Movement of a body part away from the midline is called as?

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2018

Explanation

Abduction is the specific anatomical term for moving a limb or other body part away from the midline or central axis of the body.
A helpful way to remember this is that the prefix 'ab-' means 'away from', as in the word 'abnormal' (away from normal).
An everyday example of abduction is raising your arm out to your side or spreading your fingers apart.

Option B: Adduction is the direct opposite of abduction. It describes the movement of a body part toward the body's midline.
Option C: Flexion refers to a bending movement that decreases the angle between two body parts at a joint.
Option D: Extension is the opposite of flexion. It is a straightening movement that increases the angle between body parts at a joint.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomical Terms of Motion as background academic context rather than a clinical decision trigger.
Accurate use of these terms is crucial for clear and unambiguous charting and communication with physical therapists and other healthcare providers about a patient's mobility and limitations.
Nurses perform passive Range of Motion (ROM) exercises, which include abduction and adduction, for bedridden patients to prevent joint contractures, improve circulation, and maintain muscle function.
After total hip replacement surgery, a key nursing intervention is to maintain the hip in abduction using an abduction pillow to prevent adduction, which could cause the new hip joint to dislocate.

How to Approach the Question

First, identify the key directional phrase in the question: 'movement of a body part away from the midline'.
This is a factual recall question testing your knowledge of fundamental anatomical terminology.
Analyze the prefixes of the options. The prefix 'ab-' means 'away from', while 'ad-' means 'toward'.
This prefix clue directly links 'abduction' with the movement 'away from' the midline, making it the most likely correct answer.
Differentiate this from flexion/extension, which relate to changing the angle of a joint (bending vs. straightening), not movement relative to the body's central line.

Concept Tested & Keywords

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E6 Nursing Fundamentals Taylor p. 307-309

E6 Physiology Ganong 27e Vol 2 Part 2 p. 111-113

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Attempt every question from this paper in a timed mock, then review the full solution for each one.