PROBLEM TO BE SOLVED: To provide an arm body structure of a human body type working robot, which can ensure smooth operating ability of the arm body by eliminating generation of the specific point state of a shoulder joint as much as possible at the time of ordinary operation through the ...
19 Which statement about the elbow joint is true?B A If the biceps contracts, the triceps must relax. B The biceps and triceps can both be partially contracted. C When the biceps relaxes it returns at once to its original length. D When the biceps contracts it straightens the arm at the...
The elbow is a hinge joint that allows movement in a single plane. On the other hand, the shoulder joint is a ball and socket joint that allows a much wider range of movement. In order for the joint to move correctly and without pain, a layer of fibrocartilage is found within all ...
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肱桡肌是前臂的肌肉之一。它从肱骨下部向下延伸到桡骨,肱桡肌是构成肱二头肌后室前臂肌肉,肱桡肌既是浅层肌肉又是梭形肌肉。浅层肌肉位于皮肤和脂肪组织下方,而梭状肌肉末端较薄,中间较厚。它们看起来像一个纺锤,形成肘窝的侧壁。 肱桡肌的功能
The knee is what is called a hinge joint. It is also classified as a synovial joint along with the ankle and elbow. It works to flex (bend) and extend (straighten) and also has a small amount of rotation. BonesThe three bones that make up the knee are the femur (thighbone), tibia...
elbow joint can do the movement of flexion, extension and rotation
and the number of times should be determined according to the individual's physical condition. If the movements are too violent, the number of times is too much, or the amount of exercise is too large, it may cause...
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