What is abduction of the scapula?

Protraction of the scapula is sometimes called abduction of the scapula. The scapula is moved laterally and anteriorly along the chest wall. Muscles: serratus anterior is the prime mover.

What muscles abduct the scapula?

The trapezius and serratus anterior muscles work in tandem to coordinate rotation and movement of the scapula to accommodate the full range of motion of the arm. Specifically, they facilitate abduction of the arm from 90 degrees and further upwards.

What does abduction of the shoulder mean?

Shoulder abduction

Abduction occurs when you have arm movement away from the middle of your body. When you raise your arm out from the sides of your body, it's an abduction of your shoulder. A normal range for abduction, starting with your palms at your sides, is around 150 degrees in a healthy shoulder.

How does the scapula move during abduction?

The scapula on the thorax contributes to elevation (flexion and abduction) of the humerus by upwardly rotating the glenoid fossa 50° to 60° from its resting position.

What are the movements of the scapula?

The scapula is an important bone in the function of the shoulder joint. It engages in 6 types of motion, which allow for full-functional upper extremity movement including protraction, retraction, elevation, depression, upward rotation, and downward rotation.

Scapulohumeral Rhythm Shoulder Abduction with Muscular Analysis

What muscles retract 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.

What movement is abduction?

Abduction – movement away from the midline of the body. This occurs at the hip and shoulder joints during a jumping jack movement.

What do you mean by abduction?

1 : to seize and take away (a person) by force The girl was abducted by kidnappers. 2 : to draw or spread away (a part of the body, such as a limb or the fingers) from a position near or parallel to the median axis of the body or from the axis of a limb a muscle that abducts the arm.

What is shoulder abduction and adduction?

Shoulder abduction involves lifting the arms out to the side (as with a lateral dumbbell raise), while shoulder adduction means lowering the arms back to the side (as with a banded lateral pull-down exercise).

Where does abduction and adduction occur?

Abduction and adduction motions occur within the coronal plane and involve medial-lateral motions of the limbs, fingers, toes, or thumb. Abduction moves the limb laterally away from the midline of the body, while adduction is the opposing movement that brings the limb toward the body or across the midline.

What muscles do shoulder adduction?

Adduction is accomplished primarily by the pectoralis major, latissimus dorsi, teres major, triceps, and coracobrachialis. The deltoid and the supraspinatus, a muscle that runs along the scapula in the back, are the two main abductors of the shoulder.

What is shoulder horizontal abduction?

Reach forward to place your hands directly in front of you at shoulder height. Keep your palms down. Reach out to the sides of your body with both hands at the same time. Hold for a count of three to five seconds and repeat 10 times. Increase by three repetitions each week until you can easily do 20 repetitions.

What is adduction movement?

Adduction: Movement of a limb toward the midline of the body. The opposite of adduction is abduction.

What nerve controls shoulder abduction?

The suprascapular nerve supplies two posterior shoulder girdle muscles. These are the infraspinatus muscle, which is the primary external rotator of the arm at the shoulder, and the supraspinatus muscle, responsible for the initial phase of shoulder abduction.

What nerve does shoulder abduction?

The axillary nerve is the most commonly injured nerve in shoulder surgery. It is in most danger where it passes on the inferior aspect of the shoulder joint capsule. Abduction and internal rotation appose the nerve to the inferior capsule.

What is an example of abduction?

Raising your arms to the side, rotating your wrist so your palm is forward, kicking your leg to the side, moving your knees apart, and spreading your fingers and toes are all examples of abduction.

What does abduction mean in orthopedics?

Abduction. The act of drawing away from the midline; opposite of adduction. Abductor. A muscle performing the function of abduction. Acetabulum.

What is opposite of abduction?

Opposite of to abduct or carry away (someone) unlawfully or forcefully. give. release. give up. let go.

What is the function of abduction?

Abduction of an arm means to lift it out to the side from the shoulder. The main muscles responsible for this movement are located on the shoulder: the deltoids and the supraspinatus—one of the four rotator cuff muscles in the shoulder.

What is flexion and abduction?

abduction: The movement that separates a limb or other part from the axis, or middle line, of the body. flexion: The act of bending a joint.

What does adduction look like?

So, if a person has their arms straight out at the shoulders and brings them down to their sides, it is adduction. For fingers or toes, adduction brings the digits toward the center of the hand or foot. For example, if a person has their fingers spread wide apart, bringing them together would be adduction.

Why is scapula retraction important?

Why is it so important? It's a movement that focuses on improving the integrity and strength of your shoulder blades. Apart from everything else, it helps improve your posture, making it a crucial movement for everyone to get right.

What are the 7 movements of the shoulder?

This mobility provides the upper extremity with tremendous range of motion such as adduction, abduction, flexion, extension, internal rotation, external rotation, and 360° circumduction in the sagittal plane. Furthermore, the shoulder allows for scapular protraction, retraction, elevation, and depression.