CDO 335 Week Twelve Notes
CDO 335 Week Twelve Notes CDO 335
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This 0 page Class Notes was uploaded by Rachel Roede on Friday November 20, 2015. The Class Notes belongs to CDO 335 at Central Michigan University taught by Lori Bissell in Summer 2015. Since its upload, it has received 21 views. For similar materials see Anatomy & Physiology of Speech and Hearing in Communication Disorders & Sciences at Central Michigan University.
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Date Created: 11/20/15
CDO 335 Week Twelve Notes Diaphragm Twodomed muscle Divides thorax chest cavity from abdomen Only muscles that inserts upon itself to inner tendon Goes at during inspiration Passively returns to domeshape during exhalation Know origin course insertion innervation and function of this muscle mm o Xiphoid Process of sternum Course 0 Superiorly and then medially Insertion 0 Central Tendon aponeurosis Innervation o Phrenic Nerve from Central Plexus of Spinal Nerves C3 C4 and C5 FuncUon 0 Quiet Inhalation o Contraction increases size of thorax Landmarks o Foramen 3 of them through which structures pass 0 Aortic Hiatus Right by spinal column posterior side of diaphragm Descending abdominal aorta passes through here carrying oxygenated blood to extremities from the heart 0 Vena CavaPhrenic Deoxygenated blood from lower extremities to heart Anterior most foramen o Esophageal Foramen Esophagus passes here Bringing food to stomach External lntercostal Muscles Between ribs more lateral 0 Know only function and where it is located on diagram Origin 0 Inferior surface of ribs 111 0 Course 0 Down obliquely medially Insertion 0 Superior surfacecrest of the rib below Innervation o Intercostal nerves 0 Function 0 Raises ribs during inhalation D Quiet Inhalation Internal Intercostal Muscles 0 Know Function and where it is located on diagram 0 Origin 0 Inferior surface of ribs 111 0 Course 0 Down obliquely laterally Insertion 0 Superior surfacecrest of rib below Innervation o Intercostal nerves 0 Functions 0 Raises ribs D quiet inhalation o Lowers ribs D exhalation primarily Intercostal Muscles internal and external 0 Fill the entire space between the ribs 0 Contract vertically Maintain costal rigidity Transverse Thoracic Triangularis Stemi Internal surface of ribs behind intercostal muscles posteriorly 0 Know the function and where it is located on diagram Origin 0 Posterior surface of sternum o Posterior surface of xiphoid process Insertion 0 Fans outward and upward o Inferior edge of ribs 26 0 Function 0 Lowers ribs D exhalation Levatores Costarum Costal Elevators 0 Know function and where it is located on diagram 0 Origin 0 Transverse process of C7 and T111 center of back Insertion 0 Outer surface of net lower rib or two 0 Function 0 Raise ribs D Forced Inhalation Serratus Posterior Superior Muscles 0 Know function and where it is located on diagram 0 Origin 0 Spinous Processes of C7 and T14 Insertion 0 Courses downward and outward 0 Near angles of ribs 26 0 Function 0 Raises ribs D forced Inhalation Serratus Posterior Inferior Muscles 0 Know function and where it is located on diagram 0 Origin 0 Spinous Process of T1112 and L13 Insertion 0 Courses upward and outward 0 Near angles of ribs 912 0 Function 0 Lowers ribs D Exhalation Muscles of the Neck and Torso Sternocleidomastoid Muscles Large lateral neck muscles Palpable can feel on side opposite of head turn Know all parts Origin 0 Anterior surface of sternum manubrium 0 Superior surface of the medial end of the clavicle Course 0 Up and back Insertion o Mastoid process of the temporal bone Innervation o XI Accessory Nerve Function 0 Head rotation o Raises ribs l Forced Inhalation when head is xed Scalene Muscles 0 Know function and location 0 Origin 0 Transvers process of C36 anterior C27 medial C57 Posterior Insertion 0 Rib 1 or 2 0 Function 0 Raise ribs 1 amp 2 D forced inhalation Latissimus Dorsi Massive back muscle Extends from hip to shoulder Know function and location Origin 0 Spinous process ofT 712 L 15 S 15 0 Crest of ilium o Slips from ribs 1012 Insertion 0 Upper humerus top muscle of arm 0 Function 0 Raises lower ribs D Forced Inhalation primary function 0 Compresses thorax D Exhalation Pectoralis Major Super cial to pectoralis minor muscles Broad origin along the sternum Funnels up and laterally to the arm Know function and location Origin 0 Anterior surface of sternum o Costal cartilage of true ribs 0 Sternal half of the clavicle Insertion o Humerus Function 0 Raises ribs D Forced Inhalation Pectoralis Minor Muscles Located immediately behind the pectoralis major Know function and location Origin 0 Body of ribs 35 Insertion o Coronoid process of the scapula smaller process FuncUon o Rises ribs D Forced Inhalation Subclavius Muscles Small muscles Know function and location Origin 0 Rib 1 amp costal cartilage Insertion 0 Lower border of clavicle FuncUon o Raises rib 1 D Forced InhaIation Muscles of Abdomen External Oblique Muscles Largest and most super cial of all abdominals Courses down and mediaIIy Know function and location Origin 0 Ribs 412 Insertion o IIiac crest o Abdominal aponeurosis tendon connection point FuncUon o Compress viscera lining of internal organs D ExhaIation Internal Oblique Muscles Lies below the external oblique muscles Course up and mediaIIy Know function and location Origin 0 IIiac crest Insertion o Abdominal aponeurosis o Ribs 812 FuncUon o Compress viscera D Exhalation Transverse Abdominis Muscles Below internal oblique Courses laterally Know function and location Origin 0 Iliac crest o Ribs 612 Insertion o Abdominal aponeurosis tendon FuncUon o Compresses viscera D Exhalation Rectos Abdominus Muscles Vertical course most medial super cial 0 Know function and location Origin 0 Pubic crest o Pubic symphysis Insertion o Ribs 57 0 Xiphoid process 0 Function 0 Lowers ribs 0 Compresses viscera gt Exhalation Review Muscles of Quiet Inhalation o Diaphragm 0 External intercostaIs 0 Internal intercostaIs Muscles of Forced Inhalation o Levatores Costarum Serratus Posterior Superior Sternocleidomastoid Scalenes Latissimus Dorsi Pectoralis Major Pectoralis Minor 0 Subclavius Muscles of Exhalation 0 Internal IntercostaIs o Transvers Thoracic 0 External Obliques 0 Internal Obliques OOOOOO Transverse Obliques Rectus Abdominus Serratus Posterior Inferior Latissimus Dorsi Physiology of Breathing Lung Volumes 4 0000 Tidal Volume 0 What we inhale and exhale during quiet inhalation o 10 of total lung capacity TLC Inspiratory Reserve Volume 0 Volume of air inhaled after quiet inhalation o 40 of TLC Expiratory Reserve Volume 0 Exhaling as much as you can forcibly after passive exhalation o 30 of TLC Residual Volume 0 Volume of air remaining in lungs after maximum exhalation o 20 of TLC Wi ALWAYS remain so lungs don39t collapse Lung Capacities 4 0 Combination of volumes measured in milliliters mL or cubic centimeters cc Vital capacity 0 80 o Tidal Volume Expiratory Reserve Volume Inspiratory Reserve Volume Inspiratory Capacity 0 50 o Inspiratory Reserve Volume Tidal Volume 0 Functional Residual Capacity 0 50 0 Residual Volume Expiratory Reserve Volume c Total Lung Capacity 0 Inspiratory Reserve Volume Functional Residual Capacity Tidal Volume