movable joint

简明释义

活接头

英英释义

例句

1.In robotics, engineers design movable joints 活动关节 to mimic human movement.

在机器人技术中，工程师设计活动关节以模仿人类运动。

2.A hinge is a common example of a movable joint 活动关节 found in doors.

铰链是门中常见的活动关节的一个例子。

3.The shoulder is a complex movable joint 活动关节 that allows for rotational movement.

肩膀是一个复杂的活动关节, 允许旋转运动。

4.The human body has many types of movable joint 活动关节, allowing for a wide range of motion.

人体有许多类型的活动关节, 允许广泛的运动范围。

5.Some animals have specialized movable joints 活动关节 that enable them to run faster.

一些动物具有专门的活动关节, 使它们能够更快地奔跑。

作文

The human body is a marvel of biological engineering, consisting of numerous components that work together to enable movement and functionality. One of the most critical components in this intricate system is the movable joint, which allows for flexibility and a range of motion that is essential for daily activities. Understanding the significance of movable joints can provide insight into how our bodies function and how we can maintain our health as we age.Movable joints, also known as synovial joints, include structures such as the knee, elbow, shoulder, and hip. These joints are characterized by their ability to allow significant movement between the bones they connect. For instance, the knee joint enables us to walk, run, and jump, while the shoulder joint allows for a wide range of arm movements. The design of movable joints includes cartilage, ligaments, and synovial fluid, all of which contribute to their functionality and durability.Cartilage is a smooth, rubbery tissue that covers the ends of bones at the joint, providing a cushion that absorbs shock during movement. This cushioning effect is crucial, especially during high-impact activities like running or jumping. Ligaments are tough bands of tissue that connect bones to other bones, providing stability and support to the movable joint. Synovial fluid, produced by the synovial membrane, lubricates the joint, reducing friction and allowing for smoother movement.As we age, the health of our movable joints can decline due to wear and tear, leading to conditions such as osteoarthritis. This degenerative joint disease occurs when the cartilage wears down over time, causing pain, stiffness, and reduced mobility. Therefore, it is vital to take proactive steps to maintain the health of our movable joints. Regular exercise, a balanced diet rich in nutrients, and maintaining a healthy weight can significantly contribute to joint health.Incorporating low-impact exercises, such as swimming or cycling, can help strengthen the muscles around the movable joints without putting excessive strain on them. Additionally, stretching and flexibility exercises can improve the range of motion and reduce the risk of injury. It is also beneficial to include foods that support joint health, such as those rich in omega-3 fatty acids, antioxidants, and vitamins C and D.Moreover, understanding the importance of movable joints extends beyond just physical health; it also impacts our overall well-being. Engaging in activities that require movement can enhance our mood, reduce stress, and improve our quality of life. Whether it's playing sports, dancing, or simply taking a walk in the park, keeping our movable joints healthy allows us to enjoy these activities fully.In conclusion, movable joints play a pivotal role in our ability to move and perform everyday tasks. By understanding their structure and function, we can make informed choices to protect and maintain these vital components of our bodies. As we strive for a healthy lifestyle, let us not forget the importance of caring for our movable joints to ensure that we can continue to live active and fulfilling lives for years to come.

人体是生物工程的奇迹，由许多组成部分组成，这些部分共同工作以实现运动和功能。在这个复杂系统中，最关键的组成部分之一是活动关节，它允许灵活性和运动范围，这对日常活动至关重要。理解活动关节的重要性可以深入了解我们身体的功能以及如何在衰老过程中保持健康。活动关节，也称为滑液关节，包括膝关节、肘关节、肩关节和髋关节等结构。这些关节的特点是能够允许连接它们的骨骼之间有显著的运动。例如，膝关节使我们能够行走、奔跑和跳跃，而肩关节则允许手臂进行广泛的运动。活动关节的设计包括软骨、韧带和滑液，所有这些都对其功能性和耐用性作出贡献。软骨是一种光滑的、橡胶状的组织，覆盖在关节的骨端，提供在运动过程中吸收冲击的缓冲。这种缓冲效果至关重要，特别是在高强度活动如跑步或跳跃时。韧带是连接骨头与其他骨头的坚韧组织带，为活动关节提供稳定性和支持。滑液由滑膜产生，润滑关节，减少摩擦，使运动更加顺畅。随着年龄的增长，我们的活动关节的健康可能会因磨损而下降，导致像骨关节炎这样的疾病。这种退行性关节病发生在软骨随时间磨损时，导致疼痛、僵硬和活动能力下降。因此，采取主动措施来维护我们的活动关节的健康至关重要。定期锻炼、均衡饮食和保持健康体重可以显著促进关节健康。融入低冲击的锻炼，例如游泳或骑自行车，可以帮助增强活动关节周围肌肉的力量，而不会对它们施加过大的压力。此外，拉伸和柔韧性练习可以改善运动范围并减少受伤风险。还建议包括富含Omega-3脂肪酸、抗氧化剂以及维生素C和D的食物，以支持关节健康。此外，理解活动关节的重要性不仅仅局限于身体健康；它也影响我们的整体幸福感。参与需要运动的活动可以提升我们的情绪、减轻压力，并改善我们的生活质量。无论是参加体育运动、跳舞还是简单地在公园散步，保持我们的活动关节健康使我们能够充分享受这些活动。总之，活动关节在我们能够移动和执行日常任务中扮演着关键角色。通过理解它们的结构和功能，我们可以做出明智的选择来保护和维护这些我们身体的重要组成部分。在追求健康生活方式的过程中，让我们不要忘记关心我们的活动关节的重要性，以确保我们能够继续活跃和充实地生活多年。