What movement describes taking a limb and rotating it inward?

The correct answer, internal rotation, refers to the movement of a limb or a part of the body that brings it closer to the centerline of the body or, in the case of a limb, into a position that turns it inward. This motion is fundamental in many physical activities and impacts various exercises in physical therapy, rehabilitation, and sports performance.

Understanding internal rotation is essential for physical therapy technicians as it plays a critical role in assessing joint function and designing rehabilitation programs. This movement can impact muscle balance and joint stability, particularly in areas like the shoulder and hip joints. Recognizing it in the context of injuries or conditions is vital for effective treatment plans.

The other movements listed, such as external rotation, extension, and flexion, do not describe inward rotation. External rotation involves turning a limb away from the centerline, while extension and flexion refer to movements that change the angle between body parts, such as straightening or bending a joint. Thus, recognizing the definition of internal rotation is crucial for professionals in the field who work with patient movement and recovery.