shoulder and arm review. pectoralis major o: clavicle, sternum, upper ribs i: humerus a: pulls arm...
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![Page 1: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/1.jpg)
Shoulder and Arm Review
![Page 2: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/2.jpg)
Pectoralis Major
• O: Clavicle, sternum, upper ribs
• I: Humerus
• A: Pulls arm anteriorally (across chest), adducts arm
![Page 3: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/3.jpg)
Teres Major
• O: Scapula
• I: Humerus
• A: Adducts arm, rotates arm medial
![Page 4: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/4.jpg)
Teres Minor
• O: Scapula
• I: Humerus
• A: Rotates arm laterally, lift arm backwards
![Page 5: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/5.jpg)
![Page 6: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/6.jpg)
Latissimus Dorsi
• O: Sacral, thoracic, Lumbar, ribs, ilium
• I: humerus
• A: Adduction of the arm, pulls shoulder downward and posterior
![Page 7: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/7.jpg)
Deltoid
• O: Scapula, clavicle
• I: Humerus
• A: Abducts humerus,
![Page 8: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/8.jpg)
Biceps Brachii
• O: Scapula (x2)
• I: Radius, Fascia (radioulnar joint)
• A: Flexes at elbow, rotates hands lateral
![Page 9: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/9.jpg)
Brachialis
• O: Humerus
• I: Ulna
• A: Flexes • forearm • at elbow
![Page 10: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/10.jpg)
Brachioradialis
• O: Humerus
• A: Radius
• I: Flexes • forearm • at elbow
![Page 11: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/11.jpg)
Triceps Brachii
• O: Humerus, scapula, scapula
• I: Ulna
• A: Extends forearm at elbow
![Page 12: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/12.jpg)
Flexors
• Actions:
• Flex the wrist
![Page 13: Shoulder and Arm Review. Pectoralis Major O: Clavicle, sternum, upper ribs I: Humerus A: Pulls arm anteriorally (across chest), adducts arm](https://reader036.vdocuments.site/reader036/viewer/2022062408/56649ef65503460f94c0aa6b/html5/thumbnails/13.jpg)
Extensors
• Action:• Extends Wrist