【深蹲時,膝蓋超過腳尖就會受傷嗎?那些你曾聽過的健身房傳說】
「深蹲時,膝蓋不要超過腳尖,不然膝蓋會受傷!」
我們很常在健身房聽到這句話,這句話到底是從哪裡來的?真的是這樣嗎?
🧐#其實膝蓋超不超過腳尖不是重點
對於初學者而言,腳尖只是個比較好理解的參考點,但更重要的是找到重心,讓身體使用自然的力學結構完成動作。從下蹲到起身一連串的動作,會帶動全身的肌肉與身體平衡,絕對不是只有膝蓋跟腳尖的事而已。
過度強調膝蓋不要超過腳尖這件事,雖然能夠稍微減輕膝蓋的壓力(約20%左右),但卻會造成下背跟髖關節的應力增加10倍以上。(註1) 反而是當身體自然下蹲、膝蓋微微超過腳尖時,重心垂線會落在身體中間,能夠舒服且穩定的完成深蹲。
此外,當「膝蓋有舊傷」、「關節緊繃」時,會讓膝蓋彎曲度受限或是身體會躲避造成疼痛的動作。此時,為了平衡身體重心,容易會在深蹲時,做出「過度前傾」、「圓背」等危險動作。
🧐#那深蹲到底要蹲多低才好
當大腿蹲到與地面平行時,對股四頭肌就有最大刺激。若只是單純想讓股四頭肌有感,只要蹲到平行地面的高度,就可以達到訓練目的。
但若是身體能力許可,例如髖關節、腳踝活動度不錯,或是核心有功能良好,全蹲也是很推薦的!
💪🏻如果你不確定自己下蹲的姿勢正不正確,就來報名我們的【基礎重訓團課】吧‼️
在開始學習深蹲前,教練會幫你評估身體素質、調整姿勢,並且跟你一起找到最舒服的深蹲重心,讓你深蹲時不再緊張。
有人跟你一起蹲,還有專業教練戒護,不用再冒著會受傷的風險自己蹲了!
三月基礎重訓團課招生中🔥年後甩肉現在開始!
🌟四大證照教練專業授課
🌟3~6人精緻小班
🌟$2400 / 4週課程
🌟團課報名這邊走👉https://www.surveycake.com/s/RoApy
參考資料:
註1:Andrew C Fry 1 , J Chadwick Smith, Brian K Schilling(Nov.17,2003), Effect of knee position on hip and knee torques during the barbell squat💪🏻
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15 International Parliamentarians have today written to Carrie Lam, Chief Executive of Hong Kong, to ask her to scrap the extradition proposals.
Signatories include the co-leader of the Greens in Germany, the Chair of ASEAN Parliamentarians for Human Rights, a number of UK MPs and US Senators, as well as the Shadow Deputy Foreign Minister from Canada. Click link for the letter.
Dear Chief Executive Lam,
As international parliamentarians, we are writing to ask you to consider withdrawing the proposed amendments to the Fugitive Offenders Ordinance (Cap. 503) so that alternative options can be explored.
We recognise that the murder committed by Chan Tong-kai requires justice, but we believe that this can be achieved through one of the many compromise alternatives proposed by legal academics and legislators. This will allow the city the time to consider whether further reforms are necessary, and to
construct a solution which will safeguard the fundamental rights and rule of law which is guaranteed in the Joint Declaration.
We are all friends of Hong Kong and believe that the city’s success and prosperity is a direct result of its robust rule of law and guaranteed freedoms. The existing extradition legislation helps to safeguard the rule of law by ensuring that there is a clear firewall between the two diverging legal systems of
the Hong Kong Special Administrative Region and the People’s Republic of China. Documents from the United Kingdom National Archives show that handover negotiators from both sides recognised the need for this firewall, and that it was designed to help protect Hong Kong’s judiciary.
As you will be aware, Hong Kong currently serves a critical function as a meeting place between China and the world and there are millions of foreigners who reside, visit, or transit through Hong Kong each year, including many of our own constituents. Hong Kong is currently mainland China’s most important capital provider, as well as the nation’s largest source of inward direct investment, a major listing place
for Chinese companies, and an important source of bank loans. International confidence in Hong Kong’s robust rule of law and autonomy is a critical interest of all our countries and the reason why we seek to engage you on this pressing matter. We respectfully ask that you consider withdrawing the proposed amendments while you explore other options.
Yours sincerely,
Lord Alton of Liverpool House of Lords, United Kingdom
Christopher W. Smith U.S. Representative, New Jersey
Katrin Göring-Eckardt Member of Parliament, Germany
Parliamentary co-leader of Alliance 90/The Greens
Garnett Genuis Member of Parliament, Deputy Shadow Foreign Minister, Canada
Charles Santiago Member of Parliament ASEAN Parliamentarians for Human Rights, Malaysia
Tom Cotton U.S. Senator, Arkansas
Ted Yoho J U.S. Representative, Florida
Josef Weidenholze Member of European Parliament, Austria
Fiona Bruce Member of Parliament, United Kingdom
Thomas R. Suozzi U.S. Representative, New York
Vicky Hartzler U.S. Representative, Missouri
Mark Meadows U.S. Representative, North Carolina
Brian Fitzpatrick U.S. Representative, Pennsylvania
Mike Gallagher U.S. Representative, Wisconsin
Alistair Carmichael Member of Parliament, United Kingdom
https://www.hongkongwatch.org/…/15-international-parliament…
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