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muscles - THE NECK STERNOCLEIDOMASTOID O sternum clavicles...

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THE NECK STERNOCLEIDOMASTOID O: sternum clavicles I: mastoid process A: flexion and rotation of neck TRAPEZIUS O: occipital protuberance I: acromion A: extension of neck DEEP BACK ERECTOR SPINAE: LONGISSIMUS ILIOCOSTALIS SPINALIS A: extension of trunk ANTERIOR ABDOMINAL WALL RECTUS ABDOMINUS O: inter pubis I: zyphoid process, costal cartilage A: flexion of trunk TRANVERSE ABDOMINUS A: first layer that keep organs inside/ helps with breathing/ back stability INTERNAL/ EXTERNAL OBLIQUE A: rotation of trunk POSTERIOR ABDOMINAL WALL ILIOPSOAS (psoas major) A: MAIN hip flexion INTERNAL INTERCOSTAL A: assist with breathing SCAPULAR STABILIZATION TRAPEZIUS O: occipital protuberance I: acromion, spine of scapula, spinous process, clavicle A: elevation, retraction and rotation of scapula RHOMBOIDS- O: t1-t7 spinous process I: medial border of scapula A: retraction of scapula LEVERTOR SCAPULAE O: transverse process c1-c4 I: superior angle of scapula A: elevation of scapula
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SERRATUS ANTERIOR O: ribs 1-9 I: sub scapular fossa A: protraction of scapula PECTORALIS MINOR O: rib 3-5 I: coracoid process A: depression of scapula ROTATOR CUFF SUPRASPINATUS O: superspinous fossa I: greater tuberosity A: fist 30 degree of ABduction of shoulder
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