NETA Personal Trainer Practice Exam

Define horizontal adduction.

1. Movement toward the midline in a vertical plane

2. Movement toward the midline in a transverse plane

3. Movement away from the midline in an upward direction

4. Movement away from the midline in a transverse plane

The correct answer is: Movement toward the midline in a transverse plane

Horizontal adduction refers to the movement of a limb towards the midline of the body occurring in a transverse plane. This type of movement typically involves the shoulder or hip joints, where, for instance, bringing the arms together in front of the body while keeping them parallel to the ground demonstrates horizontal adduction. In a transverse plane, the body can be divided into upper and lower halves, which allows for rotational movements and movements along horizontal lines. By bringing a limb towards the center of the body in this plane, horizontal adduction plays a significant role in various activities and exercises, such as certain strength training exercises or sports movements that require bringing the arms across the chest. The other choices describe movements in different planes or directions and do not accurately capture the essence of horizontal adduction as it specifically pertains to the movement toward the midline in a transverse plane.