Shoulder muscle diagram
What are the different muscles in the shoulder?
On the anterior side of the shoulder, the coracobrachialis, serratus anterior, pectoralis major, and pectoralis minor muscles work as a group to flex and adduct the scapula and humerus anteriorly toward the sternum. The latissimus dorsi and teres major on the posterior side extend and adduct the arm towards the vertebrae of the back.
What are some common conditions associated with the shoulder muscles?
Twisting, pulling, or falling are common ways muscles in the shoulders become painful. Repetitive use injuries primarily affect the deep muscles; however, pain and soreness as a result of pulled muscles from heavy lifting or overexertion usually subsides in a few days.
What is the function of the shoulder muscles?
The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury.
What muscles work together to flex and adduct the scapula and humerus anteriorly?
On the anterior side of the shoulder, the coracobrachialis, serratus anterior, pectoralis major, and pectoralis minor muscles work as a group to flex and adduct the scapula and humerus anteriorly toward the sternum. The latissimus dorsi and teres major on the posterior side extend and adduct the arm towards the vertebrae of the back.
[PDF File]Applied anatomy of the shoulder girdle
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The shoulder girdle forms the connection between the spine, the thorax and the upper limb. It contains three primary artic- ulations, all directly related to the scapula: the acromioclavicu- lar joint, the sternoclavicular joint and the scapulothoracic gliding surface (see Putz, Fig. 289).
[PDF File]Clinical Anatomy of the Upper Limb
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humerus or due to an inferior dislocation of shoulder joint. •Effects: •Loss or weakness of abduction of shoulder (between 15 degrees to 90 degrees) due to paralysis of Deltoid. •Rounded contour/profile of shoulder is lost due to paralysis of deltoid •Sensory loss over lower half of the outer aspect of shoulder ‘regimental badge area’.
[PDF File]SHOULDER RANGE OF MOTION EXERCISES - Johns Hopkins Medicine
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SHOULDER RANGE OF MOTION EXERCISES Johns Hopkins Division of Shoulder Surgery Department of Orthopaedic Surgery Created 9/26/2017 Edward G. McFarland, MD Jorge L. Rojas, MD Marcy Beard, PA Introduction: These exercises are recommended by us for you to perform on your own to regain your shoulder range of motion.
[PDF File]Functional Anatomy for Sport and Exercise: Quick Reference
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Functional Anatomy for Sport and Exerciseis a quick reference guide to human musculoskeletal anatomy in its moving, active context. An accessible format makes it easy for students to locate clear, concise explanations and descriptions of anatomical structures, human movement terms and key concept as they are needed.
[PDF File]shoulder basics - Kaiser Permanente
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ANATOMY The shoulder is a ball and socket joint. The ball is the top of your upper arm bone or humerus. The socket is very shallow and is commonly referred to as the glenoid. There is also a bony shelf or fender called the acromion. By repetitive pinching of the rotator cuff, it is the major contributing factor to your shoulder problem.
[PDF File]A Patient's Guide to Shoulder Anatomy - Physical Therapy CT
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Important Structures The important structures of the shoulder can be divided into several categories. These include bones and joints ligaments and tendons muscles nerves blood vessels bursae Bones and Joints The bones of the shoulder are the humerus (the upper arm bone), the scapula (the shoulder blade), and the clavicle (the collar bone).
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