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題 名 | 溫度與有氧訓練對於骨骼肌肌肉細胞與微血管內皮細胞形態之影響=Morphological Changes of Muscle and Capillary Endothelial Cells after Aerobic Exercise Training under Different Temperature Conditions |
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作 者 | 王光濤; 陳勝凱; | 書刊名 | The Kaohsiung Journal of Medical Sciences |
卷 期 | 15:6 1999.06[民88.06] |
頁 次 | 頁326-336 |
分類號 | 416.64 |
關鍵詞 | 溫度; 有氧訓練; 骨骼肌; 肌肉細胞; 微血管; 皮細胞; Skeletal muscle; Mitochondria; Pinocytic vesicle; |
語 文 | 中文(Chinese) |
中文摘要 | 為了探討溫度變化下長期訓練對於骨骼肌超微構造及微血管內皮細胞小泡的變化,本實驗採取42℃之高溫,26℃之常溫及0℃之低溫為實驗條件。140隻大白鼠分成7群,並做1個月之長期運動訓練,由不同溫度的各群做生檢並取得以環境溫度變化和長期運動下的骨骼肌, 包括伸指長肌(extensor digitorium longus m. EDL)和比目魚肌(soleus m. SOL)在光學顯微鏡下觀察萎縮與壞死的組織變化及其定量,電子顯微鏡下觀察組織變化的超微形態中,粒線體(mitochondria)與微血管(capillary)內皮細胞小泡(pinocytic vesicle. PV)數目的變化。結果為高溫、低溫下運動訓練群之肌肉組織 比常溫運動訓練群變化較大。高溫下運動群之EDL與SOL的粒線體與微血管內皮細胞小泡 數目呈統計學上有意義差 p<0.01,但常溫下運動群雖然變化不大,但也統計學上呈有意義 的差p<0.05。而低溫運動群與常溫下運動對照群的EDL,SOL之粒線體數目兩群皆呈現p<0.05的有意義差,但是微血管內皮細胞小泡雖然有些變化,但不呈現有意義差。可見溫 度對於生物肌肉變化有很大的影響,伸指長肌變化比比目魚肌有較多數目的粒線體與小泡,因而結論在高溫或低溫下運動均對肌肉組織有損害影響,而這些影響以快速收縮肌較為明顯。 |
英文摘要 | The morphological changes of muscle cells and capillary endothelial cells of skeletal muscles were in wshigutet after long-term exercise training at various temperatures. One-hundred and forty rats were divided into seven groups and received a one-month exercise training at conditions of low (0℃), normal (26℃) or high (42℃) temperatures respectively. Muscle samples were obtained from extensor digitorum longus muscle (EDL) and soleus muscle (SOL) of each animal. These samples were used to observe the hitological differences by light microscope, and to observe the changes in the unmber of muscular mitochondria and capillary endothelial pinocytotic vesicles by electron microscope. We found that both low and high temperature groups had higher frequency of atrophy and necrosis in muscle fibers than the normal temperature group. Moreover, EDL muscle had significantly more mitochondria and pinocytotic vesicle than SOL muscle in the high and normal temperature groups. From these results, we suggested that changes of the environmental temperature cause histological malformations of muscle fibersabtw; in addition, these effects were more prominent in fast twitch muscles. |
本系統中英文摘要資訊取自各篇刊載內容。