 outbreak and its associated containment measures (such as economic lockdown, mandatory social distancing, and change of work arrangements) could have unequal wider socioeconomic impacts on the general population, especially in regions with pervasive existing social inequalities. Given the limited resources and capacity of the socioeconomically disadvantaged to respond to emergency and adverse events, their general health and well-being are likely to be unduly and inordinately affected by the abrupt changes in their daily economic and social conditions, like job loss and insecurity, brought about by the COVID-19 outbreak and the corresponding containment and mitigation measures of which the main purpose was supposedly disease prevention and health protection at the first place. As such, focusing only on COVID-19 incidence or mortality as the outcomes of concern to address health inequalities may leave out important aspects of life that contributes significantly to people’s health. Recently, my research team and I collaborated with Sir Michael Marmot in a Hong Kong study, and found that the poor people in Hong Kong fared worse in every aspects of life than their richer counterparts in terms of economic activity, personal protective equipment, personal hygiene practice, as well as well-being and health after the COVID-19 outbreak. We also found that part of the observed health inequality can be attributed to the pandemic and its related containment measures via people’s concerns over their own and their families’ livelihood and economic activity. In other words, health inequalities were contributed by the pandemic even in a city where incidence is relatively low through other social determinants of health that directly concerned the livelihood and economic activity of the people. So in this study, we confirmed that focusing only on the incident and death cases as the outcomes of concern to address health inequalities is like a story half-told, and would severely truncate and distort the reality.
Truth be told, health inequality does not only appear after the pandemic outbreak of COVID-19, it is a pre-existing condition in countries and regions around the world, including Hong Kong. My research over the years have consistently shown that people in lower socioeconomic position tend to have worse physical and mental health status. Nevertheless, precisely because health inequality is nothing new, there are always voices in our society trying to dismiss the problem, arguing that it is only natural to have wealth inequality in any capitalistic society. However, in reckoning with health inequalities, we need to go beyond just figuring out the disparities or differences in health status between the poor and the rich, and we need to raise an ethically relevant question: are these inequalities, disparities and differences remediable? Can they be fixed? Can we do something about them? If they are remediable, and we can do something about them but we haven’t, then we’d say these inequalities are ultimately unjust and unfair. In other words, a society that prides itself in pursuing justice must, and I say must, strive to address and reduce these unfair health inequalities. Borrowing the words from famed sociologist Judith Butler, “the virus alone does not discriminate,” but “social and economic inequality will make sure that it does.” With COVID-19, we learn that it is not only the individuals who are sick, but our society. And it’s time we do something about it.
Thank you very much!//
Please join me in congratulating the incoming executive committee of AMSAHK and giving them the best wishes for their future endeavor!
Roger Chung, PhD
Assistant Professor, CUHK JC School of Public Health and Primary Care, @CUHK Medicine, The Chinese University of Hong Kong 香港中文大學 - CUHK
Associate Director, CUHK Institute of Health Equity
elderly physical activity 在 iYA-Inyoung Athletes 運動營養團隊 Facebook 的最佳貼文
甚麼時間點吃真的有那麼重要??
Does when you eat really matter?
Is nutrient timing all that important?
https://inyoungathletes.wixsite.com/website/blog/運動後立即補充營養沒那麼重要
統整重點
1.營養補充時機點之重要性已存在了幾十年,但多數研究有局限性,並不一定能適用於一般民眾。
2.運動後的黃金進食合成窗口很重要沒錯,但只針對一天練兩餐以上且以運動表現為主要目標的特殊族群。且事實上所謂的黃金合成窗口可能比原本所想的30-60分鐘內還大很多。
3.營養補充可能在訓練前較為重要,尤其是要提升高強度耐力運動表現為主要目標的人,需特別注意在運動前正確的時間點攝取正確的食物或補充品。
4.對於優秀運動員,因訓練密集需在短時間內恢復,選擇正確補充營養的時間點(運動前後)可提供較多優勢。
5.對大多數只是想增肌減肥或改善健康的年輕人而言,補充營養品與進食的時機點並沒有想像中的重要。
6.將飲食重點先放在營養金字塔的最基礎底端並注意以下幾點: (1)食物來源是否大部分為全天然的食物(2)整體營養是否均衡足夠符合目前運動量與身體狀況需求以達到個人目標(3)此飲食是否能持續且無副作用
注意:
以上只針對年輕規律運動訓練的健康族群,65歲以上老人或特殊疾病者不適用。
正常健康老人除了整體營養(尤其整日蛋白質攝取質量)必須注意以外,運動前後在對的時機點營養補充來幫助維持訓練品質也是非常重要。
Summary:
1. The importance of nutrient timing has been taken into account for many decades. However, most of the studies have limitations, which cannot be fit into the general population.
2. The “anabolic window” for nutrients after a workout is really important for sure, but only necessary for those who need to train twice per day or want to improve their sports performance in priority. In fact, the “anabolic window” might be much larger than “30-60 minutes” we thought previously.
3. It may be more critical to supplement before than after workout, particularly for those who want to enhance high-intensity endurance exercise performance, need to pay attention to the right timing of the right supplement before a workout.
4. Choosing the right timing of nutritional supplementation could be beneficial for professional athletes who want to recover as fast as possible in a short period between two intense training.
5. Nutrient timing is not that important for most young individuals who just want to gain muscle, lose fat, or improve health.
6. Prioritize the foundation of dietary nutrition in the bottom of the nutritional pyramid, and pay attention to the following points before caring about nutrient timing:
(1) Whole food-based or natural food-based diet
(2) Overall nutrition is well-balanced, which could fit the requirements of my daily physical activity and present condition, to help me achieve the specific goals.
(3) The diet is sustainable without any side effects.
Note:
The above is only for healthy and young adults who train regularly, not suitable for the elderly over 65 years old or people with special diseases.
In addition to the overall nutrition in normal healthy elderly (especially the quality and quantity of protein intake throughout the day), it is also important to supplement the right nutrients at the right timing (before and after exercise) to maintain training quality.
#iYA
#運動營養
#運動科學
#nutrientstiming
#postexercise
#sportsnutrition
#sportsscience
elderly physical activity 在 [email protected] Youtube 的最佳解答
認知障礙症 -黃德祥老人科專科醫生@FindDoc.com
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(一) 早期診斷認知障礙症的重要性和方法?00:07
(二) 慢性病會導致認知障礙症?00:55
(三) 認知障礙症照顧者應該注意什麼?01:35
(四) 透過改善生活習慣與適時使用藥物控制病情?02:32
(本短片作健康教育之用,並不可取代任何醫療診斷或治療。治療成效因人而異,如有疑問,請向專業醫療人士諮詢。)
參考資料:
1. Galvin, J.., Sadowsky, C.(2012). Practical Guidelines for the Recognition and Diagnosis of Dementia. The Journal of the American Board of Family Medicine May 2012, 25 (3) 367-382; DOI: https://doi.org/10.3122/jabfm.2012.03.100181 Retrieved from https://www.jabfm.org/content/25/3/367#sec-3
2. Anstey, K.J., Lipnicki, D.M., Low, L.F. (2008) Cholesterol as a Risk Factor for Dementia and Cognitive Decline: A Systematic Review of Prospective Studies With Meta-Analysis. Am J Geriatr Psychiatry May 2008, 16:5. Retrieved from https://www.researchgate.net/profile/Kaarin_Anstey/publication/5403325_Cholesterol_as_a_Risk_Factor_for_Dementia_and_Cognitive_Decline_A_Systematic_Review_of_Prospective_Studies_With_Meta-Analysis/links/576b54ac08ae5b9a62b3aa81/Cholesterol-as-a-Risk-Factor-for-Dementia-and-Cognitive-Decline-A-Systematic-Review-of-Prospective-Studies-With-Meta-Analysis.pdf
3. Sun, M.-K., Alkon, D.L. (2006). Links between Alzheimer's disease and diabetes. Drugs Today 2006, 42(7): 481. Retrieved from https://journals.prous.com/journals/servlet/xmlxsl/pk_journals.xml_summary_pr?p_JournalId=4&p_RefId=973588&p_IsPs=N
4. Starkstein,S.E., Almeida, O.P. (2003). Understanding cognitive impairment and dementia: stroke study. Curr Opin Psychiatry, 16, 615-620. Retrieved from https://journals.lww.com/co-psychiatry/Abstract/2003/11000/Understanding_cognitive_impairment_and_dementia_.3.aspx
5. 葵涌醫院 (2016)。照顧患有認知障礙症長者 家傭照顧手冊。香港:醫院管理局。Retrieved from https://www.swd.gov.hk/dementiacampaign/sc/doc/Caring-for-Elderly-with-Dementia-Guide-to-Foreign-Domestic-Helper_TC.pdf
6. Lam, L.C.W., Chan, W.M., Kwok, T.C.Y., Chiu, H.F.K. (2014) Effectiveness of Tai Chi in maintenance of cognitive and functional abilities in mild cognitive impairment: a randomised controlled trial. Hong Kong Med J 2014;20(Suppl 3):S20-3. Retrieved from https://www.hkmj.org/system/files/hkm1403sp3p20_0.pdf
7. Müllers, P., Taubert, M., & Müller, N. G. (2019). Physical Exercise as Personalized Medicine for Dementia Prevention?. Frontiers in physiology, 10, 672. https://doi.org/10.3389/fphys.2019.00672 . Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6563896/
8. Lam, L. C., Chan, W. C., Leung, T., Fung, A. W., & Leung, E. M. (2015). Would older adults with mild cognitive impairment adhere to and benefit from a structured lifestyle activity intervention to enhance cognition?: a cluster randomized controlled trial. PloS one, 10(3), e0118173. https://doi.org/10.1371/journal.pone.0118173 。 Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4380493/
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Every year like clockwork, KL-ites are bummed by the suffocating haze surrounding the city. Scratchy throat, red eyes, and breathing problems are aplenty, while those with asthma can only suffer in silence.
However, the aforementioned are ‘only’ minor health issues; the real threats including lung diseases that haunt those exposed by haze. It is normal to feel angry and annoyed at this manmade phenomena, especially when the country suffers as a result of burning from somewhere else – with not much that we can do about.
People with heart or respiratory diseases, as well as young children and elderly, should avoid going outdoors whilst the haze lasts in Singapore, advise experts. Even if you don’t have a pre-existing health condition, you should reduce your outdoor physical activity when the air quality is hazy and unhealthy.
Keyword:
Haze Polution
Haze in malaysia
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