knuckle-and-socket joint

简明释义

链球形联结

英英释义

A knuckle-and-socket joint is a type of joint in which a rounded end of one bone fits into a cup-like cavity of another bone, allowing for a wide range of motion, similar to that of a ball-and-socket joint.

指关节和窝关节是一种关节,其中一根骨头的圆形末端适合另一根骨头的杯状腔内,允许广泛的运动范围,类似于球窝关节。

例句

1.In sports like basketball, players often rely on their knuckle-and-socket joint 指关节和插槽关节 to make quick passes and shots.

在篮球等运动中,运动员常常依赖他们的knuckle-and-socket joint 指关节和插槽关节来快速传球和投篮。

2.In some injuries, the knuckle-and-socket joint 指关节和插槽关节 can become dislocated, requiring medical attention.

在某些伤害中,knuckle-and-socket joint 指关节和插槽关节可能会脱位,需要医疗关注。

3.The human hand is a remarkable structure, with each finger containing a knuckle-and-socket joint 指关节和插槽关节 that allows for a wide range of motion.

人手是一个非凡的结构,每根手指都包含一个knuckle-and-socket joint 指关节和插槽关节,这使得手指可以进行广泛的运动。

4.The design of the robotic arm mimics the knuckle-and-socket joint 指关节和插槽关节 to enhance flexibility and movement.

机器手臂的设计模仿了knuckle-and-socket joint 指关节和插槽关节,以增强灵活性和运动能力。

5.When studying anatomy, students learn about the knuckle-and-socket joint 指关节和插槽关节 as a key component of finger movement.

在学习解剖学时,学生们了解knuckle-and-socket joint 指关节和插槽关节作为手指运动的关键组成部分。

作文

The human body is a marvel of engineering, consisting of various joints that allow for a wide range of movements. One particularly fascinating type of joint is the knuckle-and-socket joint, which plays a crucial role in our ability to grasp and manipulate objects. This joint type can be found in several areas of the body, most notably in the fingers and toes, where it facilitates intricate movements necessary for tasks ranging from typing to playing musical instruments.To understand the knuckle-and-socket joint, we must first look at its structure. This joint consists of two main components: the rounded end of one bone, known as the 'knuckle,' and the concave surface of another bone, referred to as the 'socket.' When these two surfaces fit together, they create a stable yet flexible connection that allows for both rotational and angular movement. This unique configuration is what enables us to perform delicate actions with precision.In everyday life, the knuckle-and-socket joint is vital for activities that require fine motor skills. For instance, when we write or draw, our fingers rely heavily on this joint to move fluidly and accurately. The ability to flex and extend our fingers is largely due to the design of the knuckle-and-socket joint. Additionally, this joint type is essential for gripping objects, whether it's holding a pencil, a cup, or even a steering wheel. Without the flexibility provided by the knuckle-and-socket joint, these tasks would become significantly more challenging.Moreover, the knuckle-and-socket joint is not only important for functionality but also for our overall dexterity. As we age, the wear and tear on our joints can lead to conditions such as arthritis, which may affect the mobility of our knuckle-and-socket joints. This highlights the importance of maintaining joint health through regular exercise and proper nutrition. Activities such as stretching and strength training can help preserve the integrity of these joints, ensuring that we retain our ability to perform daily tasks with ease.In sports, the significance of the knuckle-and-socket joint becomes even more apparent. Athletes rely on their joints to execute quick movements and maintain balance. For example, basketball players need to have strong and flexible fingers to handle the ball effectively. The knuckle-and-socket joint allows for the rapid changes in direction and speed that are crucial in competitive sports. Injuries to this joint can severely impact an athlete's performance, making it imperative for them to take care of their bodies.In conclusion, the knuckle-and-socket joint is a remarkable feature of the human skeletal system that enables a wide range of movements and functions. Its unique structure allows for both stability and flexibility, making it essential for everyday tasks, athletic performance, and overall dexterity. Understanding the importance of the knuckle-and-socket joint encourages us to appreciate the complexity of our bodies and the need to maintain joint health throughout our lives. As we continue to explore the intricacies of human anatomy, we gain a deeper appreciation for the incredible design of our skeletal system and the vital roles that each joint plays in our daily lives.

人类身体是一项工程奇迹,由各种关节组成,使我们能够进行广泛的运动。其中一种特别迷人的关节类型是指关节和插座关节,它在我们抓握和操纵物体的能力中发挥着至关重要的作用。这种关节类型可以在身体的多个部位找到,尤其是在手指和脚趾中,它促进了从打字到演奏乐器所需的复杂动作。要理解指关节和插座关节,我们首先必须看看它的结构。这个关节由两个主要部分组成:一个骨头的圆形末端,称为“指关节”,以及另一个骨头的凹面,称为“插座”。当这两个表面结合在一起时,它们创造了一个稳定而灵活的连接,允许旋转和角度运动。这种独特的配置使我们能够以精确度执行精细的动作。在日常生活中,指关节和插座关节对需要精细运动技能的活动至关重要。例如,当我们写字或画画时,我们的手指在很大程度上依赖于这个关节,以流畅和准确地移动。手指的弯曲和伸展能力主要归功于指关节和插座关节的设计。此外,这种关节类型对于抓握物体也是必不可少的,无论是握住铅笔、杯子还是方向盘。如果没有指关节和插座关节提供的灵活性,这些任务将变得更加困难。此外,指关节和插座关节不仅对功能重要,而且对我们的整体灵活性也至关重要。随着年龄的增长,关节的磨损可能导致像关节炎这样的疾病,这可能会影响指关节和插座关节的活动能力。这突显了通过定期锻炼和适当营养来维护关节健康的重要性。拉伸和力量训练等活动可以帮助保持这些关节的完整性,确保我们能够轻松地执行日常任务。在运动中,指关节和插座关节的重要性变得更加明显。运动员依赖他们的关节来执行快速动作和保持平衡。例如,篮球运动员需要强壮而灵活的手指,以有效地控制篮球。指关节和插座关节允许在竞争性运动中快速改变方向和速度。对这个关节的伤害可能会严重影响运动员的表现,因此对他们来说,照顾好自己的身体是必要的。总之,指关节和插座关节是人类骨骼系统的一项显著特征,使广泛的运动和功能成为可能。它独特的结构允许稳定性和灵活性,使其对日常任务、运动表现和整体灵活性至关重要。理解指关节和插座关节的重要性促使我们欣赏身体的复杂性以及在整个生命中保持关节健康的必要性。当我们继续探索人类解剖学的复杂性时,我们对骨骼系统的惊人设计和每个关节在我们日常生活中所扮演的重要角色有了更深入的认识。