hinged joint

简明释义

铰接连结

英英释义

例句

1.The door operates smoothly thanks to its well-designed hinged joint.

这扇门因其设计良好的铰接关节而运作顺畅。

2.In human anatomy, the knee is an example of a hinged joint.

在人类解剖学中，膝盖是一个铰接关节的例子。

3.A hinged joint provides a stable connection while allowing for movement.

一个铰接关节提供了一个稳定的连接，同时允许移动。

4.The cabinet doors have a hinged joint that allows them to open easily.

橱柜的门有一个铰接关节，使它们可以轻松打开。

5.The robotic arm uses a hinged joint to mimic human motion.

机器人手臂使用铰接关节来模拟人类运动。

作文

In the world of anatomy and biomechanics, understanding the structure and function of various types of joints is crucial. One particularly interesting type of joint is the hinged joint, which plays a vital role in our daily movements. A hinged joint can be defined as a type of synovial joint that allows movement primarily in one plane, similar to the way a door swings on its hinges. This type of joint is essential for activities such as bending and straightening limbs, making it fundamental to our mobility.The most common examples of hinged joints in the human body are found in the elbows and knees. These joints are designed to provide stability while allowing for a range of motion that is necessary for various physical activities. For instance, when we walk, run, or jump, our knees flex and extend thanks to the hinged joints that connect our thigh bones to our shin bones. Similarly, our elbows allow us to lift objects and perform tasks by bending and straightening our arms.From a biomechanical perspective, the hinged joint is fascinating because it operates under specific mechanical principles. The surfaces of the bones that form a hinged joint are shaped in a way that they fit together perfectly, allowing for smooth movement. Ligaments and tendons surrounding these joints provide additional support and stability, ensuring that we can exert force without risking injury.Moreover, the functionality of hinged joints is not just limited to humans; many animals also possess similar structures. For example, the knees of a dog or the elbows of a cat exhibit the same properties as human hinged joints, enabling them to move efficiently in their environments. This similarity across species highlights the evolutionary significance of hinged joints in facilitating movement and survival.In addition to their biological importance, hinged joints have inspired innovations in engineering and design. The concept of a hinged joint has been applied in creating various mechanical devices, such as doors, gates, and even robotic arms. Engineers study the mechanics of hinged joints to develop systems that mimic the natural movement of living organisms, leading to advancements in robotics and prosthetics.Understanding the mechanics and functions of hinged joints can also help in the field of medicine. Injuries to these joints, such as ligament tears or arthritis, can significantly impact a person's quality of life. By studying how hinged joints work, healthcare professionals can better diagnose and treat conditions that affect mobility. Rehabilitation exercises often focus on strengthening the muscles around hinged joints, promoting recovery and preventing future injuries.In conclusion, the hinged joint is a remarkable anatomical feature that plays an integral role in both human and animal movement. Its design allows for efficient and controlled motion in one plane, making it essential for various activities. The study of hinged joints not only enhances our understanding of biomechanics but also informs medical practices and inspires technological innovations. As we continue to explore the complexities of our bodies, the significance of hinged joints remains evident in both health and engineering domains.

在解剖学和生物力学的世界中，理解各种关节的结构和功能至关重要。其中一个特别有趣的关节类型是铰链关节，它在我们日常运动中发挥着重要作用。铰链关节可以定义为一种滑膜关节，主要允许在一个平面内运动，类似于门在铰链上摆动的方式。这种关节对于弯曲和伸展肢体等活动至关重要，因此对我们的移动能力至关重要。人类身体中最常见的铰链关节例子出现在肘部和膝盖。这些关节旨在提供稳定性，同时允许进行必要的多种身体活动的运动范围。例如，当我们走路、跑步或跳跃时，我们的膝盖因连接大腿骨和小腿骨的铰链关节而弯曲和伸展。同样，我们的肘部通过弯曲和伸展手臂使我们能够举起物体和执行任务。从生物力学的角度来看，铰链关节是迷人的，因为它在特定的机械原理下运作。形成铰链关节的骨骼表面形状完美契合，允许平滑运动。围绕这些关节的韧带和肌腱提供额外的支持和稳定性，确保我们能够施加力量而不冒受伤的风险。此外，铰链关节的功能不仅限于人类；许多动物也具有类似的结构。例如，狗的膝盖或猫的肘部表现出与人类铰链关节相同的特性，使它们能够在环境中高效移动。这种跨物种的相似性突显了铰链关节在促进运动和生存方面的进化重要性。除了生物学的重要性，铰链关节还启发了工程和设计领域的创新。铰链关节的概念被应用于创建各种机械设备，例如门、栅栏，甚至机器人手臂。工程师研究铰链关节的机械原理，以开发模仿生物体自然运动的系统，从而推动机器人技术和假肢的发展。理解铰链关节的机制和功能也有助于医学领域。对这些关节的损伤，如韧带撕裂或关节炎，可能会显著影响一个人的生活质量。通过研究铰链关节的工作原理，医疗专业人员可以更好地诊断和治疗影响移动性的疾病。康复锻炼通常专注于增强铰链关节周围肌肉的力量，促进恢复并防止未来的伤害。总之，铰链关节是一个显著的解剖特征，在人类和动物运动中发挥着不可或缺的作用。它的设计允许在一个平面内高效且受控的运动，使其对各种活动至关重要。对铰链关节的研究不仅增强了我们对生物力学的理解，还为医学实践提供了信息，并激励了技术创新。随着我们继续探索身体的复杂性，铰链关节的重要性在健康和工程领域依然显而易见。