what action  do the rotator cuff muscles allows us to do
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Rotator cuff From Wikipedia, the free encyclopedia. In anatomy, the rotator cuff (sometimes incorrectly called a rotator cup, rotor cuff, or rotary cup) is a group of muscles and their tendons that act to stabilize the shoulder. The four muscles of the rotator cuff are over half of the seven scapulohumeral muscles.
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Movement and Muscles at the Shoulder flexion and extension Which is easy enough to picture at the elbow, flexion is when you move your forearm toward your upper arm and extension is when you move your forearm away from your upper arm. There has to be another definition for when the two bones are already perpendicular if that's the right word, though.f muscles in the back contract, they pull your arm back. What exercises make these muscles work? Pushups, pullups, rope climbing and throwing flex and extend the upper arms to work your anterior deltoid, coracobrachialis and pectoralis major, and your posterior deltoid, teres major and latissiumus dorsi.
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- All rights reserved. The rotator cuff is a group of tendons and muscles in the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula).The rotator cuff tendons provide stability to the shoulder; the muscles allow the shoulder to rotate.The muscles in the rotator cuff include:1  Teres minor. 2  Infraspinatus. 3  Supraspinatus.ll rights reserved. The rotator cuff is a group of tendons and muscles in the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula).
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- The rotator cuff is a group of four tendons and muscles that converge around the shoulder joint at the top of the humerus, the upper arm bone above the elbow. Together, they form a ''cuff'' that both holds your arm in place and allows it to move in different directions.ost rotator cuff tears develop gradually. But they also can happen suddenly -- you might feel a pop, intense pain, and weakness in the arm. To diagnose a rotator cuff tear, your doctor will give you a thorough physical exam.
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Muscles of posterior shoulder What do the infraspinatus, teres minor, and subscapularis do together in the rotator cuff? They work together to hold the humeral head against the glenoid. They exert a downward glide on the head of the humerus which is necessary for abduction of the arm. Otherwise, the humeral head will compress the structures superior to it into the acromion process. What do infraspinatus and teres minor do to the rotator cuff? Laterally rotate the arm. This allows for greater tubercle of the humerus to clear the acromion process.
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Rotator Cuff Injuries The rotator cuff is a term used to describe the tendons and muscles that support, stabilize and allow the arm to move up and down, as well as rotate. The four muscles include the supraspinatus, infraspinatus, subscapularis, and teres minor. Injury to muscles or tendons that attach to bones comprise contractile units.
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Anatomy Your arm is kept in your shoulder socket by your rotator cuff. The rotator cuff is a network of four muscles that come together as tendons to form a covering around the head of the humerus. The rotator cuff attaches the humerus to the shoulder blade and helps to lift and rotate your arm.here is a lubricating sac called a bursa between the rotator cuff and the bone on top of your shoulder (acromion). The bursa allows the rotator cuff tendons to glide freely when you move your arm. When the rotator cuff tendons are injured or damaged, this bursa can also become inflamed and painful.
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Pectoralis major muscle The pectoralis major has four actions which are primarily responsible for movement of the shoulder joint. The first action is flexion of the humerus, as in throwing a ball side-arm, and in lifting a child.
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Rotator Cuff Exercises Mobility exercises. Rotator cuff exercises to improve shoulder mobility should begin as soon as pain allows. The aim is to restore full, pain free mobility to the shoulder joint. In some patients mobility could already be good depending on how bad their injury is and therefore less time should be spent on these exercises before moving on.
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Physical Therapist's Guide to  Rotator Cuff Tear The rotator cuff is a group of 4 muscles that are responsible for keeping the shoulder joint stable. Unfortunately, injuries to the rotator cuff are very common, either from injury or with repeated overuse of the shoulder. Injuries to the rotator cuff can vary as a person ages.
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Rotator Cuff Tear Arthropathy The rotator cuff is made up of four muscles that surround the humeral head (ball). These muscles are attached to the bone by tendons that blend together to form a cuff that surrounds the ball. When the rotator cuff muscles contract, their combined action centers the ball in deepest portion of the shoulder socket.
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How the Normal Shoulder Works The rotator cuff tendons (supraspinatus, infraspinatus, teres minor and subscapularis) are just outside the shoulder joint and its capsule. The muscles of the rotator cuff help stabilize the shoulder and enable you to lift your arm, reach overhead, and take part in activities such as throwing, swimming and tennis.
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- The Rotator Cuff consists of a group of 4 important muscles of the shoulder and arm. Learn all about this functional muscular unit here. Shoulder (Glenohumeral) Joint. The shoulder joint is a high claimed and important mobile joint of the human body.
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What Muscles Contract During an Abduction of the Shoulder? Many muscles and bony structures work together to produce movement of the arm from the shoulder joint. During abduction, movement is initially generated by the rotator cuff, then carried out by the deltoid muscle.otator Cuff Muscles. The rotator cuff is a set of four muscles that serve to stabilize and rotate the shoulder, attached by strong tendons to the upper head of the humerus. During abduction, the supraspinatous and infraspinaoous muscles abduct and rotate the head of the humerus.
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- The rotator cuff is a group of tendons and muscles in the shoulder, connecting the upper arm (humerus) to the shoulder blade (scapula). The rotator cuff tendons provide stability to the shoulder; the muscles allow the shoulder to rotate.The muscles in the rotator cuff include: Rotator cuff impingement: The tendons of the rotator cuff are squeezed between the humerus and a nearby bone called the acromion. 2  Symptoms and treatment of impingement are similar to tendinitis. 3  Frozen shoulder (adhesive capsulitis): The humerus adheres to the shoulder blade, causing shoulder pain and stiffness.
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- Rotator cuff surgery is the surgical repair of a damaged rotator cuff tendon. The rotator cuff tendons are tough piece of connective tissue that control the motion of your shoulder joint. Your shoulder joint is formed where your upper arm bone (humerus), shoulder blade (scapula), and collarbone (clavicle) meet. Tendons attach a group of four muscles to these bones to form your rotator cuff.
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Rotator cuff problems The rotator cuff is a group of muscles and tendons that attach to the bones of the shoulder joint, allowing the shoulder to move and keeping it stable. The tendons of the rotator cuff pass underneath a bony area on their way to attaching to the top of the arm bone.
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Anatomy Your arm is kept in your shoulder socket by your rotator cuff. The rotator cuff is a network of four muscles that come together as tendons to form a covering around the head of the humerus. The rotator cuff attaches the humerus to the shoulder blade and helps to lift and rotate your arm. There is a lubricating sac called a bursa between the rotator cuff and the bone on top of your shoulder (acromion). The bursa allows the rotator cuff tendons to glide freely when you move your arm.
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ASK THE DOCTOR: Do I need an op to fix my Popeye muscle? The rotator cuff is a group of four muscles of the upper arm. They allow you to raise and rotate the arm. The muscles are attached to the bones by tendons. The tendons of the rotator cuff allow the muscles to move the arm.
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Anatomy Your arm is kept in your shoulder socket by your rotator cuff. The rotator cuff is a group of four muscles that come together as tendons to form a covering around the head of the humerus. The rotator cuff attaches the humerus to the shoulder blade and helps to lift and rotate your arm.
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ARTÂ® News The rotator cuff is a group of muscles and tendons that hold the shoulder joint in place and allow you to move your arm and shoulder. Problems occur when part of the rotator cuff becomes irritated or damaged. This can result in pain, weakness and reduced range of motion.
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The Root of All Shoulder Evil What is the Rotator Cuff? So what is rotator cuff syndrome? To get a proper picture of this condition, it's important to understand the anatomy and function of the rotator cuff. The rotator cuff is a group of four muscles that sit around the shoulder joint in a cuff-like pattern. The names of the muscles are not important (if you care, study the picture below), but the function of the complex is.
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- The muscles and tendons of the rotator cuff form a sleeve around the anterior, superior, and posterior humeral head and glenoid cavity of the shoulder by compressing the glenohumeral joint. In addition to stabilization, the rotator cuff provides the shoulder with tremendous mobility. Shoulder anatomy, lateral view.