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Neck, Pecs, and Abs

Neck, Pecs, and Abs. O: sternum, clavicle I: Mastoid Process A: Pulls head side to side, raises sternum. Sternocleidomastoid. O: Cervical and thoracic vertebrae I: Mastoid process A: Rotates head, head side to side, or just straighten head. Splenius Capitis.

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Neck, Pecs, and Abs

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  1. Neck, Pecs, and Abs

  2. O: sternum, clavicle I: Mastoid Process A: Pulls head side to side, raises sternum Sternocleidomastoid

  3. O: Cervical and thoracic vertebrae I: Mastoid process A: Rotates head, head side to side, or just straighten head Splenius Capitis

  4. O: Cervical and thoracic Vertebrae I: Occipital Bone A: Extends head Semispinalis Capitis

  5. Pectoralis Girdle

  6. O: Occipital bone, cervical and thoracic vertebrae I: Clavicle, scapula A: Rotates scapula, raises arms, scapulamedial, down Trapezius

  7. O: Thoracic Vert. I: Scapula A: Raises and adducts scapula Rhomboideus Major

  8. O: Cervical Vert. I: Scapula A: Elevates scapula Levator Scapulae

  9. O: Outer surface of ribs I: VENTRAL surface of the scapula A: Pulls Scapula anterior and downward Serratus Anterior

  10. O: Sternal end of ribs I: Coracoid process of the scapula A: Pulls scapula anteriorly, raises ribs Pectoralis Minor

  11. Abdominal Wall

  12. O: Lower ribs I: Ilium and linea alba A: Tenses abdominal wall, rotates torso External Oblique

  13. O: Crest of ilium, I: ribs, linea alba, pubis A: Tenses abdominal wall O: Crest of ilium, I: ribs, linea alba, pubis A: Tenses abdominal wall Internal Oblique

  14. O: Lower ribs, lumbar vert. ilium I: Linea alba, pubis A: Tenses abdominal wall Transverse Abdominus

  15. O: Pubis I: Xiphoid, costal cartilage A: Tenses abdominal wall, flexes spine. Rectus Abdominis

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