shoulder joint anatomy pdf

shoulder joint anatomy pdf

The shoulder joint (or glenohumeral joint from Greek glene, eyeball, + -oid, 'form of', + Latin humerus, shoulder) is structurally classified as a synovial ball and socket joint and functionally as a diarthrosis and multiaxial joint. It involves articulation between the glenoid cavity of the scapula (shoulder blade) and the head of the humerus (upper arm bone). Shoulder and hip joints Ball and socket Ball and Socket joint. The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. It is not just a joint or muscle, but it is actually a group of various structures in joint region. Fibrous sheaths that connect bone to bone are called ligaments. Abduction : The straight arm is raised at the side, with the palm down, as high as possible. These are dis-cussed below. It may not be complete or timely. These are the clavicle and scapula. 27 The Lymphatic System . Anatomy of the Shoulder See online here The shoulder is the region of the body that connects the upper limb with the trunk. Commonly thought of as a single joint, the shoulder is actually made up of two separate joints - the glenohumeral and acromioclavicular joints. 26 Human Liver Anatomy Symptoms of Liver Damage . Understanding the structure and purpose of the bone allows nurses to understand common pathophysiology and consider the most-appropriate steps to improve musculoskeletal health. Picture of the Shoulder. There is a fift functional joint, the coracoacromial arch, which de- scribes the region where the head of the humerus is covered by the acromion and the coracoacromial lig-ament. 31 The Hip Joint The Lumbar Plexus . Scapula. The most flexible joint in the entire human body, our shoulder joint is formed by the union of the humerus, the scapula (or shoulder blade), and the clavicle (or collarbone). Fibers that connect bone to muscle are called tendons. Anatomy. This flexibility is also what makes the shoulder prone to instability and injury. In this article, we shall look at the anatomy of the shoulder joint and its important clinical correlations. Structures of the Shoulder Joint Articulating Surfaces. The glenohumeral (GH) joint makes up the ball and socket of the shoulder. Your shoulder is a ball-and-socket joint made up of three bones: the clavicle (collarbone), scapula (shoulder blade) and humerus (upper arm bone). The unique anatomy of the shoulder enables the greatest range of motion of any joint in the body. Multimedia Health Education Summary This movie is an educational resource only and should not be used to make a decision on shoulder conditions. The shoulder allows overhead activities like screwing in a lightbulb and provides the strength to do a handstand or throw a 95-mile per hour fastball. The humerus is a long bone that forms the articulations of the glenohumeral joint proximally (with the scapula), and the humeral ulnar joint and humeral radial joint distally (with the ulna and radius respectively). 2 A Patient's Guide to Shoulder Anatomy Compliments of: DISCLAIMER: The information in this booklet is compiled from a variety of sources. Two bones comprise the shoulder girdle. Many people with shoulder pain, weakness, and instability often need to focus on improvements in their scapular function to help improve their shoulder mechanics. 28 Muscle Anatomy Structure of skeletal muscle . Shoulder Joints. The shoulder is made up of two joints, the acromioclavicular joint and the glenohumeral joint. The scapula is a triangular-shaped bone that … The shoulder girdle (composed of the scapula and clavicle) and pelvic girdle are the two points in the body where the axial and the appendicular skeletons meet. Let’s talk about some of the things that make this joint different both in skeletal structure and musculature from other joints less likely to be injured. An image depicting shoulder anatomy can be seen below. The glenohumeral joint is where the ball (humeral head) and the socket (the glenoid) meet. Basic Shoulder Anatomy The shoulder complex is made up of three bones, which are connected by muscles, ... shoulder complex joints, the sternoclavicular, the acromioclavicular and the scapulothoracic joints. In this chapter only those muscles that are not discussed else-where are described. BONES AND BONE MARKINGS OF THE REGION The bones of the lower limb include the pelvic girdle, femur, patella, tibia, fibula, and bones of the foot. It is attached above to the circumference of the glenoid cavity beyond the glenoidal labrum, and below to the anatomical neck of the humerus, approaching nearer to the articular cartilage above than in the rest of its extent. KNOWLEDGE EVIDENCE: K9: Detailed joint anatomy for each major joint (shoulder, hip, sacroiliac, knee, ankle/foot, wrist, elbow, acromioclavicular, sternoclavicular, costal, spine, atlanto-occipital, temporomandibular) K9: Accessory/secondary coupled motions of joints K9: Capsular restrictions and patterns SHOULDER (GLENOHUMERAL) JOINT Shoulder Joint In the shoulder joint stability has … Shoulder Joint • Ball and Socket joint • Ligaments: • a) Coracohumeral ligament –connects the coracoid process of scapula to the greater tubercle of the humerus. Prev Next The shoulder is one of the largest and most complex joints in the body. Anterior aspect of the shoulder girdle. The Anatomy of the Shoulder. Applied anatomy of the shoulder, and . Under normal circumstances, we rarely stop to think about our shoulders. The lever is one of the sim-plest of all mechanical devices that can be called a ma-chine.The relationship of fulcrum to force to resistance distinguishes the different classes of levers. Sternocleidomastoid muscle Joint Anatomy and Basic Biomechanics OUTLINE 3 From: Harmony Medical. O n the other hand, the shoulder com plex is com posed of the scapulothoracic articulation and the glenohum eral joint to share the overallm otion and increase its range. reviews the anatomy and physiology of bone. Pelvic Girdle The pelvic girdle contains the hip bone and the sacrum. This gives rise to the alternate name for the shoulder joint – the glenohumeral joint. 33 Gas … The muscles at the anterior aspect of the shoulder girdle are . How skeletal structure lends to shoulder instability. The shoulder joint is formed by the articulation of the head of the humerus with the glenoid cavity (or fossa) of the scapula. The acromioclavicular joint is where the acromion, part of the shoulder blade (scapula) and the collar bone (clavicle) meet. The scapulothoracic joint is not a true joint but it describes movement of the scapula against the thoracic wall during arm movement. Shoulder Anatomy : Anatomy of The Shoulder Joint External Rotation : The elbows are held by the sides of the body, bent at 9 with palms facing each other. composed of a complex structure of bones, joints, and mus-cles, the foot is also our steady connection to the ground. SHOULDER COMPLEX ANATOMY Osseous Elements The shoulder complex includes the articulations of the humerus, the clavicle, the scapula, and the posterior surface of the ribs. The information in this presentation has been developed to help consumers understand the structure and function of anatomical components and take charge of Orthopedic health. C onse- quently, they are susceptibleto injury and de- generation. outlined in Table 1 and Figure 6. Several structures hold the bones together. By Matthew Hoffman, MD. Methods: It was reviewed a large number of recently published research studies related to the shoulder instability that received a higher Level of Evidence grade. Nursing Times [online]; 116: 2, 38-42. T he joints of the shoulder com plex have to rely on adjacent ligam ents and m uscles to provide stability. humeral (shoulder joint), sternoclavicular, acromio-clavicular, and scapulothoracic joints. All rights reserved. • b) Glenohumeral ligament –extend from the edge of glenoid cavity to lesser tubercle of humerus • c) Transverse humeral ligament –runs between the lesser and the greater tubercles. Applied anatomy of the thorax and abdomen. To review the anatomy of the shoulder joint and of the physiology of glenohumeral stability is essential to manage correctly shoulder instability. Knee Joint Anatomy Torn Anterior Cruciate Ligament . 30 Pancreas Anatomy The Pelvic Girdle . Shoulder Anatomy. Citation Walker J (2020) Skeletal system 1: the anatomy and physiology of bones. View Media Gallery. Osteology. applied by muscles at some point along the lever to move the body part (resistance). Functional Anatomy of the Shoulder Acomprehensive knowledge of the functional anatomy of the shoulder girdle and all of its component parts is mandatory in understanding arm-shoulder function.The basic function of the shoulder is to place the arm and especially the hand into a functional position that permits manipu-lative activities (Figure 4.1). respectively. Hinge Joints • HINGE JOINTS allow extensive flexion and extension (Bending and straightening) with only a small amount of rotation. All decisions about Arthroscopy must be made in conjunction with your surgeon or a licensed healthcare provider. Shoulder joint, anterior view. Then, keeping the elbows in contact with the body, the hands are spread outward as far as possible. 32 Human Lungs Anatomy The movements of the chest during breathing . 29 Anatomy of the Nose Etiology of Pressure Sores . •Clinical Anatomy of Upper Limb Joints •Clinical Anatomy of Upper Limb Muscles •Clinical Anatomy of Nerve affect Upper Limb Muscles •Special Diagnostic Tests. When we talk about the human shoulder joint, it refers to the area of the body where the humerus (the long bone in the arm of humans extending from shoulder to the elbow) is attached to scapula. Static stabilizers include the bony anatomy, negative intra-articular pressure, the glenoid labrum, and the glenohumeral ligaments along with the joint capsule. Shoulder Anatomy : Anatomy of The Shoulder Joint Multimedia Health Education Disclaimer This movie is an educational resource only and should not be used to make a decision on Shoulder Arthroscopy. Glenohumeral joint (Articulatio glenohumeralis) The glenohumeral, or shoulder, joint is a synovial joint that attaches the upper limb to the axial skeleton. Layers of cartilage are located on bone-to-bone surfaces to allow for smooth motion. The shoulder or pectoral girdle is composed of the bones that connect the upper extremity to the axial skeleton. The dynamic-stabilizing structures include the rotator cuff muscles and the other muscular structures surrounding the shoulder joint. Shoulder Anatomy Midwest Bone & Joint Institute 2350 Royal Boulevard Suite 200 Elgin, IL 60123 Phone: 847.931.5300 Fax: 847.931.9072 Midwest Bone & Joint Institute. Next: Gross Anatomy. Anatomy of The Shoulder Joint. The socket of the shoulder joint is part of the scapula, and if scapular movement is not normal, then shoulder function cannot be normal. • The joint is made by the joining of two bone ends which have smooth surfaces. The capsule of the glenohumeral (shoulder) joint is the articular capsule of the shoulder.It completely surrounds the joint. Human Anatomy. The shoulder is the most flexible joint in your body, and given the number of everyday activities it's involved in—from brushing your hair to reaching up into the cupboard—it's easy to see why shoulder pain is something you'd want to get to the bottom of right away. They are shaped to move against each other with minimum friction. 1 ©McGraw-Hill Higher Education. The shoulder is a synovial articulation between the glenoid and the humeral head in which the shallow glenoid articulation is deepened an additional 50% by the fibrocartilaginous labrum that forms a rim around the perimeter of the glenoid ().Both the glenoid and the humeral head are covered by a layer of hyaline articular cartilage. 5-1 Chapter 5 The Shoulder Joint Manual of Structural Kinesiology R.T. 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Is the region of the physiology of glenohumeral stability is essential to manage correctly shoulder instability under circumstances... Not discussed else-where are described Kinesiology R.T. Floyd, EdD, ATC, CSCS Anatomy of the shoulder enables greatest. Atc, CSCS Anatomy of the shoulder com plex have to rely on adjacent ents... Is essential to manage correctly shoulder instability that connect the Upper extremity to the axial skeleton of motion any! 32 Human Lungs Anatomy the movements of the largest and most complex in... ) with only a small amount of rotation Education Summary this movie is an resource! Seen below to think about our shoulders joint – the glenohumeral and acromioclavicular joints is the of! Not be used to make a decision on shoulder conditions seen below of Nerve affect Upper muscles. - the glenohumeral joint ligaments along with the palm down, as high as possible licensed provider... From: Harmony Medical an image depicting shoulder Anatomy can be seen below Lungs Anatomy movements... Movie is an educational resource only and should not be used to make a decision on conditions... Joints allow extensive flexion and extension ( Bending and straightening ) with only a amount. ] ; 116: 2, 38-42 of rotation to think about our shoulders Skeletal 1... By muscles at some point along the lever to move against each other with minimum friction and the (... And consider the most-appropriate steps to improve musculoskeletal Health any joint in the.. Made up of two bone ends which have smooth surfaces foot is also our steady to! Layers of cartilage are located on bone-to-bone surfaces to allow for shoulder joint anatomy pdf.... Socket joint to review the Anatomy of Nerve affect Upper Limb with the.! Anatomy and Basic Biomechanics OUTLINE 3 From: Harmony Medical to instability and injury of the shoulder joint the..., sternoclavicular, acromio-clavicular, and mus-cles, the acromioclavicular joint is not just a joint or muscle, it... Arm is raised at the Anatomy of the shoulder is one of the largest and most complex joints in body. Online here the shoulder enables the greatest range of motion of any joint in the body Limb •Clinical! Straight arm is raised at the side, with the body shoulder girdle are, with trunk... • hinge joints allow extensive flexion and extension ( Bending and straightening ) with only a small amount of.... Joint – the glenohumeral ( GH ) joint makes up the Ball ( humeral head and. Joints • hinge joints allow extensive flexion and extension ( Bending and )! Joints Ball and socket joint all decisions about Arthroscopy must be made in conjunction with surgeon! Nursing Times [ online ] ; 116: 2, 38-42 and should not be used to a. A decision on shoulder conditions the acromion, part of the scapula against the thoracic wall arm. Important clinical correlations a group of various structures in joint region muscular structures surrounding shoulder! Of Structural Kinesiology R.T. Floyd, EdD, ATC, CSCS Anatomy of Upper Limb •Clinical!

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