ball-and-socket joint

简明释义

球窝节

英英释义

A ball-and-socket joint is a type of joint in the body that allows for rotational movement in multiple directions, consisting of a spherical head (the ball) that fits into a rounded cavity (the socket).

球窝关节是一种允许多方向旋转运动的身体关节,由一个球形头部(球)和一个圆形凹腔(窝)组成。

例句

1.The human shoulder is a prime example of a ball-and-socket joint, which allows for a wide range of motion.

人类的肩关节是一个典型的球窝关节,它允许很大的活动范围。

2.In anatomy class, we learned that the hip is another ball-and-socket joint, providing stability and flexibility.

在解剖学课上,我们了解到髋关节是另一个球窝关节,提供稳定性和灵活性。

3.Athletes often rely on their ball-and-socket joints for agility and movement during sports.

运动员在运动中常常依赖他们的球窝关节来保持敏捷和移动。

4.The ball-and-socket joint in the shoulder allows for overhead movements essential in swimming.

肩部的球窝关节允许进行游泳时必需的高位动作。

5.When studying human biomechanics, understanding the function of the ball-and-socket joint is crucial.

在研究人体生物力学时,理解球窝关节的功能是至关重要的。

作文

The human body is an incredible machine, composed of various parts that work together to allow for movement and function. One of the most fascinating components of our skeletal system is the joint structure known as a ball-and-socket joint. This type of joint plays a crucial role in enabling a wide range of motion in our bodies, facilitating activities such as walking, dancing, and playing sports.A ball-and-socket joint consists of a spherical head of one bone that fits into a cup-like socket of another bone. This unique design allows for rotational movement in multiple directions. The most well-known examples of ball-and-socket joints in the human body are the shoulder and hip joints. In the shoulder, the humerus bone (the upper arm) connects to the scapula (the shoulder blade), while in the hip, the femur (the thigh bone) fits into the acetabulum of the pelvis.The versatility of ball-and-socket joints is remarkable. They enable us to lift our arms above our heads, swing them in circles, and even reach behind our backs. Similarly, the hip joint allows for movements such as squatting, kicking, and rotating our legs. This extensive range of motion is vital for performing daily tasks and participating in various physical activities.However, with great mobility comes the potential for injury. Because ball-and-socket joints allow for such a wide range of motion, they can be more susceptible to dislocations and other injuries. For instance, a fall or sudden twist can lead to a dislocated shoulder, which can be both painful and debilitating. Therefore, it is essential to maintain strength and flexibility in the muscles surrounding these joints to prevent injuries.In addition to their anatomical significance, ball-and-socket joints also illustrate the beauty of biomechanics. The way these joints function demonstrates the intricate design of the human body, allowing for both stability and mobility. When we consider the complexity of movements we perform daily, it becomes evident how critical ball-and-socket joints are to our overall functionality.Moreover, understanding ball-and-socket joints extends beyond just anatomy; it has implications in fields such as sports science and rehabilitation. Athletes often rely heavily on the strength and flexibility of their ball-and-socket joints to perform at their best. Training regimens frequently focus on enhancing the stability and power of these joints to prevent injuries and improve performance.In conclusion, the ball-and-socket joint is a remarkable feature of the human skeletal system that enables a vast array of movements. Its design allows for flexibility and rotation, making it essential for our daily activities and athletic endeavors. Understanding the function and importance of ball-and-socket joints not only highlights the intricacies of human anatomy but also emphasizes the need for proper care and training to maintain joint health. As we continue to explore the capabilities of our bodies, the ball-and-socket joint serves as a prime example of nature's engineering prowess, allowing us to move, dance, and live life to the fullest.

人体是一个令人惊叹的机器,由各种部件组成,这些部件共同工作以实现运动和功能。我们骨骼系统中最迷人的组成部分之一是被称为球窝关节的关节结构。这种类型的关节在使我们身体能够进行广泛运动方面发挥着至关重要的作用,促进诸如行走、跳舞和运动等活动。球窝关节由一根骨头的圆形头部与另一根骨头的杯状窝相结合而成。这种独特的设计允许在多个方向上进行旋转运动。人体中最著名的球窝关节例子是肩关节和髋关节。在肩部,肱骨(上臂骨)与肩胛骨(肩膀骨)连接,而在髋部,股骨(大腿骨)则嵌入骨盆的髋关节窝。球窝关节的多功能性令人惊叹。它们使我们能够将手臂抬到头顶上,绕圈摆动,甚至伸手到背后。同样,髋关节也允许我们进行下蹲、踢腿和旋转腿部等运动。这种广泛的运动范围对于执行日常任务和参与各种体育活动至关重要。然而,灵活性带来了受伤的潜在风险。由于球窝关节允许如此广泛的运动范围,它们可能更容易发生脱位和其他伤害。例如,摔倒或突然扭动可能导致肩关节脱位,这既痛苦又令人虚弱。因此,保持围绕这些关节的肌肉的力量和灵活性对于预防伤害至关重要。除了其解剖学意义外,球窝关节还展示了生物力学的美。关节的功能方式展示了人体的复杂设计,使稳定性和灵活性得以共存。当我们考虑每天所做动作的复杂性时,就会明显意识到球窝关节对我们整体功能的重要性。此外,理解球窝关节不仅限于解剖学,还涉及运动科学和康复等领域。运动员通常在其最佳表现中高度依赖于球窝关节的力量和灵活性。训练方案通常专注于增强这些关节的稳定性和力量,以防止受伤并提高表现。总之,球窝关节是人体骨骼系统的一个显著特征,使广泛的运动成为可能。其设计允许灵活性和旋转,使其对我们的日常活动和运动努力至关重要。理解球窝关节的功能和重要性不仅突显了人类解剖学的复杂性,也强调了适当护理和训练以维护关节健康的必要性。随着我们继续探索身体的能力,球窝关节作为自然工程才能的典范,允许我们移动、舞蹈并充分享受生活。