This time, we shift our focus to such a complex movement as arm abduction.🦾 Abduction of the arm happens in the frontal plane and can be described as the arm's movement away from the body's midline. So, abduction at the shoulder joint causes the free upper limb to move away from the body. It begins with the upper limb positioned parallel to the body and the hand being in an inferior position, continues with the movement of the upper limb to a position perpendicular to the body and ends with the