Scapular Region Anatomy Lecture PDF

Faculty of Medicine Academic Year: 2024-2025 Year: 1 Semester: 2 Module: Locomotor system (lcs) 105 Scapular region By: Manal Albadawi Professor Doctor Department: Anatomy & Embryology Department 2/9/2025 22  Obje...

Faculty of Medicine Academic Year: 2024-2025 Year: 1 Semester: 2 Module: Locomotor system (lcs) 105 Scapular region By: Manal Albadawi Professor Doctor Department: Anatomy & Embryology Department 2/9/2025 22  Objectives Identify the scapular region muscles. Discuss scapular region muscles through (origin –insertion –nerve supply and action). Arterial anastomosis around the shoulder joint. 2/9/2025 LCS - 105 33  Introduction 2/9/2025 LCS - 105 44  Introduction 2/9/2025 LCS - 105 55 Scapula : The scapula body forms a broad triangle with many surface markings - sites of attachment for muscles, tendons, and ligament 3 sides of the scapular triangle are called borders: Superior; Medial (vertebral); and Lateral (axillary) - muscles that position the scapula attach along these edges Corners or angles: Superior; Inferior; and Lateral - lateral angle, or scapula head forms a broad process that supports the glenoid cavity (fossa) 2/9/2025 LCS - 105 6  Interactive Question What are the muscles of the shoulder girdle? 2/9/2025 LCS- 105 77  Interactive Question 2/9/2025 LCS - 105 88  Interactive Question 2/9/2025 LCS - 105 99  Interactive Question 2/9/2025 LCS - 105 10 10  InteractiveArterial Question Anastomosis Around Scapula 2/9/2025 LCS - 105 11 11  Interactive Question 2/9/2025 LCS - 105 12 12  Interactive Question 2/9/2025 LCS - 105 13 13  Interactive Question 2/9/2025 LCS - 105 14 14  Interactive Question 2/9/2025 LCS - 105 15 15  Interactive Question 2/9/2025 LCS - 105 16 16  Interactive Question 2/9/2025 LCS - 105 17 17  Interactive Question 2/9/2025 LCS - 105 18 18  Interactive Question 2/9/2025 LCS - 105 19 19  Interactive Question 2/9/2025 LCS - 105 20 20  Interactive Question 2/9/2025 LCS - 105 21 21  Interactive Question 2/9/2025 LCS - 105 22 22  Interactive Question 2/9/2025 LCS - 105 23 23  Interactive Question 2/9/2025 LCS - 105 24 24  Interactive Question 2/9/2025 LCS - 105 25 25  Interactive Question 2/9/2025 LCS - 105 26 26  Interactive Question 2/9/2025 LCS - 105 27 27  Interactive Question 2/9/2025 LCS - 105 28 28  Summary -A group of six muscles converge from the scapula to the humerus and surround the shoulder joint: - deltoid, supraspinatus, infraspinatus, teres minor, teres major and subscapularis. - Three of them(supraspinatus, infraspinatus and teres minor) extend from the posterior surface of the scapula to be inserted into the three impressions on the greater tubercle of the humerus. - Subscapularis passes from the thoracic surface of the scapula to the lesser tubercle. 2/9/2025 LCS - 105 29 29  Interactive Question Which nerve innervates the deltoid muscle? a) Axillary nerve b) Suprascapular nerve c) Radial nerve d) Musculocutaneous nerve 2/9/2025 LCS - 105 30 30  References Gray's anatomy for students,3rd edition pages 43,44. MOORE’S Clinically Oriented Anatomy ninth edition page 67-73. 2/9/2025 LCS - 105 31 31  References Any Question??? 2/9/2025 LCS- 105 32 32