circumduction
moving in a circle at a joint, or moving one end of a body part in a circle while the other end remains stationary
Circumduction is a type of joint movement that involves rotation of a body segment in a circular or cone-like manner. This type of movement is usually seen in ball-and-socket joints, such as the shoulder and hip joints. During circumduction, the joint moves in a circular manner, with the end of the limb tracing a circular path in space.
The movement of circumduction encompasses a combination of different movements, including flexion, extension, abduction, and adduction. For example, during shoulder circumduction, the arm moves in a circular manner, starting with the arm at the side of the body, then lifting it out to the side (abduction), raising it forward (flexion), moving it across the body (adduction), and finally lowering it back to the starting position (extension). This type of movement is useful for a variety of everyday tasks, such as reaching for an object on a high shelf or throwing a ball.
It is important to note that not all joints are capable of circumduction, as it requires a high degree of mobility and flexibility in the joint. Additionally, circumduction can be limited by orthopedic conditions or joint injuries.
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