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It guides pre-lab preparation by reviewing targeted muscle groups and defining core movement terms such as extension, flexion, abduction, adduction, and rotation. During lab, it directs students to use specific atlas modules to locate muscles on charts, models, or specimens, identify location, origins and insertions, muscle actions, and nerve supply, and practice shoulder and scapular movement actions to observe which muscles contract.",{"@graph":63,"@context":119},[64,80,102],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/muscular-shoulder-and-arm-atlas-lab-manual-pre-lab-and-in-lab-exercises/563512/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/muscular-shoulder-and-arm-atlas-lab-manual-pre-lab-and-in-lab-exercises/563512.png","ImageObject",442,249,{"name":88,"@type":89},"Bulrr","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-27","2026-10-12",true,{"@type":98,"interactionType":99,"userInteractionCount":101},"InteractionCounter",{"@type":100},"ViewAction",8,{"@type":103,"mainEntity":104},"FAQPage",[105,111,115],{"name":106,"@type":107,"acceptedAnswer":108},"Which muscle groups are highlighted for study before the lab starts?","Question",{"text":109,"@type":110},"The pre-lab focuses on the pectoralis major and latissimus dorsi, using Visible Body’s Human Anatomy Atlas to locate the relevant view and muscle definitions.","Answer",{"name":112,"@type":107,"acceptedAnswer":113},"What are the required terms students must define during the pre-lab?",{"text":114,"@type":110},"Students define extension, flexion, abduction, adduction, and rotation.",{"name":116,"@type":107,"acceptedAnswer":117},"During in-lab exercises, what information must be identified for each muscle?",{"text":118,"@type":110},"Students must identify muscle location, origins and insertions, muscle action, and nerve supply, using the atlas modules and available models or specimens.","https://schema.org",{"og:url":78,"og:type":121,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":123,"canonical":78},"index,follow",{"doc_id":125,"site_id":56},563512,1792091642,{"code":4,"msg":5,"data":128},{"doc_id":125,"user_id":129,"nickname":88,"user_avatar":130,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":131,"file_id":132,"file_url":133,"file_type":134,"file_size":135,"view_count":101,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":136,"language":137,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":138,"faqs":139,"seo_title":140,"seo_description":61,"update_tm":141,"read_time":30},5909892115043,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","1  \nPRE-LAB EXERCISES  \nBefore coming to lab, get familiar with a few muscle groups we’ll be exploring during lab. Using Visible Body’s Human Anatomy Atlas, go to the Views section. Under Systems, scroll down to the Muscular System views. Select View 11. Shoulder, and find the following muscles. When you select a muscle, note the book icon in the content box. Selecting this icon allows you to read the muscle’s definition.  \n1. Pectoralis major  \n2. Latissimus dorsi  \nDefine the following terms:  \n1. Extension  \n2. Flexion  \n3. Abduction  \n4. Adduction  \n5. Rotation  \nIN-LAB EXERCISES  \nUse the following modules to guide your exploration of the shoulder and arm regions of the muscular system. As you explore the modules, locate the muscles on any charts, models, or specimen available. These muscles are located in and act on the shoulder and arm regions. Because the glenoid cavity of the scapula is shallow and does not snugly fit the head of the humerus, the tendons of multiple muscles are involved in securing and stabilizing the humerus at the shoulder to prevent dislocation. Other muscles will cross the shoulder (glenohumeral) joint and insert on the arm, causing the arm to move when they contract.  \nMovement of the brachium, or upper arm, depends on the fixators of the shoulder to keep the scapula in place so the arm can move freely. Once we move down into the antebrachium (forearm) and hand, the muscles begin to get smaller and more numerous, which grants us our fine motor skills when we write or play the piano. Pay attention to whether the muscle is on the anterior or posterior side of the arm – muscles on the anterior side will flex, while muscles on the posterior side will extend. The long names of some of these muscles can be daunting, but they are often very descriptive. You can find origins, insertions, actions, and/or locations of these muscles simply in the names.  \nWhen reviewing the action of a muscle, it will be helpful to think about where the muscle is located and where the insertion is. Muscle physiology requires that a muscle will “pull” instead of “push” during contraction, and the insertion is the part that will move. Imagine that the muscle is “pulling” on the bone or tissue it is attached to at the insertion.  \nAccess 3D views and animated muscle actions in Visible Body’s Human Anatomy Atlas, which will be especially helpful to visualize muscle actions. When you select a structure in the Atlas app, you’ll see options to read the definition and hear the pronunciation in the content box. When you select a muscle, be sure to select the blue pin icon in the content box. This will give you the option to view origins and insertions as visible pins on the muscle (select Attachments), view the blood supply, and/or the nerve supply.  \nIn each module below, identify the following:  \n• Muscle location  \n• Origin(s) and insertion(s)  \n• Muscle action  \n• Nerve supply  \nA. Muscles of the Shoulder  \nMuscles of the Shoulder  \nView the following Muscle Actions:  \nShoulder flexion  \nShoulder extension  \nShoulder horizontal abduction  \nShoulder horizontal adduction  \nShoulder abduction  \nShoulder adduction  \nShoulder medial rotation  \nShoulder lateral rotation Scapula elevation  \nScapula depression Scapula abduction  \nScapula adduction  \nScapula upward rotation  \nScapula downward rotation  \nTry performing these actions yourself and feel which muscles contract.  \nThese muscles primarily act to stabilize the scapula and move the arm. Since the scapula is a moveable bone, it must be stabilized in order for the arm to be able to move.  \nSome of these muscles are prime movers of the arm. They all cross the shoulder joint to insert on the  \nhumerus. Remember that muscles pull, and imagine how the muscle will pull on the humerus as it contracts.  \nView 11. Shoulder  \nDeltoid  \nPectoralis major  \nLatissimus dorsi  \nView 11. Shoulder  \nSupraspinatus  \nInfraspinatus  \nDeltoid  \nTeres minor  \nTeres major  \nCoracobrachialis  \nLatissimus","cbCairYPAlvq535O","https://ap.wps.com/l/cbCairYPAlvq535O","pdf",5858692,47,"English","# Pre-Lab Exercises\n## Target muscle groups and definitions\n# In-Lab Exercises\n## Using Visible Body modules to identify muscle location\n## Shoulder actions and muscle identification\n## Shoulder muscle table (origins, insertions, action, innervation)\n# Muscles of the Torso that Act on the Scapulae\n## Viewing and identifying deep scapular muscles and their chart","[{\"question\":\"Which muscle groups are highlighted for study before the lab starts?\",\"answer\":\"The pre-lab focuses on the pectoralis major and latissimus dorsi, using Visible Body’s Human Anatomy Atlas to locate the relevant view and muscle definitions.\"},{\"question\":\"What are the required terms students must define during the pre-lab?\",\"answer\":\"Students define extension, flexion, abduction, adduction, and rotation.\"},{\"question\":\"During in-lab exercises, what information must be identified for each muscle?\",\"answer\":\"Students must identify muscle location, origins and insertions, muscle action, and nerve supply, using the atlas modules and available models or specimens.\"}]","Muscular Shoulder and Arm Atlas Lab Manual - Pre-Lab and In-Lab Exercises | PDF",1791836157]