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TYPES OF MUSCLES
肌肉類型
Three basic types of muscle tissue are skeletal muscle, smooth muscle, and cardiac muscle.
三種最基本肌肉類型分別是骨骼肌，平滑肌以及心肌。
These muscle tissues are either voluntary or involuntary.
上述肌肉組織有的為“隨意肌”，有的為“非隨意肌”。
Voluntary muscle tissue allows the person to dictate the function.
人類可隨意支配“隨意肌”。
The skeletal muscles of the arm and leg are examples of this type of muscle.
胳臂和腿部的骨骼肌為“隨意肌”。
Involuntary muscles generally act without any conscious direction from the person.
通常情況下，“非隨意肌”無法跟隨意識支配。
The smooth muscles found in internal organs and cardiac muscles are examples of involuntary muscle tissue.
內臟器官的平滑肌，以及心肌均為“非隨意肌”。
Skeletal muscles are attached to the skeletal bones and allow for voluntary movement.
骨架骨上的骨骼肌為“隨意肌”。
These muscles are wrapped in layers of connective tissue called fascia.
骨骼肌被層層結締組織所纏繞，我們將其稱之為筋膜。
The fascia covering tapers at each end of a skeletal muscle to form a very strong tendon.
筋膜覆蓋在骨骼肌末端，形成肌腱。
The tendon then inserts into the periosteum covering a bone to attach the muscle to the bone.
肌腱植入骨外膜，與肌肉附著的骨骼被骨外膜覆蓋。
Skeletal muscles are stimulated by motor neurons of the nervous system.
骨骼肌是通過神經(jīng)系統(tǒng)的神經(jīng)元刺激活動。
Smooth muscle tissue is found in the walls of the hollow organs, such as the stomach, and tube-shaped organs, such as the respiratory airways and blood vessels.
平滑肌組織出現(xiàn)在中空器官壁，例如臟器胃，以及呼吸道，血管等管狀器官。
It is responsible for the involuntary muscle action associated with movement of the internal organs.
“非隨意肌”運動與臟器運動有關。
Cardiac muscle, or myocardium, occurs in the walls of the heart and allows for the heart’s involuntary pumping action.
心肌組成心臟壁，使心臟進行非隨意性跳動。
The name of a muscle often reflects its location, size, fiber direction, or number of attachment points, as the following examples illustrate.
肌肉命名通常會反應它的位置，大小、肌纖維方向或附著點多少，舉例如下。
Location：The term rectus abdominis means straight abdominal muscle.
地點：腹直肌意為垂直腹肌。
Size：when gluteus, meaning rump area, is combined with maximus, meaning large, we have the term gluteus maximus.
大?。罕奂∫鉃楸鄄浚艏由媳硎尽按蟆钡摹癿aximus”，就有了臂大?。╣luteus maximus）一詞。
Fiber direction：The adductor longus is the long thigh muscle responsible for adduction.
肌纖維方向：長收肌為負責內收的大腿肌。
Number of attachment points：The term bi, meaning two, can form the medical term biceps，which stands for the muscle in the upper arm that has two heads or connecting points.
附著點多少：“bi”意為二，可組成醫(yī)學名詞“biceps”二頭肌，意為有兩個頭肌或兩個連接點的上臂肌肉。
譯文屬可可英語原創(chuàng)，未經(jīng)允許，不得轉載。
