extensor

简明释义

英[ɪkˈstensə(r);ekˈstensə(r)]美[ɪkˈstensərˌekˈstensər]

n. 伸肌

英英释义

单词用法

同义词

反义词

例句

1.The cases were treated by the retroversal island flaps with the extensor indicis proprius tendon.

本组病例均采用固有伸肌岛状皮瓣加逆行岛状皮瓣修复。

2.The elderly are tend to flex hip joint more and use hip extensor muscle to propel the body forward.

老年人在上坡时倾向以弯曲髋关节，多用髋伸直肌群的策略使重心向前，身体推进。

3.The relationship between submaximal activity of the lumbar extensor muscles and lumbar posteroanterior stiffness.

腰椎后前的刚度之间的关系非最大活性的肌肉和腰伸肌。

4.Objective To investigate the extensor carpi ulnaris extensor pollicis displacement of a rebuilding of thumb opposing function and effect of treatment.

目的探讨尺侧腕伸肌一拇短伸肌位移重建拇指对掌功能的治疗方法及疗效。

5.Objective To investigate the diagnosis and treatment of fatigue injuries of finger extensor tendon.

目的探讨指伸肌腱疲劳性损伤的诊断治疗方法。

6.Objective to observe the anatomy of the extensor tendon hood and investigate its relation to allogenic tendon hood grafting.

目的探讨伸肌腱腱帽解剖与异体腱帽移植的相关性研究。

7.When the extensor contracts, it straightens the joint.

伸肌收缩则使关节伸直。

8.The SFEMG was recorded from the same extensor digitorum communis (EDC) muscle.

记录同一右侧伸指总肌的单纤维肌电图。

9.The extensor muscles in your forearm help you to straighten your fingers.

您前臂中的伸肌帮助您伸直手指。

10.Injuries to the extensor tendons can lead to difficulty in finger movement.

对伸肌腱的损伤可能导致手指运动困难。

11.The doctor examined the extensor function of my wrist during the check-up.

医生在检查时检查了我手腕的伸肌功能。

12.Strengthening the extensor muscles can improve your grip strength.

增强伸肌可以提高您的握力。

13.During the workout, I focused on exercises that target the extensor muscles in my legs.

在锻炼期间，我专注于针对腿部伸肌的练习。

作文

The human body is a complex system of muscles and bones that work together to facilitate movement. One of the key components of this system is the group of muscles known as the extensors (伸肌). These muscles play a crucial role in extending various parts of the body, allowing us to perform everyday activities with ease. Understanding how extensors function can provide insights into the mechanics of movement and the importance of muscle balance. To begin with, extensors are primarily responsible for straightening joints. For instance, the muscles located in the forearm that extend the wrist and fingers are classified as extensors. When we reach out to grab an object, these muscles contract to extend our fingers, enabling us to grasp items securely. Similarly, the muscles in the legs that extend the knee joint are also extensors. This action is essential for walking, running, and jumping, demonstrating the vital role that extensors play in our mobility. Moreover, the functionality of extensors extends beyond just physical movement; they also contribute to our overall posture. A well-balanced muscular system requires both flexors and extensors to maintain stability. For example, the balance between the flexor muscles at the front of the arm and the extensor muscles at the back is crucial for achieving proper posture while sitting or standing. If one group is significantly stronger than the other, it can lead to postural imbalances and discomfort. In addition to their role in movement and posture, extensors are also important in sports and physical activities. Athletes often engage in exercises that target these muscles to enhance performance. For example, weightlifters focus on strengthening their extensors to improve their ability to lift heavy weights effectively. Similarly, runners benefit from strong extensors in their legs to increase stride length and power during sprints. However, it is essential to recognize that overworking extensors can lead to injuries. Common issues include tendonitis and strains, particularly in athletes who do not allow adequate recovery time. Proper stretching and strengthening routines can help prevent such injuries by ensuring that the extensors remain flexible and resilient. In conclusion, extensors (伸肌) are indispensable components of the musculoskeletal system that facilitate movement, support posture, and enhance athletic performance. A better understanding of how these muscles operate can inform training regimens and injury prevention strategies. By acknowledging the importance of extensors, individuals can take proactive steps to maintain their physical health and optimize their movement capabilities. Whether you are an athlete or someone who simply wants to stay active, appreciating the role of extensors is crucial for a healthy lifestyle.

人体是一个复杂的肌肉和骨骼系统，这些系统共同作用以促进运动。这个系统的一个关键组成部分是一组称为伸肌的肌肉。这些肌肉在伸展身体各个部位方面发挥着重要作用，使我们能够轻松地进行日常活动。理解伸肌的功能可以提供对运动力学的深入了解，以及肌肉平衡的重要性。 首先，伸肌主要负责拉直关节。例如，位于前臂的肌肉可以伸展手腕和手指，这些肌肉被归类为伸肌。当我们伸手去抓取物体时，这些肌肉收缩以伸展我们的手指，使我们能够牢牢抓住物品。同样，腿部的肌肉也能伸展膝关节，这些肌肉也是伸肌。这一动作对于行走、跑步和跳跃至关重要，展示了伸肌在我们移动中的重要角色。 此外，伸肌的功能不仅仅局限于身体运动；它们还对我们的整体姿势产生影响。一个平衡良好的肌肉系统需要屈肌和伸肌共同作用以维持稳定。例如，前臂前面的屈肌与后面伸肌之间的平衡对于在坐着或站立时保持正确的姿势至关重要。如果一组肌肉明显强于另一组，就可能导致姿势不平衡和不适。 除了在运动和姿势中的作用，伸肌在体育和身体活动中也很重要。运动员通常参与针对这些肌肉的锻炼，以提高表现。例如，举重运动员专注于增强他们的伸肌以提高有效举起重物的能力。同样，跑步者从强壮的伸肌中受益，以增加冲刺时的步幅和力量。 然而，必须认识到，过度使用伸肌可能导致受伤。常见的问题包括腱炎和拉伤，特别是在没有足够恢复时间的运动员中。适当的拉伸和强化例程可以通过确保伸肌保持灵活和有弹性来帮助预防此类伤害。 总之，伸肌（伸肌）是肌肉骨骼系统中不可或缺的组成部分，它们促进运动，支持姿势，并增强运动表现。更好地理解这些肌肉的运作可以为训练方案和预防伤害策略提供信息。通过承认伸肌的重要性，个人可以采取积极措施来保持身体健康并优化运动能力。无论您是运动员还是只是想保持活跃的人，欣赏伸肌的作用对健康的生活方式至关重要。