Unit 5 Muscular System Part 2 ANPH 209 PDF

https://humanbiology.pressbooks.tru.ca/chapter/14-2-introduction-to-the-muscular-system/ https://humanbiology.pressbooks.tru.ca/chapter/14-3-types-of-muscle-tissue/  Refer to your textbook for the description and example of each...

https://humanbiology.pressbooks.tru.ca/chapter/14-2-introduction-to-the-muscular-system/ https://humanbiology.pressbooks.tru.ca/chapter/14-3-types-of-muscle-tissue/  Refer to your textbook for the description and example of each   Tilts head forward = neck flexion (bilateral) Tilts head backward = neck extension (bilateral) Neck rotation = ipsilateral or contralateral Lateral neck flexion (unilateral) Individually = Unilateral – only muscle on one side, either left or right, not both Bilateral – both left and right muscle contract together at the same time   Insertion: Mastoid process Temporal bone Origin: Sternal head: Manubrium of sternum Clavicular head: Medial clavicle  M A P  Moore KL, Clinically oriented anatomy. Wolters Kluwer  Middle Moore KL, Clinically oriented anatomy. Wolters Kluwer    Regions: Capitis I Love Standing Cervicis Thoracis Iliocostalis Lumborum Longissimus Spinalis  http://corewalking.com   C1 C2 C3 C4 C1 C2 C3 C4 Moore KL, Clinically oriented anatomy. Wolters Kluwer  Inferior angle Moore KL, Clinically oriented anatomy. Wolters Kluwer  °    Inferior angle NOT part of the Rotator cuff!!!     Greater tubercle Lesser tubercle NOT greater tubercle = Error in Figure 11.24  Subclavius: Depress clavicle to stabilize sternoclavicular joint  3 Parts – Ant., middle & post. fibres °   Coracoid process Midshaft of humerus  2 Heads Supraglenoid tubercle Coracoid process Intertubercular sulcus Bicipital aponeurosis Radial tuberosity  Ulnar tuberosity Distal humeral shaft  Infraglenoid tubercle Anconeus: Assist with extension at elbow    All originate from MEDIAL EPICONDYLE OF HUMERUS  Med. epicondyle Coronoid process Radius midshaft  Med. epicondyle Metacarpal bases 2 & 3  Med. epicondyle Palmar aponeurosis  Med. epicondyle Olecranon & post. ulna Pisiform bone Do NOT mix up adduct and abduct  Med. epicondyle Coronoid Sup. Radius Wrist joint MCP joint IP joint Middle phalanges   Ulna Interosseous membrane MCP joint IP joint Distal phalanges  Interosseous membrane Radius MCP joint IP joint Distal phalanx 1  Ulna Radius  Common origin: Lateral supra- epicondylar line & lateral epicondyle of humerus   Lat. supracondylar ridge Lat. epicondyle Wrist joint Wrist joint 3rd Metacarpal 2nd Metacarpal  Lat. epicondyle Wrist joint MCP joint IP joint 2nd – 5th Phalanges  Lat. epicondyle Wrist joint MCP joint 5th Phalanx  Lat. epicondyle Post. border ulna Wrist joint 5th Metacarpal    1st Metacarpal 1ST Phalanx  2nd Phalanx  Thenar Hypothenar Midpalmar  1st Phalanx   Singular: Interosseous Plural: Interossei DAB = Dorsal – ABduction PAD = Palmar - ADduction Proximal phalanx