What is retraction motion?

What is retraction motion?

Retraction is movement of a body part in the posterior direction, i.e. being drawn backwards. The movement of retraction is the opposite of the movement of protraction.

What is an example of retraction movement?

Retraction is the opposite motion, with the scapula being pulled posteriorly and medially, toward the vertebral column. For the mandible, protraction occurs when the lower jaw is pushed forward, to stick out the chin, while retraction pulls the lower jaw backward.

What is a retracting muscle?

A retraction is a medical term for when the area between the ribs and in the neck sinks in when a person with asthma attempts to inhale. These muscles cause retractions, which can be seen as the person tries to inhale.

What is retraction of the scapula?

Retraction of the scapula is sometimes called adduction of the scapula. The scapula is moved posteriorly and medially along the chest wall. Muscles: rhomboideus major, minor, and trapezius are the prime movers. The muscles that protract and retract the scapula are antagonistic, that is, they have opposed actions.

What means retraction?

1 : an act of recanting specifically : a statement made by one retracting. 2 : an act of retracting : the state of being retracted. 3 : the ability to retract.

What is an example of protraction?

Protraction of the scapula occurs when the shoulder is moved forward, as when pushing against something or throwing a ball. For the mandible, protraction occurs when the lower jaw is pushed forward, to stick out the chin, while retraction pulls the lower jaw backward.

What does protraction and retraction mean?

Retraction/Protraction/Depression/Elevation. Scapular retraction refers to moving the shoulder blades (scapula) towards the spine. The opposite is protraction – moving the shoulder blades away from the spine. The opposite is elevation, which is bringing the shoulder blades closer to the ears.

How do you understand the word retraction?

The Oxford English Dictionary (2018) defines retraction as “the action or fact of revoking or rescinding a decision, decree, etc.” A more thorough definition is, “the action of withdrawing a statement, accusation, etc., which is now admitted to be erroneous or unjustified…

What is the purpose of scapular retraction?

Purpose. The scapular retraction test stabilizes the scapula in a retracted and grades the strength of the supraspinatus muscle.

What three muscles are responsible for retraction of the scapula?

Retraction is accomplished by the actions of the trapezius, rhomboids, and latissimus dorsi muscles. The elevation is accomplished by the trapezius, levator scapulae, and rhomboid muscles.

Why do movements like retraction and protraction matter?

Why Movements like Retraction & Protraction Matter. Deadlifts and Squats require stable retraction and depression. Back exercises such as rows, pull downs, or chin-ups require controlled movement through all positions, depending on the exercise. (*Protraction and elevation may or may not apply depending on the individual).

What kind of movements require depression and retraction?

Many lifts require you to be aware of the position of your shoulder blades. Deadlifts and Squats require stable retraction and depression. Back exercises such as rows, pull downs, or chin-ups require controlled movement through all positions, depending on the exercise.

Are there any back exercises that require retraction and elevation?

Back exercises such as rows, pull downs, or chin-ups require controlled movement through all positions, depending on the exercise. (*Protraction and elevation may or may not apply depending on the individual). Even chest and shoulder exercises are influenced by the positioning and movement of the scapula. Many of us are unaware of these movements.

What’s the difference between retraction, protraction and elevation?

Retraction/Protraction/Depression/Elevation. Scapular retraction refers to moving the shoulder blades (scapula) towards the spine.