| 词汇 | extensor |
| 释义 | extensor noun[ C ] anatomy specializeduk /ɪkˈstent.sər/ us /ɪkˈsten.sɚ/ a muscle that moves an arm, leg, or other body part into a straight position from a bent one伸肌 Substances & structures in the body abductor accessorius ACL actin adductor funiculus fusiform glomerular glomerulus GnRH navicular neuroendocrine neurohormonal neurohormone nociceptive tendinous tendinum tendo tensor Th It is more marked in the extensor than in the flexor groups of muscles. Some had their sleeves pushed up to the elbow to exhibit their compact flexors and extensors. The muscles which bend the limbs are called flexors while those which straighten them are known as extensors. Volar flexion is limited by the extensors of the phalanges. Wasting of the muscles, especially the extensors, in the vicinity of the joint is a constant accompaniment of arthritis. extensor | American Dictionaryextensor noun[ C ] us/ɪkˈsten·sər/ biology a muscle that allows you to make part of your body straight Examples of extensorextensor In the upper extremities, wrist and finger extensors and deltoids were the most affected muscles. Can strong back extensors prevent vertebral fractures in women with osteoporosis? The gait command is in fact a bit string of "0" and "1" indicating the "off" and "on" states of the grippers and extensors. Note that the transition between any states of the robot's extensors must satisfy the kinematic constraints imposed by the environment. An extensor muscle is used in the proportional position control of the digit flexion; the greater the tension the wider the hand opens. The type of contracted muscle (flexor/ extensor) determines the movement direction, the amplitude determines the opening/closing speed. Large longitudinal extensor and flexor muscles project into the hindbody where they connect to the body wall or end blindly. This could be caused by short length of flexors and extensors muscle groups and/or lack of muscular power. This causes triceps weakness and increased involvement of wrist extensors and finger extensors. The extensors changing from 0 to 1 are shaded in the figure for illustration. This label sequence represents the sequence of the extensor states of a gait. The stroke lengths of all extensors are the same. The right one is then called the front auxiliary extensor and the left one the rear auxiliary extensor. To achieve this type of motion, only two extensors will be coordinately actuated at the same time. Large longitudinal extensor and flexor muscles derived from the longitudinal body wall muscle in the forebody extend into the hindbody. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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