knuckle-and-socket joint

简明释义

链球形连接

英英释义

例句

1.The human hand has a variety of movements thanks to the flexibility of the knuckle-and-socket joint （指关节）.

人手由于knuckle-and-socket joint （指关节）的灵活性而具有多种运动。

2.In sports like basketball, the strength of the knuckle-and-socket joint （指关节） is essential for shooting.

在篮球等运动中，knuckle-and-socket joint （指关节）的力量对投篮至关重要。

3.The surgeon explained how the knuckle-and-socket joint （指关节） can be injured during heavy lifting.

外科医生解释了在重物搬运过程中如何可能会损伤knuckle-and-socket joint （指关节）。

4.When playing the piano, the knuckle-and-socket joint （指关节） allows for quick finger movements.

在弹钢琴时，knuckle-and-socket joint （指关节）使得手指能够快速移动。

5.Children often dislocate their knuckle-and-socket joint （指关节） while playing rough games.

孩子们在玩粗暴游戏时常常会脱臼他们的knuckle-and-socket joint （指关节）。

作文

The human body is a complex and fascinating structure made up of various types of joints that allow for movement and flexibility. One such joint is the knuckle-and-socket joint, which plays a crucial role in our daily activities. Understanding how this joint functions can provide insight into the overall mechanics of the human body. The knuckle-and-socket joint is characterized by a rounded end of one bone fitting into a hollowed-out section of another bone, allowing for a wide range of motion. This design is particularly important in areas such as the hands and feet, where dexterity and mobility are essential.In the hand, for example, the knuckle-and-socket joint allows us to grip objects, perform delicate tasks, and express ourselves through gestures. Each finger has multiple joints, including the metacarpophalangeal joints, commonly referred to as the knuckles. These joints enable the fingers to bend and straighten, providing the necessary flexibility for various functions. Without the proper functioning of these joints, simple tasks like typing, writing, or playing a musical instrument would become significantly more challenging.Moreover, the knuckle-and-socket joint is not limited to the fingers; it also plays a role in the movement of the toes. Similar to the fingers, the toes have joints that allow for bending and flexing, which is vital for walking, running, and maintaining balance. The design of the knuckle-and-socket joint in the toes contributes to our ability to navigate different terrains and adjust our posture accordingly.In addition to their functional importance, knuckle-and-socket joints are also fascinating from an anatomical perspective. They are surrounded by ligaments and tendons that provide stability and support, ensuring that the bones remain properly aligned during movement. This intricate system of connective tissues helps to prevent injuries and maintain the integrity of the joint.However, despite their robustness, knuckle-and-socket joints can be susceptible to injuries and conditions such as arthritis. Over time, wear and tear on these joints can lead to pain and decreased mobility, affecting an individual's quality of life. Therefore, understanding how to care for these joints is essential. Regular exercise, maintaining a healthy weight, and avoiding repetitive strain can help preserve the function of knuckle-and-socket joints throughout life.In conclusion, the knuckle-and-socket joint is a remarkable feature of human anatomy that allows for a wide range of movements necessary for daily life. From gripping objects to walking, these joints play a vital role in our overall functionality. By appreciating the complexity of the knuckle-and-socket joint and taking steps to protect them, we can ensure that we continue to enjoy the full range of motion they provide for many years to come.

人体是一个复杂而迷人的结构，由各种类型的关节组成，这些关节允许运动和灵活性。其中一个关节是指关节-插槽关节，它在我们的日常活动中发挥着至关重要的作用。理解这个关节如何运作可以提供对人体整体机制的洞察。指关节-插槽关节的特点是一个骨头的圆形末端适合于另一个骨头的凹陷部分，从而允许广泛的运动范围。这种设计在手和脚等区域尤为重要，因为灵活性和移动性是必不可少的。例如，在手中，指关节-插槽关节使我们能够抓取物体、执行精细任务以及通过手势表达自己。每根手指都有多个关节，包括掌指关节，通常被称为指关节。这些关节使手指能够弯曲和伸展，为各种功能提供必要的灵活性。如果这些关节不能正常运作，简单的任务如打字、写字或演奏乐器将变得非常困难。此外，指关节-插槽关节不仅限于手指；它在脚趾的运动中也起着作用。与手指类似，脚趾有关节可以弯曲和伸展，这对走路、跑步和保持平衡至关重要。指关节-插槽关节在脚趾中的设计有助于我们在不同地形上行走并相应地调整姿势。除了功能上的重要性，指关节-插槽关节从解剖学的角度来看也令人着迷。它们被韧带和肌腱包围，提供稳定性和支持，确保骨头在运动过程中保持适当的对齐。这种复杂的连接组织系统有助于防止受伤并维持关节的完整性。然而，尽管它们坚固，但指关节-插槽关节也容易受到损伤和疾病，如关节炎。随着时间的推移，这些关节的磨损可能导致疼痛和活动能力下降，影响个人的生活质量。因此，了解如何护理这些关节是至关重要的。定期锻炼、保持健康体重以及避免重复性劳损可以帮助保护指关节-插槽关节的功能。总之，指关节-插槽关节是人类解剖学的一个显著特征，它允许进行日常生活所需的广泛运动。从抓取物体到走路，这些关节在我们的整体功能中发挥着至关重要的作用。通过欣赏指关节-插槽关节的复杂性并采取措施保护它们，我们可以确保在未来许多年里继续享受它们所提供的全面运动范围。