Difference Wiki

Abduction vs. Adduction

The main difference between abduction and adduction is that abduction is the effort of a part of the body away from the dominant part of the body or another body part whereas adduction is the effort of a limb or other body part, typically on a transverse plane, to the axis or midline of the body.

Key Differences

Abductor's muscles contain relatively short fibers, while adductor muscles contain relatively long fibers.
Abduction is the drive of a limb away from the middle of the body, while adduction is the drive of a limb to the center of the body.
Examples of abduction contain the deltoid and supraspinatus muscles oppositely examples of adductions include the latissimus dorsi and pectoralis major.
Toes are moving apart by abduction on the flip side toes are move together by adductors.
Janet White
Sep 01, 2023
Abduction is causing by the contraction of abductor's muscles, whereas adduction is causing by the contraction of adduction muscles.
Thighs are spread by abduction conversely move together by adduction.
Harlon Moss
Sep 01, 2023
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Comparison Chart

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A drive away from the center of the body
A tendency towards the center line of the body

Causes

Abductor's muscles
Adductor muscles

Anatomical structure

Short fiber
Long fiber

Arm muscles

Supraspinatus, Deltoid
Pectoralis major, latissimus dorsi
Aimie Carlson
Sep 01, 2023

Hand muscles

Fingers range apart. Pollicis longus, dorsal interossei
Fingers move together. Pollicis, palmar interossei

Leg muscles

Gluteus minimus, and gluteus medius. Thighs are extent
Adductor magnus, adductor longus, and adductor brevis. Thighs are moving together
Harlon Moss
Sep 01, 2023
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Foot muscles

Toes are extent apart. Abductor hallucis, and dorsal interossei
Toes are move together. Adductor hallucis, and plantar interossei
Harlon Moss
Sep 01, 2023

Abduction and Adduction Definitions

Abduction

To carry off by force; kidnap.

Adduction

To draw inward toward the median axis of the body or toward an adjacent part or limb.

Abduction

(Physiology) To draw away from the midline of the body or from an adjacent part or limb.

Adduction

A chemical compound that forms from the addition of two or more substances.

Abduction

Leading away; a carrying away.
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Adduction

The act of adducing or bringing forward.

Abduction

(anatomy) The act of abducing or abducting; a drawing apart; the movement which separates a limb or other part from the axis, or middle line, of the body.

Adduction

(anatomy) The action by which the parts of the body are drawn towards its axis; -- opposed to abduction.

Abduction

(logic) A syllogism or form of argument in which the major premise is evident, but the minor is only probable.

Adduction

The act of adducing or bringing forward.
An adduction of facts gathered from various quarters.

Abduction

(legal) The wrongful, and usually forcible, carrying off of a human being.
The abduction of a child

Adduction

The action by which the parts of the body are drawn towards its axis]; - opposed to abduction.

Abduction

The act of abducing or abducting; a drawing apart; a carrying away.

Adduction

(physiology) moving of a body part toward the central axis of the body

Abduction

The movement which separates a limb or other part from the axis, or middle line, of the body.

Abduction

The wrongful, and usually the forcible, carrying off of a human being; as, the abduction of a child, the abduction of an heiress.

Abduction

A syllogism or form of argument in which the major is evident, but the minor is only probable.

Abduction

The criminal act of capturing and carrying away by force a family member; if a man's wife is abducted it is a crime against the family relationship and against the wife

Abduction

(physiology) moving of a body part away from the central axis of the body

What is Abduction?

An abduction is an act of the structure, limbs or other body parts that pull away from the midline of the body by the contraction of abductor’s muscles. The physiological function of a muscle is relating to fiber length and cross-sectional area.

Abductors usually contain a shorter muscle fiber length. Any muscle that generates this type of motion is term as the abductor. Wavering the hands from the side of the body up to the shoulder or higher is an abduction.

Abductor pollicis brevis and abductor pollicis longus are two muscles acting on the thumb, causing the abduction of the thumb. The abductor pollicis longus is a long muscle that attaches to the bones of the forearm and thumb.

Abduction of the wrist, the hand moving away from the body when the arm is at the adjacent side is known as radial deviation. The deltoid muscle covers the shoulder region. The supraspinatus attaches to the shoulder blade (scapula) and the upper arm bone (humerus).

Abduction muscles permit you to move your legs sideways, and also function in stabilizing the hip joint. Any weakness of abductor muscles that present in the hip region can cause an abnormal gait.

Abduction extents the digits away from the hand or foot centerline of hand or foot for fingers and toes, Abductor effort of the big toe is carrying out by the abductor hallucis, and movement of the little toe is carrying out by the digit minimi pedis. The dorsal interossei carry about some abduction of the toes.

What is Adduction?

Adduction is an effort of a body part toward the body’s midline by the contraction of adductor muscles. So, if a person moves their arms straight out at the shoulders and brings them down to their sides, it is adduction. Adductor muscles generally contain a longer average muscle fiber length. Longer fibers with cross-sectional area produce greater force, even within a type of muscle. The adductor magnus is longer and contains a greater cross-sectional area to provide more significant strength. Any muscle that makes this type of motion is known as an adductor. Adduction takes the digits toward the center of the hand or foot. A muscle that acts on the thumb is the adductor pollicis. The palmar interossei muscles present between the long bones that carry adduction of the fingers. Closing arms to the chest or taking knees together are examples of adduction. Adduction of the wrist, moving a hand toward the body is at the person’s side, is also known as ulnar deviation. The latissimus dorsi is a vertebral muscle that benefits in adduction of the arm. The pectoralis major is a chest muscle that involves in adduction of the arms. The adductor magnus, adductor longus, and adductor brevis are present on the human thigh. Adductor movement of the big toe is carrying out by the adductor hallucis. The plantar interossei are also crucial in the adduction and spreading of the toes.

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