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Muscles 1-31
Stack #207906
| Question | Answer |
|---|---|
| c3-c6 to first rib, opens rib cage (raises first rib) and laterally flexes/rotates the neck, cervical spinal nerve | scalenus anterior |
| trans process c2-c6 to first rib, opens rib cage(rasies first rib) and laterally flexes/rotates the neck, cervical spinal nerve | scalenus medius |
| trans process c5-c7 to 2nd rib, raises second rib and laterally flexes neck | scalenus posterior |
| from sternum or clavicle (2 origins) to mastoid process, laterally flexes neck and flexes head forward/opp side rotator, spinal accessory nerve | sternocleidomastoid |
| moves skin and pulls down mandible, large muscle covering neck | platysma |
| keep the body erect, most lateral | erector spinae: iliocostalis cervicis/thosacis/lumborum |
| keep body erect more medial than iliocostalis | erector spinae: longissimus capitis/cervicis/thoracis |
| keep body erect, most medial | erector spinae: spinalis capitis/cervicis/thoracis |
| extend and rotate each vertebrae seperately | transversospinalis: semispinalis capitis/cervicis/thoracis |
| run from vertebrae to vertebrae and rotate the vertebrae | multifidis |
| rotate vertabrae | rotatores |
| run from upper 11 ribs to the rib right below origin, open rib cage | external intercostals |
| run from rib to rib, close the rib cage | internal intercostals |
| lower 8 ribs to abdominal aponeurosa, laterally flex and rotates trunk | external obliques |
| inguinal ligament to bottom 3/4 ribs and abdominal aponeurosa, laterally flex and rotate trunk | internal obliques |
| wraps around abdomin (inguinal ligament to abdominal aponuerosa) , compresses abdominal cavity | transversus abdominis |
| pubic symphysis to 5-7th ribs and xiphoid process, flexes trunk | rectus abdominis |
| iliac crest to 12th rib and lower 4 lumbar vertebrae, laterally flexes trunk, holds down ribs during expiration | quadratus lumborum |
| increases/decreases volume of thoracic cavity | diaphragm |
| nuchal line of skull/all spinous processes to lateral third of the clavicle, elevates scapula/upwardly rotates scapula, accessory nerve | upper trapezius |
| nuchal line of skill/ all spinous processes to spine and acromion of scapula, retracts scapula, accessory nerve | middle trapezius |
| nuchal lines of skull and all spinous processes to spine of scapula, depresses scapula/upward rotation of scapula, accessory nerve | lower trapezius |
| lower 6 thoracic vertebrae, lumbar and sacrum to bicepital groove, extends/adducts/medially rotates arm, thoracodorsal nerve | latissimus dorsi |
| c2-c5 to medial border of scapula, retracts and downwardly rotates scapula, dorsal scapular nerve | rhomboideus major |
| c7-t1 to medial border of scapula, retracts and downwardly rotates scapula, dorsal scapular nerve | rhomboideus minor |
| trans process c1-c4 to medial border of scapula, elevates scapula, dorsal scapular nerve | levator scapulae |
| clavicle or sternum ( 2 origins) to humerus (lower lip of bicepital groove below greater tubercle), adduct/medially rotates arm, also flexes (claivular) and extends (sternal) arm, medial and lateral pectoral nerves | pectoralis major |
| riibs 3-5 to coracoid process of scapula, draws scpula forward and down (downward rotation), medial pectoral nerve | pectoralis minor |
| first 8 or 9 ribs, runs under scapula to anterior medial border of scapula, protracts scapula, and upward rotation, long thoracic nerve | serratus anterior |
| upward rotators (3) | upper traps, lower traps, and serratus anterior |
| 3 parts (ant/post/middle): from clavicle/spine/acromion of scapula to deltiod tuberosity, flexion/extension/abduction of arm, axillary nerve | deltiod |
| subscapular fossa to lesser tubercle of humerus, medially rotates arm and stabilizes shoulder, upper and lower subscapular nerve | subscapularis |
| supraspinous fossa of scapula to greater tubercle, helps with abduction, pulls humerus into glenoid, suprascapular nerve | supraspinatus |
| infraspinous fossa of scapula to greater tubercle of humerus, external rotation, pulls humerus into glenoid, suprascapular nerve | infraspinatus |
| axillary border of scapula to greater tubercle, lateral rotation and pulls humerus into glenoid, axillary nerve | teres minor |
| posterior surface of lateral border of scapula to medial side of bicepital groove, medially rotates/adducts/ and extends arm, lowr subscapular nerve | teres major |
| medial rotators (4) | subscapularis, pectoralis major, deltiod, teres major |
Created by:
stevielee
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