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In the case of fingers and toes, it is bringing the digits together, towards the centerline of the hand or foot. Dropping the arms to the sides, and bringing the knees together, are examples of adduction. [15] Adduction of the wrist is also known as ulnar deviation which moves the hand towards the ulnar styloid (or, towards the little finger).
Abduction is an anatomical term of motion referring to a movement which draws a limb out to the side, away from the median sagittal plane of the body. It is thus opposed to adduction . Upper limb
“For example, sticking your leg out is an abduction muscular movement (pulling away), while the act of drawing that same leg back toward the body would be an adduction movement.”
Adduction and abduction refer to two distinct ways your body moves. Here's how to know the difference, and how to use both for an effective training plan.
eyeball. Superior rectus muscle. Inferior rectus muscle. Medial rectus muscle. jaw (muscles of mastication, the closing of the jaw is adduction): masseter. pterygoid muscles (lateral and medial) temporalis. vocal folds.
The muscles of the thumb are nine skeletal muscles located in the hand and forearm. The muscles allow for flexion, extension, adduction, abduction and opposition of the thumb. The muscles acting on the thumb can be divided into two groups: The extrinsic hand muscles, with their muscle bellies located in the forearm, and the intrinsic hand ...
Iliac crest, lumbar fascia, spines of lower six thoracic vertebrae, lower 3–4 ribs, inferior angle of scapula. Floor of bicipital groove of humerus. Teres major. Lateral border of scapula. Medial lip of bicipital groove of humerus. Abduction. (160°–180°) Middle fibers of deltoid. Acromion process of scapula.
A Mastermind player uses abduction to infer the secret colors (top) from summaries (bottom left) of discrepancies in their guesses (bottom right).. Abductive reasoning (also called abduction, [1] abductive inference, [1] or retroduction [2]) is a form of logical inference that seeks the simplest and most likely conclusion from a set of observations.