* 用英語自身來理解和學習英語是最好的方式，《英讀廊》是《滿庭說英語》中的拓展閱讀系列，這一系列的文章力求幫助大家在英語閱讀能力上有所提升，並樹立英語思維；* 推薦的閱讀的方法是：先原文，適當看解析閱讀，還有疑惑再看雙語對照。* 解析中英語單詞的音標使用Dictcom和IPA雙音標標註，如果需要了解Dictcom音標，請參看我們的《dictionary.com所用的音標體系》一文。* 本篇文章難度係數9.2，由《小仙英語伴讀》人工智慧難度分析系統提供評分。
#英語學習#
Why do joints make a "Cracking" noise for certain activities such as walking up stairs, but have no actual pain associated with them?【譯】為什麼關節在做某些動作時會發出「劈啪」的響聲，比如上樓梯，但實際上並沒有相應的疼痛？【短語】such as 比如，例如；例句：I know many of them, such as John, Peter, and Tom. 我認識他們當中的很多人，例如約翰、彼得和湯姆。【單詞】joints 原型：joint [joint][dnt] n. 關節；接頭；接合處【單詞】Cracking 原型：crack [krak][krk] v. 破裂；砸開；發出爆裂聲；撞擊【單詞】noise [noiz][nz] n. 噪聲；喧鬧聲；響聲【單詞】stairs 原型：stair [stair][ste] n. 樓梯【單詞】actual ['ak-choo-uhl]['ktul] adj. 實際的；事實上的【單詞】pain [peyn][pen] n. 痛苦；疼痛【單詞】associated 原型：associate [uh-'soh-shee-eyt]['siet] vt. 聯想；聯合；聯繫 adj. 有聯繫的
There are two types of cracking or popping.【譯】有兩種類型的破裂或爆裂。【單詞】popping 原型：pop [pop][pp] v. 發出(砰的響聲)；突然出現；爆開；
The one we do with fingers backs etc that's cavitation of solute gasses in the synovial fluid.【譯】我們用手指背等做的是（關節）滑液中溶質氣體的空化。【單詞】fingers 原型：finger ['fing-ger]['fɡ] n. 手指（尤指大拇指以外的手指）【單詞】etc ['etk] abbr. 及其他；等等(=Et cetera)【單詞】cavitation [kav-i-'tey-shuhn][kv'ten] n. 渦凹；[航空]氣穴現象；[醫]成洞；空化【單詞】solute ['sol-yoot, 'soh-loot][s'ljut] n. 溶解物【單詞】gasses 原型：gas [gas][ɡs] n. 氣體【單詞】synovial [sa'nvil] adj. [生理]滑液的；含有滑液的；分泌滑液的【單詞】fluid ['floo-id]['flud] n. 液體；流體
The other one is tendons that have some sort of scaring on the sliding inside their fascia causing a snapping sound.【譯】另一種是肌腱，在筋膜內滑動時有某種疤痕，會發出啪啪的聲音。【單詞】tendons 原型：tendon ['ten-duhn]['tendn] n. 腱【單詞】scaring 原型：scare [skair][ske] v. 受驚嚇；恐嚇；嚇走 n. 驚嚇；驚恐【單詞】sliding 原型：slide [slahyd][slad] vi. 滑動；下滑；滑入；悄悄地溜走 vt. 使滑動【單詞】fascia ['fash-ee-uh]['fe] n. [解]筋膜 =ficia.【單詞】snapping 原型：snap [snap][snp] v. 劈啪作響；砰然關上
Your fingers pop like by little bubbles of air bursting.【譯】你的手指像小氣泡一樣爆裂。【單詞】bubbles 原型：bubble ['buhb-uhl]['bbl] n. 氣泡【單詞】bursting 原型：burst [burst][bst] v. 爆裂；迸發
Your knees crack because tendons and ligaments snap like guitar strings.【譯】你的膝蓋發出爆裂聲是因為肌腱和韌帶像吉他弦一樣劈啪作響。【單詞】knees 原型：knee [nee][ni] n. 膝蓋；膝關節【單詞】ligaments ['lig-uh-muhnt]['lɡmnts] n. 韌帶；連接物【單詞】guitar [gi-'tahr][ɡ'tɑ] n. 吉他【單詞】strings 原型：string [string][str] n. 線；弦
Is the latter a bad thing?【譯】後者是壞事嗎？【單詞】latter ['lat-er]['lt] adj. 後者的；近來的；後面的；較後的
It's an indicator of trauma that has healed.【譯】這是創傷癒合的標誌。【單詞】indicator ['in-di-key-ter]['ndket] n. 指示器；指示劑；指示牌；【統計學】指標；【單詞】trauma ['trou-muh, 'traw-]['trm] n. 創傷；外傷【單詞】healed 原型：heal [heel][hil] vt. 治癒；使恢復健康；使和解 vi. 痊癒
If you ever had a deep-ish cut on your skin, you know that the skin doesn't heal exactly as it was.【譯】如果你的皮膚上有一個淺灰色的深傷口，你知道皮膚不會像以前那樣癒合。【單詞】skin [skin][skn] n. 皮膚；外皮【單詞】heal [heel][hil] vt. 治癒；使恢復健康；使和解 vi. 痊癒【單詞】exactly [ig-'zakt-lee][ɡ'zktli] adv. 精確地；確切地；完全地；嚴密地；正是
It becomes bumpy and is less elastic.【譯】它變得凹凸不平，彈性降低。【單詞】bumpy ['buhm-pee]['bmpi] adj. 顛簸的；崎嶇不平的【單詞】elastic [ih-'las-tik]['lstk] adj. 靈活的；有彈性的；可變的
That's scar tissue.【譯】那是疤痕組織。【單詞】scar [skahr][skɑ] n. 疤痕；傷痕；v. 結疤；痊癒【單詞】tissue ['tish-oo]['tu] n. (生物的)組織
The same thing can happen to tendons either acutely, for example in a strain, or more usually because of some chronic injury.【譯】同樣的情況也可能發生在肌腱上，比如在拉傷中，或者更常見的是由於一些慢性損傷。【單詞】acutely [uh-'kyoot-lee]['kjutli] adv. 尖銳地；劇烈地【單詞】strain [streyn][stren] n. 拉緊；緊張；勞累；過分使用；拉傷【單詞】chronic ['kron-ik]['krnk] adj. 長期的；慢性的；慣常的【單詞】injury ['in-juh-ree]['ndri] n. 傷害；損害
Wrong biomechanics, weak muscles, bad posture etc cause some sort of friction that will lead to inflammation and the formation of scar tissue on the tendon or ligament.【譯】錯誤的生物力學、肌肉薄弱、姿勢不好等會引起某種摩擦，從而導致炎症，並在肌腱或韌帶上形成疤痕組織。【單詞】biomechanics [bahy-oh-mi-'kan-iks][bam'knks] n. 生物力學【單詞】weak [week][wik] adj. 弱的；虛弱的；無力的；差的；淡薄的【單詞】muscles 原型：muscle ['muhs-uhl]['msl] n. 肌肉【單詞】posture ['pos-cher]['pst] n. 姿勢；態度；情形【單詞】friction ['frik-shuhn]['frkn] n. 摩擦；摩擦力；分歧【單詞】inflammation [in-fluh-'mey-shuhn][nfl'men] n. 發炎；炎症；燃燒；激動【單詞】formation [fawr-'mey-shuhn][f'men] n. 形成；編隊；構造
Tendons and ligaments exist inside sheaths called fascia that kind of direct their movement and slightly lubricate them.【譯】肌腱和韌帶存在於被稱為筋膜的保護組織內，引導它們的運動，並稍微潤滑它們。【單詞】Tendons 原型：tendon ['ten-duhn]['tendn] n. 腱【單詞】exist [ig-'zist][ɡ'zst] v. 存在；生存；活著
【單詞】sheath [sheeth][iθ] n. 鞘；護套【單詞】slightly [slahyt]['slatli] adv. 些微地；稍微；瘦小地【單詞】lubricate ['loo-bri-keyt]['lubrket] v. 潤滑；加潤滑劑
Those are like membranes of collagen that are more like bands in various important places where the moving tendon needs to be directed somehow.【譯】這些就像是膠原膜，在不同的重要部位更像是帶，運動的肌腱需要以某種方式定向。【單詞】membranes 名詞複數形式 Membranes 膜【單詞】collagen ['kol-uh-juhn]['kldn] n. 膠原【單詞】bands 原型：band [band][bnd] n. 帶；箍【單詞】somehow ['suhm-hou]['smha] adv. 以某種方式；不知怎麼地
When scar tissue is formed it kind of presses the fascia and snaps when going in and out of it.【譯】當疤痕組織形成時，它會壓迫筋膜，進出時會斷裂。
In extreme cases the scar tissue can become so bad that the joint gets stuck (usually it happens to fingers and we call it trigger finger or stenosing tenosynovitis) and needs treatment to fix it.【譯】在極端情況下，疤痕組織會變得非常糟糕，以至於關節卡住（通常發生在手指上，我們稱之為觸發指或狹窄性腱鞘炎），需要治療來修復。【單詞】extreme [ik-'streem][k'strim] adj. 極度的；極端的 n. 極端；極限【單詞】stuck 原型：stick [stik][stk] vt. 刺入；插於；豎起 vi. 釘住；堅持，遵守；粘貼；生效，起作用【單詞】trigger ['trig-er]['trɡ] v. 使發生；觸發；使運行【單詞】stenosing [st'ns] 變狹窄的【單詞】tenosynovitis [ten-oh-sin-uh-'vahy-tis][tensn'vats] n. 〈醫〉腱鞘炎【單詞】fix [fiks][fks] v.使…… 固定；修理，處理，解決