knuckle joint

简明释义

铰链接合铰链

英英释义

例句

1.I accidentally hit my hand, and now my knuckle joint 指关节 is bruised.

我不小心打了手，现在我的指关节knuckle joint淤青了。

2.During the game, he injured his knuckle joint 指关节 while catching the ball.

在比赛中，他在接球时受伤了他的指关节knuckle joint。

3.The doctor explained that arthritis can affect the knuckle joint 指关节 and cause swelling.

医生解释说，关节炎会影响指关节knuckle joint并导致肿胀。

4.When I bent my finger, I could feel pain at the knuckle joint 指关节.

当我弯曲手指时，我能感到在指关节knuckle joint处有疼痛。

5.To improve flexibility, you should stretch your fingers and loosen the knuckle joint 指关节.

为了提高灵活性，你应该伸展手指，放松指关节knuckle joint。

作文

The human body is a marvel of engineering, comprised of various systems that work together in harmony. One of the most fascinating aspects of our anatomy is the intricate structure of our joints. Among these, the knuckle joint plays a vital role in facilitating movement and providing stability. The term knuckle joint refers to the joints located between the bones of the fingers, specifically where the phalanges meet the metacarpals. These joints are crucial for the dexterity and functionality of our hands, allowing us to perform a wide range of tasks from typing to playing musical instruments.The knuckle joint is classified as a synovial joint, which means it is surrounded by a fluid-filled capsule that lubricates the joint and reduces friction during movement. This unique structure allows for a greater range of motion compared to other types of joints in the body. The ability of the knuckle joint to flex and extend is essential for gripping objects and manipulating tools, making it an integral part of our daily lives.In addition to their functional importance, knuckle joints also play a key role in our physical appearance. The prominence of our knuckles can vary significantly from person to person, influenced by factors such as genetics, age, and overall health. For instance, some individuals may have pronounced knuckles that are easily visible, while others may have softer, less defined knuckles. This variation can affect how we perceive hand strength and dexterity in ourselves and others.Moreover, the health of our knuckle joints is paramount for maintaining our quality of life. Conditions such as arthritis can lead to pain and stiffness in the knuckles, hindering our ability to perform everyday tasks. It is essential to take care of our joints through regular exercise, a balanced diet, and staying hydrated. Strengthening the muscles around the knuckle joint can provide additional support and reduce the risk of injury.Interestingly, the knuckle joint has cultural significance as well. In many cultures, the act of cracking one's knuckles is a common habit, often associated with relieving tension or preparing for physical activity. While some people believe that cracking knuckles can lead to arthritis, research has shown that this practice is generally harmless. However, it can be annoying to those around you, leading to social stigma in certain situations.In conclusion, the knuckle joint is a remarkable component of our anatomy that serves multiple functions, from enabling intricate movements to contributing to our physical appearance. Understanding the importance of our knuckle joints can help us appreciate the complexities of the human body and the need to maintain its health. By taking proactive steps to care for our joints, we can ensure that they continue to serve us well throughout our lives, allowing us to engage fully in all the activities we enjoy.As we reflect on the significance of the knuckle joint, it becomes evident that even the smallest parts of our bodies play crucial roles in our overall well-being. Whether we are typing away at a keyboard, playing sports, or simply enjoying a meal, our knuckle joints are always at work, reminding us of the beauty of movement and the importance of caring for our bodies.

人体是工程的奇迹，由各种系统和谐地协同工作。我们解剖学中最令人着迷的方面之一是关节的复杂结构。在这些关节中，knuckle joint（指关节）在促进运动和提供稳定性方面发挥着至关重要的作用。术语knuckle joint指的是位于手指骨之间的关节，特别是指骨与掌骨相接的地方。这些关节对于我们的手的灵活性和功能性至关重要，使我们能够执行从打字到演奏乐器的各种任务。knuckle joint被归类为滑膜关节，这意味着它被一个充满液体的囊包围，该液体在运动过程中润滑关节并减少摩擦。这种独特的结构使其相比身体其他类型的关节具有更大的活动范围。knuckle joint的屈伸能力对于抓握物体和操控工具至关重要，使其成为我们日常生活中不可或缺的一部分。除了功能重要性外，knuckle joints还在我们的外貌中扮演着关键角色。我们指关节的突出程度因人而异，受遗传、年龄和整体健康等因素的影响。例如，一些人可能有明显的指关节，而另一些人可能有较柔和、不太明显的指关节。这种变化可能会影响我们对自己和他人的手部力量和灵活性的看法。此外，我们的knuckle joints的健康对维护生活质量至关重要。关节炎等疾病可能导致指关节疼痛和僵硬，妨碍我们执行日常任务。定期锻炼、均衡饮食和保持水分对保护我们的关节至关重要。增强knuckle joint周围肌肉的力量可以提供额外支持，并降低受伤风险。有趣的是，knuckle joint在文化上也具有重要意义。在许多文化中，咔嚓指关节的行为是一种常见习惯，通常与缓解紧张或为身体活动做准备有关。虽然一些人相信咔嚓指关节可能导致关节炎，但研究表明这种做法通常是无害的。然而，在某些情况下，它可能会让周围的人感到烦恼，从而导致社交污名。总之，knuckle joint是我们解剖学中的一个显著组成部分，具有多重功能，从使复杂运动成为可能到对我们的外貌产生影响。理解knuckle joints的重要性可以帮助我们欣赏人体的复杂性以及维护其健康的必要性。通过采取积极措施来照顾我们的关节，我们可以确保它们在我们的生活中继续发挥良好的作用，使我们能够充分参与所有我们喜欢的活动。当我们反思knuckle joint的重要性时，很明显，即使是我们身体中最小的部分也在我们整体健康中发挥着关键作用。无论我们是在键盘上打字、参加运动还是仅仅享用一顿美餐，我们的knuckle joints始终在工作，提醒我们运动的美丽和照顾我们身体的重要性。