【膝過度伸直(Hyperextended knee)】
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「站著、走路,膝蓋像被反折一樣」
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🔸 什麼是反曲膝/膝過度伸直(Genu recurvatum)?
坦白說,是因為看到奧運射箭的反曲弓,才讓我想到可以寫這個主題。反曲膝(genu recurvatum)或膝關節過度伸直(hyperextended knee)是指在觀察一個人的側面下,膝蓋會過度伸直超過5度以上,正常情況下,膝蓋完全伸直像是時鐘在六點的樣子,而過度伸直會有點像在五點鐘的狀態(時針跟分針是不平行的)。
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🔸 造成的原因?
較常見的為「臀部、大腿、小腿等肌力不足,或是韌帶鬆弛、習慣」,而罕見的先天神經性疾病,都可能造成反曲膝。如上所述,一般在站著時,膝蓋會維持在完全伸直,也就是大腿骨(股骨)、小腿骨(脛骨)會呈一直線,能維持在這樣的狀態,是透過前側跟後側、外側跟內側的張力達到平衡,但若是在膝蓋後側的肌肉、韌帶不夠穩定,就像是帆船其中的一條繩子綁的特別鬆,就會被拉得更長。
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除了肌肉跟韌帶的影響,「習慣」在站著時不讓肌肉出力或讓「骨頭鎖著、卡著」,也會讓健康的韌帶或肌肉,逐漸被拉長。這常出現在一些女性,有非常好的柔軟度、關節活動度,但沒有足夠的肌力或關節穩定性維持較好的膝蓋位置,因此在走路時、久站、甚至運動時,膝蓋會有「反折、過度伸直」的現象。
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🔸 可能的影響、解決的方式
長期的反曲膝,可能會讓臀部、膝蓋、小腿周遭肌肉「越來越不會出力」,同時,堅固的十字韌帶「可能越來越鬆弛」,甚至改變身體的姿勢跟動作。隨著時間的發展,這些因素可能造成膝關節疼痛、肌肉萎縮、增加運動傷害的風險等。
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不過,除非是先天疾病造成的反曲膝,不然大多數的情況都可以透過「運動治療、肌力訓練、本體感覺訓練、動作習慣矯正」等來改善,如果發現自己久站、走路時有反屈膝,可以試著先「提醒自己、並調整」,讓膝蓋維持在完全伸直或微彎的情況下,有時透過微小習慣的調整,就能有顯著的效果。但若除了反曲膝,同時合併有疼痛或不適的狀況,建議找醫師、物理治療師等進行評估。
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其他文章:https://jackchen.sport.blog/
其他圖片:https://www.instagram.com/chenhc82/
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同時也有1部Youtube影片,追蹤數超過15萬的網紅pennyccw,也在其Youtube影片中提到,The 11-time All-Star has won the NBA scoring title five times and is considered one of the most prolific scorers in the NBA. Judging by the lack...
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hyperextended 在 小人物上籃 Facebook 的最讚貼文
昨天公鹿終於打出有東區冠軍的樣子了,而相反的太陽第一次被打到無法反擊。認真來講到底是Bud教頭對於防守體系的堅持收到了效果,還是其實太陽自己在客場沒把握住把公鹿推到0-3的懸崖邊緣?
Maybe it’s a little bit of everything. 公鹿的 1-4 switch 和 drop 原則不變,但是他們更積極透過肢體 (physicality) 壓迫太陽的招牌西班牙擋拆;另外公鹿狂打Ayton讓他嚴重陷入犯規麻煩,之前平均40分鐘的他G3上場不到25分鐘。
至於那位膝蓋hyperextended以為球季差點報銷,一直被嗆要看他冠軍賽自殺切入的Giannis呢? 過去兩場在籃框6呎內的命中率,23/25, 高達92%. 原本靠著餵Ayton稱霸禁區的太陽同時期只剩下20/39, 51%.
意外嗎? 如果你有看小人物汪六的千字賽後分析,還有聽近期小人物Joseph Your Phoenix Suns, Working Hard, Playing Harder. , 小鐵 Crazy Ball Park,還有後撤步 滷蛋的運動屁話秀-後撤步 分析太陽和公鹿,這一切都沒什麼好意外的!! 公鹿該如何突破解放Giannis, 壓迫太陽的弱點,以及未來系列賽會如何發展~ 錄在G2, 小人物上籃錄音史上最大的PK賽!! 敬請收聽 #第340集小人物上籃,看看幾位小人物們如何點出系列賽的關鍵,以及翻出各自家的球隊歷史!
#小人物Joseph #小人物小鐵 #小人物後撤步 #最大PK秀 #感謝各方捧場 #LiveStream錄音 #小人物上籃
hyperextended 在 Facebook 的精選貼文
各位不用荒,反正昨天我說字母哥不出來,他偏要搞偏要打,所以惡運已經用在這部份了,對我們完全是好事。別忘了越是利多,對手越有機會。所以今天太陽絕對穩到靠北,繼續公鹿利多阿,幹你娘。受傷那麼久,肯定沒啥球感,今天字母哥就是上來打鐵練手感的。第一場他絕對沒戲的,各位太陽同路的朋友們要有信心,這也相對地說,肯定是小分場了,已經可以叫妹子來人與人的連結了,半場她們跳舞,我們打炮。
還有五分鐘開打,我先發這篇開放讓大家在留言區吹捧。今天Booker絕對殺爆垃圾公鹿。今日公鹿,明日跑路。今日公鹿,明日公祭。
hyperextended 在 pennyccw Youtube 的最讚貼文
The 11-time All-Star has won the NBA scoring title five times and is considered one of the most prolific scorers in the NBA.
Judging by the lack of offers he received as a free agent this summer and after he was waived by the Grizzlies in November, Allen Iverson isn't very popular among league executives. Whether it be age, attitude, style of play or a combination of the three, the value of the diminutive guard has diminished quickly over the last two seasons.
But judging by the final results of All-Star balloting, Iverson will always have his fans.
Though he's played just 19 games this season, Iverson received 1,269,568 votes and finished second among Eastern Conference guards in this year's balloting. Health permitting, he'll be starting alongside Dwyane Wade in the visitors' backcourt at Cowboys Stadium on Feb. 14. It's Iverson's 11th straight All-Star selection. (Click here for West starters)
"Without the fans, there wouldn't be no us," Iverson told NBA.com earlier this week. "For them to want to see me, regardless of what's been going on, that says a lot about how they feel about me. I just thank 'em for that."
Iverson has been dealing with arthritis in his left knee, which has forced him to miss five games since he rejoined the Sixers. He doesn't have the burst that has allowed him to relentlessly get to the basket in years past. And he'll keep his body in mind when it comes to making a decision on whether or not to take the court in Dallas.
"I want to be able to make sure my fans are happy, because they want to see me play," he said. "But I have to be smart about the future of this franchise right here."
Still, knowing Iverson's desire to play the game and the love he has for those that support him, it's very likely he'll be on the floor when the game tips off at 8 p.m. ET on TNT.
Joining Iverson and Wade in the starting lineup for the Eastern Conference will be forwards LeBron James and Kevin Garnett, and center Dwight Howard.
It's the 13th All-Star selection for Garnett, the sixth for both James and Wade, and the fourth for Howard.
There are clearly more deserving guards than Iverson. A case can be made for Chris Bosh over Garnett, who is expected to play this Friday after missing the last 10 games with a hyperextended right knee. But there can be no argument with the trio of Wade, James and Howard. And they rightfully dominated the voting at their positions. James was the overall leading vote-getter with 2,549,793 votes, while Howard (2,360,096 votes) and Wade (2,327,550 votes) finished third and fourth overall respectively.
The rest of East roster will be voted on by the conference's coaches and announced Thursday, Jan. 28 on TNT. With Howard's team a disappointing six games off their pace of last season and James' supporting cast a bit more balanced, it's possible that Garnett will be the only starter who will be joined by a teammate in Dallas.
Fortunately, the starters are familiar with each other. Though Iverson has changed teams twice since, bouncing to and from the Western Conference, this is the same starting lineup that the East put on the floor last year in Phoenix, when they fell to the West, 146-119.
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