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 … Understanding the structure and purpose of the bone allows nurses to understand common pathophysiology and consider the most-appropriate steps to improve musculoskeletal health. Layers of cartilage are located on bone-to-bone surfaces to allow for smooth motion. How skeletal structure lends to shoulder instability. Anatomy of the Shoulder See online here The shoulder is the region of the body that connects the upper limb with the trunk. Shoulder joint, anterior view. The capsule of the glenohumeral (shoulder) joint is the articular capsule of the shoulder.It completely surrounds the joint. Glenohumeral joint (Articulatio glenohumeralis) The glenohumeral, or shoulder, joint is a synovial joint that attaches the upper limb to the axial skeleton. This gives rise to the alternate name for the shoulder joint – the glenohumeral joint. Anatomy of The Shoulder Joint. The shoulder is made up of two joints, the acromioclavicular joint and the glenohumeral joint. The acromioclavicular joint is where the acromion, part of the shoulder blade (scapula) and the collar bone (clavicle) meet. The scapula is a triangular-shaped bone that … By Matthew Hoffman, MD. Human Anatomy. The unique anatomy of the shoulder enables the greatest range of motion of any joint in the body. 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. These are dis-cussed below. Pelvic Girdle The pelvic girdle contains the hip bone and the sacrum. 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). Shoulder Anatomy. The socket of the shoulder joint is part of the scapula, and if scapular movement is not normal, then shoulder function cannot be normal. 28 Muscle Anatomy Structure of skeletal muscle . Scapula. Joint Anatomy and Basic Biomechanics OUTLINE 3 From: Harmony Medical. Picture of the Shoulder. Shoulder and hip joints Ball and socket Ball and Socket joint. reviews the anatomy and physiology of bone. 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. The glenohumeral (GH) joint makes up the ball and socket of the shoulder. outlined in Table 1 and Figure 6. The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. 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. Two bones comprise the shoulder girdle. Several structures hold the bones together. It may not be complete or timely. Fibers that connect bone to muscle are called tendons. All rights reserved. The glenohumeral joint is where the ball (humeral head) and the socket (the glenoid) meet. 26 Human Liver Anatomy Symptoms of Liver Damage . The dynamic-stabilizing structures include the rotator cuff muscles and the other muscular structures surrounding the shoulder joint. 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. 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. Osteology. 5-1 Chapter 5 The Shoulder Joint Manual of Structural Kinesiology R.T. Floyd, EdD, ATC, CSCS This flexibility is also what makes the shoulder prone to instability and injury. Prev Next The shoulder is one of the largest and most complex joints in the body. To review the anatomy of the shoulder joint and of the physiology of glenohumeral stability is essential to manage correctly shoulder instability. Shoulder Joint • Ball and Socket joint • Ligaments: • a) Coracohumeral ligament –connects the coracoid process of scapula to the greater tubercle of the humerus. All decisions about Arthroscopy must be made in conjunction with your surgeon or a licensed healthcare provider. Anterior aspect of the shoulder girdle. Static stabilizers include the bony anatomy, negative intra-articular pressure, the glenoid labrum, and the glenohumeral ligaments along with the joint capsule. 30 Pancreas Anatomy The Pelvic Girdle . T he joints of the shoulder com plex have to rely on adjacent ligam ents and m uscles to provide stability. Your shoulder is a ball-and-socket joint made up of three bones: the clavicle (collarbone), scapula (shoulder blade) and humerus (upper arm bone). An image depicting shoulder anatomy can be seen below. 29 Anatomy of the Nose Etiology of Pressure Sores . applied by muscles at some point along the lever to move the body part (resistance). Multimedia Health Education Summary This movie is an educational resource only and should not be used to make a decision on shoulder conditions. These are the clavicle and scapula. Knee Joint Anatomy Torn Anterior Cruciate Ligament . composed of a complex structure of bones, joints, and mus-cles, the foot is also our steady connection to the ground. Abduction : The straight arm is raised at the side, with the palm down, as high as possible. 33 Gas … Fibrous sheaths that connect bone to bone are called ligaments. The scapulothoracic joint is not a true joint but it describes movement of the scapula against the thoracic wall during arm movement. Structures of the Shoulder Joint Articulating Surfaces. 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. The shoulder joint is formed by the articulation of the head of the humerus with the glenoid cavity (or fossa) of the scapula. 2 A Patient's Guide to Shoulder Anatomy Compliments of: DISCLAIMER: The information in this booklet is compiled from a variety of sources. Then, keeping the elbows in contact with the body, the hands are spread outward as far as possible. Sternocleidomastoid muscle 31 The Hip Joint The Lumbar Plexus . Many people with shoulder pain, weakness, and instability often need to focus on improvements in their scapular function to help improve their shoulder mechanics. Applied anatomy of the shoulder, and . 32 Human Lungs Anatomy The movements of the chest during breathing . 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. 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. 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. Nursing Times [online]; 116: 2, 38-42. View Media Gallery. Under normal circumstances, we rarely stop to think about our shoulders. Next: Gross Anatomy. 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. 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). 1 ©McGraw-Hill Higher Education. humeral (shoulder joint), sternoclavicular, acromio-clavicular, and scapulothoracic joints. The Anatomy of the Shoulder. Anatomy. C onse- quently, they are susceptibleto injury and de- generation. They are shaped to move against each other with minimum friction. 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. 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. Commonly thought of as a single joint, the shoulder is actually made up of two separate joints - the glenohumeral and acromioclavicular joints. In this chapter only those muscles that are not discussed else-where are described. The shoulder or pectoral girdle is composed of the bones that connect the upper extremity to the axial skeleton. Applied anatomy of the thorax and abdomen. In this article, we shall look at the anatomy of the shoulder joint and its important clinical correlations. 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. 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. 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. The muscles at the anterior aspect of the shoulder girdle are . 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. It involves articulation between the glenoid cavity of the scapula (shoulder blade) and the head of the humerus (upper arm bone). It is not just a joint or muscle, but it is actually a group of various structures in joint region. 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. • 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. Hinge Joints • HINGE JOINTS allow extensive flexion and extension (Bending and straightening) with only a small amount of rotation. 27 The Lymphatic System . Shoulder Joints. 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). 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. 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. Citation Walker J (2020) Skeletal system 1: the anatomy and physiology of bones. respectively. •Clinical Anatomy of Upper Limb Joints •Clinical Anatomy of Upper Limb Muscles •Clinical Anatomy of Nerve affect Upper Limb Muscles •Special Diagnostic Tests. • The joint is made by the joining of two bone ends which have smooth surfaces. Susceptibleto injury and de- generation extensive flexion and extension ( Bending and straightening ) only. Musculoskeletal Health maintaining the widest range of motion of any joint in the body for maintaining widest. Extensive flexion and extension ( Bending and straightening ) with only a small amount of.! 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