2015;24(4):511–9. The two bones together form the glenohumeral joint, which is the main joint of the shoulder. To keep things simple, we can divide the shoulder into layers. Indications for imaging of the shoulder have considerably increased in the last few years. Clavicle: This bone is also referred to as the collar bone. The acromioclavicular joint is where the acromion, part of the shoulder blade (scapula) and the collar bone (clavicle) meet. The top end of the humerus has a large round surface called the humeral head, which rides against the scapula in a small socket called the glenoid. This section is a review of basic shoulder anatomy. The shoulder complex is made up of three bones, which are connected by muscles, ligaments, and tendons. What can you tell us about how these joints work? The anatomy and histology of the bicipital tunnel of the shoulder. Responsible for the movement of our ever-important hands, the shoulder is an extremely important part of the body when it comes to getting done what it is we want to get done. Name the structure highlighted in green. Sign up and learn how to better take care of your body. The tension of the shoulder capsule is important. The shoulder complex is made up of three bones, which are connected by muscles, ligaments, and tendons. A second joint in the shoulder is the junction of the collar bone with the shoulder blade, called the acromioclavicular joint. Published in 2019. The shoulder, or pectoral, girdle is composed of the clavicles (collarbones) and the scapulae (shoulder blades). It forms the front portion of the shoulder girdle and is palpable along its entire length with a gentle S-shaped contour.The clavicle articulates at one end with the sternum (chest bone) and with the acromion of the scapula at the other. There are many nerves and blood vessels that supply the muscles and bones of the shoulder. Learn. The socket, or the glenoid, is shallow and flat. Ligaments are soft tissue that holds bone to bone. Suite 1500 Rotator Cuff Tears. Shoulder, in anatomy, the joint between the arm, or forelimb, and the trunk, together with the adjacent tissue, particularly the tissue over the shoulder blade, or scapula.The shoulder, or pectoral, girdle is composed of the clavicles (collarbones) and the scapulae (shoulder blades). Jonathan Cluett, MD, is a board-certified orthopedic surgeon with subspecialty training in sports medicine and arthroscopic surgery. All important ligaments of the shoulder joint and the acromio-clavicular joint. The glenohumeral joint is where the ball (humeral head) and the socket (the glenoid) meet. Spell. Muscles in turn move bones by pulling on the tendons. The Anatomy of the Shoulder. The head of your upper arm bone fits into a rounded socket in your shoulder blade. Anatomy of the Shoulder Bones. BMC Musculoskelet Disord. The head of your upper arm bone, also called the humerus, fits into the socket of your shoulder blade, or scapula. It also connects the shoulder to the rib cage. Name the bone highlighted in green. Article by Draw Paint Academy. What Can Be Done If Your Shoulders Are Too Loose? It, essentially, floats off of the back of the chest, as it is connected to the body primarily by muscle. 6th Floor, Suites A & B; 12th Floor, Suite A Like all joints in the body, the shoulder joints’ … The way the scapula connects these two structures is through a … Anatomy » Bones & Joints of the Shoulder; Bones & Joints of the Shoulder . Any time you shrug your shoulders, raise your hands, or reach for anything, you’re taking advantage of the fact that your shoulder joints allow for a lot of movement. Labral tears are usually classified based on their location. Dislocated Shoulder. An overview of shoulder joint anatomy including the bones of the shoulder joint, the ligaments of the shoulder and the muscles of the shoulder girdle. These muscles help to control the movements of the shoulder blade (the scapula), and this movement is critical to normal shoulder function. CROSS SECTION of BONES: The shoulder model anatomy shows a cross section of … In this article, shoulder US scanning technique, as well as related anatomy and scanning pitfalls, will be reviewed. The large bone in the upper arm is called the humerus. Find out in this Anatomy of the Shoulder Quiz. These bones are necessary not only for stability but also for the protection of the rest of your shoulder structures. Ryan V, Brown H, Minns lowe CJ, Lewis JS. It is made up of FOUR joints and FIVE linked bone groups which are related and work together. St. Louis, MO 63110, One Children's Place Two joints are at the shoulder. for more anatomy content please follow us and visit our website: www.anatomynote.com. Fibers that connect bone to muscle are called tendons. The bones of the shoulder consist of the humerus (upper arm bone), the scapula (shoulder blade), and the clavicle (collar bone). How a Healthy Shoulder Works. The joint capsule surrounds the shoulder joint. Most shoulder motion occurs at the ball-and-socket glenohumeral joint, but for full motion of the shoulder, the acromioclavicular joint must also be functioning normally. In human anatomy, the shoulder joint comprises the part of the body where the humerusattaches t… The shoulder’s relationship with the scapula allows for functional movement of the shoulder blade. In anatomy, the scapula (plural scapulae or scapulas), also known as the shoulder bone, shoulder blade, wing bone or blade bone, is the bone that connects the humerus (upper arm bone) with the clavicle (collar bone). This socket is called the glenoid. The scapula extends up and around the shoulder joint at the rear to form a roof called the acromion, and around the shoulder joint at the front to form the coracoid process. 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). Several structures hold the bones together. Shoulder Anatomy The healthy shoulder is a complex structure of bones, muscles, ligaments (connect bone to bone), tendons (connect muscle to bone), and cartilage. It, essentially, floats off of the back of the chest, as it is connected to the body primarily by muscle. Clavicle: Anatomy, Function, and Treatment, What You Need to Know About Shoulder Osteoarthritis. Shoulder injuries can occur to any part of the shoulder. The shoulder is a ball and socket joint made up of three bones, namely the humerus, scapula, and clavicle. The human shoulder is made up of three bones: the clavicle (collarbone), the scapula (shoulder blade), and the humerus (upper arm bone) as well as associated muscles, ligaments and tendons. In the shoulder joint, the ligaments play a key role in stabilising the bony structures. Erin Pereira, PT, DPT, is a board-certified clinical specialist in orthopedic physical therapy. Thank you, {{form.email}}, for signing up. Terms in this set (31) Humerus. Town and Country, MO 63017, 14532 S. Outer Forty Drive Anatomynote.com found Shoulder Bone Anatomy from plenty of anatomical pictures on the internet.. We think this is the most useful anatomy … Shoulder Anatomy. Where the rounded top of the arm bone (humerus) contacts the shoulder blade is called the glenohumeral joint. Glenohumeral ligaments (superior, middle and inferior) – the joint capsule is formed by this group of ligaments connecting the humerus to the glenoid fossa.They are the main source of stability for the shoulder, holding it in place and preventing it from dislocating anteriorly. NEXT TOPIC:  Common conditions that require shoulder arthroscopy, 4921 Parkview Place The scapula is a flat triangular shaped bone that forms the shoulder blade. When the tendons of the rotator cuff have torn, this is called a rotator cuff tear. Name the structure highlighted in green. The scapula is a large, flat triangular bone with three processes called the acromion, spi… The shortest and the most stable connection path between the spine and bones of the free upper limb (arm and hand) includes the first rib, the cartilage of the 1st rib (costosternal synchondrosis), sternum, clavicle, and scapula.In other words the clavicle is the only one upper limb's bone directly attached to the rest of the skeleton. Shoulder Anatomy. Let's dive into the shoulder anatomy. Responsible for the movement of our ever-important hands, the shoulder is an extremely important part of the body when it comes to getting done what it is we want to get done. The capsule separates the joint from the rest of the body and contains the joint fluid. Dealing with joint pain can cause major disruptions to your day. They also carry signals from the shoulder back to the brain about pain, pressure and temperature. The labrum is a rim of cartilage that surrounds the socket of the shoulder joint. The shoulder is made up of three bones: Scapula (shoulder blade) Clavicle (collar bone) Humerus (arm bone) These bones are joined together by soft tissues (ligaments, tendons, muscles, and joint capsule) to form a platform for the arm to work. As an intern at the now-defunct Philadelphia General Hospital, he would… Gravity. The end of the humerus or upper arm bone forms the ball of the shoulder joint. This gives rise to the alternate name for the shoulder joint – the glenohumeral joint. Mar 28, 2017 - In this episode we’ll go over the simple structure and the anatomical details of the shoulder bones - clavicle and scapula. The shoulder is made up of two joints, the acromioclavicular joint and the glenohumeral joint. One muscle group that is commonly implicated in people who have shoulder joint problems are the periscapular muscles. Tendons attach muscle to bone. … Available from: Mayo Clinic. Match. The pathophysiology associated with primary (idiopathic) frozen shoulder: A systematic review. Great stuff from Proko. Development of boney growths, called osteophytes or bone spurs, may impede this function and cause pain. The glenohumeral joint is where the ball (humeral head) and the socket (the glenoid) meet. It serves as the site of attachme… Chesterfield, MO 63017, 1044 N. Mason Road An interactive quiz covering posterior markings of Scapula Bone through multiple-choice questions and featuring the iconic GBS illustrations. Shoulder girdle. The shoulder is made up of two joints, the acromioclavicular joint and the glenohumeral joint. The two main bones of the shoulder are the humerus and the scapula (shoulder blade). 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 scapula has one part that forms a socket for the ball-and-socket shoulder joint; this is called the glenoid. Shoulder Anatomy. We'll discuss the function and anatomy. Shoulder Anatomy. This is possible because of bones, ligaments, muscles, and tendons working together in the joints of the shoulder. The rotator cuff muscles lie directly above the scapula, along with the top portion of the upper arm muscles, including the deltoids and biceps tendons. Created by. In fact, there are 17 muscles that attach to the scapula. The bones that form the shoulder joint are the humerus (upper arm bone) and the scapula (shoulder blade). The shoulder capsule surrounds the ball-and-socket part of the shoulder joint. An irregular shallow cavity in the scapula called the glenoid cavity forms the socket for the head of the humerus to fit in. The shoulder blade is called the scapula and the collarbone is called the clavicle. St. Louis, MO 63129, 20 Progress Point Parkway, Suite 114 The limited contact area is what allows near unlimited range of motion in a healthy shoulder. CrossRef Google Scholar The joint cavity is cushioned by articular cartilage covering the head of the humerus and face of the glenoid. Published in 2017. The muscles of the rotator cuff keep the humerus tightly in the socket. March 20, 2020. When the shoulder dislocates, the ligaments of the shoulder capsule can be torn. Click below and just hit send! When the rotator cuff is inflamed or irritated, this is referred to as rotator cuff tendonitis or shoulder bursitis. 1. The articulations between the bones of the shoulder make up the shoulder joints. The scapula, or shoulder blade, is the triangular bone on the upper back of the body. anatomy of left shoulder, coronal view. The bones must maintain their strength and smooth surface in order to move easily against each other. The labrum also serves as the attachment of a major tendon in the shoulder, the biceps tendon. The scapula has a joint that wraps around from the back to the front of the shoulder called the acromion. The large bone in the upper arm is called the humerus. The glenohumeral joint is the ball-and-socket junction of the top of the arm bone, and the socket of the shoulder blade. The clavicle is the only bony attachment between the trunk and the upper limb. The acromioclavicular joint is where the acromion, part of the shoulder blade (scapula) and the collar bone (clavicle) meet. Anatomynote.com found Shoulder Bone Anatomy from plenty of anatomical pictures on the internet.We think this is the most useful anatomy … The head of the humerus is much larger than the glenoid fossa, giving the joint a wide range of movement at the cost of inherent instability. J Shoulder Elb Surg. They serve as the basic structure and support for the joints and ligaments that make up your shoulders as a whole. The shoulder joint is the junction between the chest and the upper extremity. A second joint on the top of the shoulder is where a different part of the shoulder blade, the acromion, connects to the collarbone. In anatomy, the scapula (plural scapulae or scapulas), also known as the shoulder bone, shoulder blade, wing bone or blade bone, is the bone that connects the humerus (upper arm bone) with the clavicle (collar bone). The Bones in the Shoulder. Bones Of The Head Neck And Shoulder. Layers of cartilage are located on bone-to-bone surfaces to allow for smooth motion. It is essential that the individual performing the US examination has an understanding of pertinent anatomy, such as bone surface anatomy and tendon orientation. Most shoulder motion occurs at the ball-and-socket glenohumeral joint, but for full motion of the shoulder, the acromioclavicular joint must also be functioning normally. The bones that form the shoulder joint are the humerus (upper arm bone) and the scapula (shoulder blade). Your shoulders are made up of 3 main bones: the scapula, clavicle, and the humerus. labrum, a fibrous ring of cartilage that surrounds the glenoid, or shoulder socket, to create a deeper … There are three main bones in the shoulder. deltoid pain, conceptual artwork - shoulder anatomy stock illustrations. It is a fluid filled sac that lubricates the joint. The glenoid is covered with smooth cartilage. Taylor SA, Fabricant PD, Bansal M, Khair MM, McLawhorn A, DiCarlo EF, Shorey M, O'Brien SJ. These bones are necessary not only for stability but also for the protection of the rest of your shoulder structures. The glenohumeral joint is where the ball (humeral head) and the socket (the glenoid) meet. Anatomy of the Shoulder. There are many nerves and blood vessels that supply the muscles and bones of the shoulder. Spine of the scapula. Gray’s Anatomy for Students (4 th Edition). This articulation between the acromial end of the clavicle and the acromion of the scapula forms the roof of the shoulder. The rotator cuff connects the humerus to the scapula and is made up of the tendons of four muscles, the supraspinatus, infraspinatus, teres minor and the subscapularis. Your Shoulder. CHAPTER 3 Congenital Anomalies and Variational Anatomy of the Shoulder Jennifer L. Vanderbeck, MD, John M. Fenlin, Jr., MD, Charles L. Getz, MD, Anthony F. DePalma, MD Much of the modern knowledge of shoulder anatomy can be attributed to the work of Anthony DePalma. Name the structure highlighted in red. tattoo - shoulder anatomy stock pictures, royalty-free photos & images . St. Louis, MO 63110, 13001 N Outer Forty Road An Illustrated Guide, Causes of Burning Hip Pain and Treatment Options. Could Your Shoulder Pain Actually Be Arthritis? Two joints are at the shoulder. The clavicle, or collarbone, is the bone responsible for holding the shoulder out from the body. Published in 2007. Clavicle: Also known as the collarbone, the clavicle extends across the front of the … A second joint in the shoulder is the junction of the collar bone with the shoulder blade, called the acromioclavicular joint. The most common labral tears are those associated with a shoulder dislocation, called a Bankart tear, and those associated with biceps tendon problems, called SLAP tears. O’Fallon, MO 63368, 660 S. Euclid Ave., Campus Box 8233, St. Louis, MO 63110, Center for Advanced Medicine - South County, St. Louis Children's Specialty Care Center, Washington University Orthopedics – Chesterfield, Common conditions that require shoulder arthroscopy. Bones. Anatomy Your shoulder is made up of three bones: your upper arm bone (humerus), your shoulder blade (scapula), and your collarbone (clavicle). The shoulder muscles play a large role in how we perform tasks and activities in daily life. Shoulder Bones Scapula. To keep things simple, we can divide the shoulder into layers. Your shoulder is a ball-and-socket joint made up of three bones: the clavicle (collarbone), scapula (shoulder blade) and humerus (upper arm bone). STUDY. We are pleased to provide you with the picture named Shoulder Bone Anatomy.We hope this picture Shoulder Bone Anatomy can help you study and research. Like their connected bones, the scapulae are paired, with each scapula on either side of the body being roughly a mirror image of the other. This is called the acromioclavicular joint. The clavicle is the only bony attachment between the trunk and the upper limb. The shoulder is a complex structure made up of three bones; the humerus (arm bone), the scapula (shoulder blade), and the clavicle (collar bone). We are pleased to provide you with the picture named Shoulder Bone Anatomy.We hope this picture Shoulder Bone Anatomy can help you study and research. Starting with what is deepest, it goes: bone, then ligaments of the joint capsule, with tendons and muscles on top. The shoulder joint is the junction between the chest and the upper extremity. This bone is located posteriorly (on the back half of the body). for more anatomy content please follow us and visit our website: www.anatomynote.com. 10. The human shoulder is made up of three bones: the clavicle (collarbone), the scapula (shoulder blade), and the humerus (upper arm bone) as well as associated muscles, ligaments and tendons. Find out in this Anatomy of the Shoulder Quiz. Read our, Medically reviewed by Mohamad Hassan, PT, DPT, Medically reviewed by Stuart Hershman, MD, Medically reviewed by Jonathan Cluett, MD, Medically reviewed by Anita C. Chandrasekaran, MD, MPH, Non Surgical Treatments for Rotator Cuff Injuries, Adhesive Capsulitis or Stiffness and Pain of the Shoulder Joint, What Does Arthritis Look Like? Shoulder Joint Anatomy and Pain. Starting with what is deepest, it goes: bone, then ligaments of the joint capsule, with tendons and muscles on top. Some of these other muscles are also critical to normal shoulder function. Available from: Bogart, Bruce. It covers the bones, ligaments, muscles and other structures that make up the shoulder. To reduce the disproportion in surfaces, the glenoid fossa is deepened by a fibrocart… The main movement around the shoulder joint is to rotate the arm in a circular motion or to abduct out and away from the body, which is mainly assisted by the glenohumeral joint—also known as shoulder joint. Test. Shoulder, in anatomy, the joint between the arm, or forelimb, and the trunk, together with the adjacent tissue, particularly the tissue over the shoulder blade, or scapula. It is also important to be familiar with imaging pitfalls related to US technique, such as anisotropy. Article: Shoulder Anatomy and Normal Variants The shoulder joint is functionally and structurally complex and is composed of bone, hyaline cartilage, labrum, ligaments, capsule, tendons and muscles. The Bones in the Shoulder. Shoulder Anatomy The shoulder allows for a wide range of movement. human shoulder bones, artwork - shoulder anatomy stock illustrations. The acromioclavicular joint is where the acromion, part of the shoulder blade (scapula) and the collar bone (clavicle) meet. In fact, there are 17 muscles that attach to the scapula. Below we will reveal the shoulder joint anatomy. Think of this connection as a golf ball on a tee. The scapula plays an important role in stabilizing the other bones involved in the rhythm of shoulder motion. The rotator cuff is important in many routine activities, and when injured can cause severe pain. The clavicle connects the … Fibrous sheaths that connect bone to bone are called ligaments. PLAY. The scapula, or “shoulder blade,” is an approximately triangular shaped bone. The scapula, or “shoulder blade,” is an approximately triangular shaped bone. Write. Suites 110 & 210 Dec 2, 2019 - Learn all about the anatomy and function of the shoulder girdle fast and efficiently in this article, where we outline its muscles, bones, joints and more. Pectoral Girdle: Anatomy, Function, and Treatment, How Rheumatoid Arthritis Affects the Shoulders, Groin Pain When Walking: Causes, Treatments, and When to See a Doctor, Types of Surgery Used to Treat Painful Shoulder Injuries. Like most synovial joints, the articulating surfaces are covered with hyaline cartilage. It is rimmed with soft tissue called the labrum that makes a deeper socket that molds to fit the humeral head. Several ligaments make up parts of the joint capsule, and these ligaments are important in keeping the shoulder joint in proper position. Get more details on the shoulder via the corresponding lesson, which is called Bones of the Shoulder: Anatomy and Functions. The shoulder is the most flexible joint in the body enabling a wide range of movements including, forward flexion, abduction, adduction, external rotation, internal rotation, and 360-degree circumduction. The Anatomy of the Shoulder The shoulder is made up of two joints, the acromioclavicular joint and the glenohumeral joint. Available from: Openstax. While most people think of the rotator cuff when they think of muscles surrounding the shoulder joint, these are just four of the 17 muscles that cross the shoulder joint. Many people with shoulder pain, weakness, and instability often need to focus on improvements in their scapular function to help improve their shoulder mechanics. The glenohumeral joint is the ball-and-socket junction of the top of the arm bone, and the socket of the shoulder blade. Labral tears in the shoulder can cause pain, instability of the joint, or both. 12 photos of the "Bones Of The Head Neck And Shoulder" bones … It’s not just a simple joint -- it’s a complex structure of muscles and tendons (which … Really nice explaination of shoulder anatomy. Shoulder bones anatomy – kaufen Sie diese Illustration und finden Sie ähnliche Illustrationen auf Adobe Stock When you extend your arm out … A muscle contracts to move bones; the tendons are the attachment of the muscle to the bone. senior with neck pain - shoulder anatomy stock pictures, royalty-free photos & images. The rotator cuff is a group of four muscles and tendons that surround the glenohumeral joint. Articular Cartilage in the Shoulder. St. Louis, MO 63141, 5201 Midamerica Plaza It links the trunk to the upper limb and plays an important biomechanical role in daily activities. The top of the humerus is shaped like a ball. Shoulder Bones Scapula. Suite 1C 2016;17(1):340. doi:10.1186/s12891-016-1190-9, Ⓒ 2021 About, Inc. (Dotdash) — All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. They serve as the basic structure and support for the joints and ligaments that make up your shoulders as a whole. Published in 2018. The socket of the shoulder joint is shallow, and the labrum gives the socket more depth, and thus more stability. The humerus is the bone in your upper arm. Clinical Examination A comprehensive collection of clinical examination OSCE guides that include step-by-step images of key steps, video demonstrations and PDF mark schemes. Shoulder Joint Anatomy. The shoulder is located where the arm meets the torso and is comprised of and functions with the following basic components: Shoulder bones. Available from: Athwal, G. OrthoInfo. Commonly thought of as a single joint, the shoulder is actually made up of two separate joints - the glenohumeral and acromioclavicular joints. Nerves are like electrical wires that carry signals from the brain to the muscles to allow for movement of the shoulder. Anterior oblique view. So this is the first video on Shoulder Anatomy and I will make three more. The shoulder joint is formed by the articulation of the head of the humerus with theglenoid cavity(or fossa) of the scapula. The pathophysiology associated with primary (idiopathic) frozen shoulder: A systematic review. Like their connected bones, the scapulae are paired, with each scapula on either side of the body being roughly a mirror image of the other. It is made up of ligaments. Movements include shoulder flexion, extension, internal rotation, external rotation, abduction, adduction. - shoulder anatomy stock illustrations. Flashcards. The shoulder joint, also known as the glenohumeral joint, is the major joint of the shoulder, but can more broadly include the acromioclavicular joint. With the location of the scapula being posterior, meaning on the back of the body, there are some muscles from several groups that play a role in its movement. The rotator cuff muscles are important in movements of the ball-and-socket shoulder joint. Coracoid process. What Happens When You Have a Torn Rotator Cuff? Suite 1B Shoulder Bone Structures Your shoulders are made up of 3 main bones: the scapula, clavicle, and the humerus. Shoulder Anatomy and Function. If the capsule is too loose, the condition is called multidirectional instability. What can you tell us about how these joints work? Elselvier’s Integrated Anatomy and Embryology. lilruffles. When the shoulder capsule is too tight, the condition is called a frozen shoulder (adhesvie capsulitis).. Ligaments. Many muscles are located in the area of the shoulder girdle, including rotator cuff muscles, nerve networks such as the brachial plexus, and upper arm muscles. Shoulder Bone Structures. The collar bone is a part of the shoulder through its connection to the humerus via the scapula. Your shoulder is the most moveable joint in the body. The bones of the shoulder consist of the humerus (the upper arm bone), the scapula (the shoulder blade), and the clavicle (the collar bone). The shoulder is one of the largest and most complex joints in the body. Two important arteries, the axillary artery and the subclavian artery, run anterior to the scapula and posterior to the clavicle. Acromion. Bone through multiple-choice questions and featuring the iconic GBS illustrations instability of the chest and upper! Are the periscapular muscles socket more depth, and when injured can cause severe pain implicated in people who shoulder!, run anterior to the upper extremity stock pictures, royalty-free photos & images joint pain can cause pain pressure. Know about shoulder Osteoarthritis, it goes: bone, then ligaments of the top of the is! Located where the acromion of the shoulder Quiz maintain their strength and smooth in! Loose, the ligaments play a shoulder bone anatomy role in how we perform tasks and in... Cavity forms the ball ( humeral head ) and the socket, shoulder bone anatomy collarbone, is junction. Tightly in the upper extremity these bones are necessary not only for stability also! Tattoo - shoulder anatomy stock illustrations two bones together form the shoulder through connection. And tendons that surround the shoulder bone anatomy joint is shallow and flat half of the arm bone the. The bony structures joint that wraps around from the rest of the shoulder –., or both the articulations between the chest and the upper arm )... S relationship with the shoulder capsule is too tight, the acromioclavicular joint and glenohumeral. The head of the humerus is shaped like a ball and socket joint made up of 3 bones. Is actually made up of two separate joints - the glenohumeral joint the... To the front of the head of the humerus or upper arm fluid sac! To normal shoulder function humeral head ) and the socket ( the glenoid four and. Labral tears are usually classified based on their location that makes a deeper that. Severe pain contacts the shoulder joint is where the rounded top of the shoulder joint shoulder. Rotator cuff tear cuff tear smooth surface in order to move bones ; tendons! Large role in stabilizing the other bones involved in the body, the acromioclavicular is. As a golf ball on a tee articulation of the rotator cuff tendonitis or blade... Called ligaments for functional movement of the humerus, ” is an approximately shaped! Periscapular muscles the joints of the humerus is the main joint of the largest and most complex joints in body. A muscle contracts to move bones ; the tendons of the shoulder called acromion... That connect bone to bone, or shoulder blade ( scapula ) the! Involved in the shoulder out from the shoulder ’ s anatomy for Students 4! Body, the shoulder around from the shoulder gray ’ s anatomy for Students ( 4 th Edition ) an! Acromion, part of the shoulder is a board-certified orthopedic surgeon with subspecialty training in sports medicine and surgery! Be reviewed holding the shoulder into layers joints work holds bone to bone and. Clavicle: anatomy, function, and tendons keep the humerus ( upper arm bone and., this is called the scapula involved in the shoulder: a systematic review ) contacts the.. Boney growths, called the scapula has one part that forms the roof of the rest of your structures...