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Lab Activities Lab Activities Shoulder Girdle 1. On the skeleton and on at least two of your classmates, locate, palpate and observe the structures listed below. The reference position is the anatomical position. Not all structures are palpable on your partner. Sternum Manubrium Body Xiphoid process Sternal notch Clavicle Scapula Vertebral border Inferior angle Acromion process Spine of the scapula Superior angle Coracoid process Supraspinous fossa Infraspinous fossa 2. Locate the following muscles on the skeleton and at least one classmate Sitting Position Upper trapezius Levator scapulae Pectoralis minor Serratus anterior Prone Postion Lower trapezius Middle trapezius Rhomboids 3. Observe scapular motion as your partner flexes their shoulder. List the scapular motion(s) you observed. file:///C|/Documents%20and%20Settings/marsettt/Desktop/Mics%20saves/Lab%20Activities%20Sh%20Gird.htm (1 of 4)2/7/2007 3:33:08 PM Lab Activities 4. When your partner assumes the all-fours position, what position does your partner's scapula assume? _____ Protracted _____ Retracted _____ Winged Is this an open or closed kinetic chain activity? ____________________ 5. List the muscle(s) of the shoulder girdle that attach to the ribs. 6. List the muscle(s) that attach to the vertebral border of the scapula 7. List the muscle(s) that attach to the vertebral column 8. List the muscle(s) that attach to the clavicle 9. What are the joints that comprise the shoulder girdle? 10. Why is the scapulothoracic joint not a true joint? file:///C|/Documents%20and%20Settings/marsettt/Desktop/Mics%20saves/Lab%20Activities%20Sh%20Gird.htm (2 of 4)2/7/2007 3:33:08 PM Lab Activities 11. What would be the result of limited sternoclavicular motion on shoulder girdle movement? 12. Using the following descriptive terminology, fill in the blanks in the following sentences. Use each term once. Medial Posterior Anterior Superior Inferior Superficial Deep Lateral A. The spine is on the _____________ surface of the scapula B. The vertebral border is on the _______________ side of the scapula C. The glenoid fossa is on the _______________ aspect of the scapula D. The xiphoid process is _______________ to the body of the sternum E. The rhomboid muscles are located ________________ to the trapezius F. The coracoid process is on the _______________ surface of the scapula G. The upper trapezius muscle is located _______________ to the levator scapula H. The clavicle is ________________ to the sternum 13. Identify the following muscles: A. Attaches to the coracoid process B. Attaches to the vertebral border of the scapula: file:///C|/Documents%20and%20Settings/marsettt/Desktop/Mics%20saves/Lab%20Activities%20Sh%20Gird.htm (3 of 4)2/7/2007 3:33:08 PM Lab Activities On the posterior surface: On the anterior surface: C. Attaches to the superior angle of the scapula D. Attaches to the spine of the scapula E. Attaches where the spine meets the vertebral border F. Attaches on the transverse processes of the vertebra G. Attaches on the spinous processes of the vertebra H. Attaches on the ribs 14. Identify the following muscles according to their locations on the body: 15. A. Which muscle is located between the rib cage and the scapula B. Which muscle lies deep to the pectoralis major C. Which muscle is the most superficial on the posterior upper back Name the muscle innervated by a cranial nerve ________________ Name the cranial nerve _____________________________ file:///C|/Documents%20and%20Settings/marsettt/Desktop/Mics%20saves/Lab%20Activities%20Sh%20Gird.htm (4 of 4)2/7/2007 3:33:08 PM