Shoulder flexion is movement of the shoulder in a forward motion. Patient actively extends the shoulder through available range For grades 4 to 5 apply resistance over posterior surface of distal humerus in a direction opposite to extension [1] To satisfy grade 5 'normal muscle' performance criteria, the patient must have the ability to move through complete range of motion (active resistance testing) OR maintain an … The shoulder flexion muscles include the deltoid, pectoralis major, and coracobrachialis. Extension of the shoulder occurs at the glenohumeral joint, also referred to as the shoulder joint, incorporating coordinated action from various muscles connecting the shoulder girdle in order to execute smooth and fluid range of Structure. Shoulder Abduction Muscles: The first 0-15 degrees of the shoulder abduction is produced by the supraspinatus. The Shoulder girdle muscles move the clavicle (collar bone) and the scapula (shoulder blade). An extension is when you move your arms and stick them out behind you. Taking some time out to strengthen and lengthen the muscles that aid shoulder flexion can keep you on the court or green or in the pool so you don't miss any of the action. But, when someone has shoulder pain or injury, how much shoulder extension they have is usually overlooked because the majority of movements that affects the shoulder involve overhead actions. Shoulder muscles consist of muscles of the shoulder joint, as well as shoulder girdle muscles. For a shoulder extension, your body uses the latissimus dorsi, teres major and minor and posterior deltoid muscles. The muscles involved in the flexion movement include the anterior deltoid, pectoralis major and coracobrachialis. These muscles form the outer shape of the shoulder and underarm. Shoulder Abduction: The straight arm is raised at the side, with the palm down, as high as possible. The articulations between the bones of the shoulder make up the shoulder joints.

This flexibility is also what makes the shoulder prone to instability and injury.

The shoulder consists of a ball-and-socket joint formed by the humerus and scapula and their surrounding structures - ligaments, muscles, tendons - which support the bones and maintain the relationship of one to another. Explore and learn about the muscles which extend the shoulder with our 3D interactive anatomy atlas

The shoulder joint itself is a ball-and-socket joint, which allows movement in all directions.t, which allows movement in all directions. Here are some exercises and stretches for this The muscles of the shoulder girdle are serratus anterior, pectoralis minor, levator scapulae, rhomboids, and trapezius. The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. Shoulder Extension Muscles: Posterior fibers of the deltoid, latissimus dorsi, and teres major.

Our shoulders are built for movement. The shoulder’s main motions are flexion, extension, abduction, adduction, internal rotation, and external rotation. The shoulder girdle muscles make the scapula (shoulder blade) move. These supporting structures attach to the clavicle, humerus, and scapula, the latter providing the glenoid cavity, acromion and coracoid processes. The shoulder has about eight muscles that attach to the scapula, humerus, and clavicle. Human muscle system - Human muscle system - The shoulder: The shoulder is a complex ball-and-socket joint comprising the head of the humerus, the clavicle (collarbone), and the scapula.

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