Muscle Cards

Card Set Information

Author:
dmshaw9
ID:
295029
Filename:
Muscle Cards
Updated:
2015-02-08 18:19:59
Tags:
Muscle Cards
Folders:
I3 Review
Description:
Muscle Cards
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  1. Sternocleidomastoid
    • Origin: manubrium & clavicle
    • Insertion: mastoid process
    • Action: contralateral rotation
    • Nerve: CN 11
  2. Scalene Muscles
    • Anterior: 
    • Origin = C3-6 TP
    • Insertion = 1st Rib

    • Middle:
    • Origin = C2-7 TP
    • Insertion = 1st Rib

    • Posterior:
    • Origin = C4-6 TP
    • Insertion = 2nd Rib

    • Action = laterally flexes neck and elevates 1st/2nd rib
    • Nerve = C5-C8 Nerve Roots
  3. Trapezius
    • Origin: SP C7-T12
    • Insertion: Clavicle, scapula (spine, acromion)
    • Action: Elevate & rotate scapula
    • Nerve: CN11
  4. Latissimus Dorsi
    • Origin: SP T7-L5, iliac crest, thoracolumbar fascia
    • Insertion: Humerus
    • Action: Extend, adduct, IR arm
    • Nerve: Thoracodorsal
  5. Levator Scapulae
    • Origin: TP C1-4
    • Insertion: Scapula (superior/medial)
    • Action: Elevate scapula
    • Nerve: Dorsal Scapular, C3, C4 (dorsal rami)
  6. Rhomboid Major
    • Origin: SP T2-T5
    • Insertion: Scapula (Medial Border) 
    • Action: Adduct Scapula
    • Nerve: Dorsal Scapular
  7. Rhomboid Minor
    • Origin: SP C7-T1
    • Insertion: Medial Scapula (Spine)
    • Action: Adduct Scapula
    • Nerve:Dorsal Scapular
  8. Serratus Posterior
    • Origin: SP C7-T3 (superior) and SP T11-L3 (inferior)
    • Insertion: Ribs 2-5 (upper border) (superior) and ribs 9-12 (lower border) (inferior) 
    • Action: superior = elevate ribs, inferior = depress ribs
    • Nerve: Intercostal nerve (T1-4 for superior and T9-12 for inferior)
  9. Supraspinatus
    • Origin: supraspinatus fossa (scapula)
    • Insertion: greater tuberosity 
    • Action: shoulder abduction
    • Nerve: Suprascapular 
  10. Infraspinatus
    • Origin: infraspinatus fossa (scapula)
    • Insertion: greater tuberosity
    • Action: shoulder ER
    • Nerve: suprascapular 
  11. Teres Minor
    • Origin: lateral scapula
    • Insertion: greater tuberosity
    • Action: shoulder ER
    • Nerve: axillary
  12. Subscapularis 
    • Origin: subscapular fossa (scapula)
    • Insertion: lesser tuberosity
    • Action: IR, adduction
    • Nerve: upper and lower subscapular 
  13. Deltoid
    • Origin: clavicle, acromion, spine of scapula
    • Insertion: deltoid tuberosity of humerus
    • Action: abduction
    • Nerve: axillary 
  14. Teres Major
    • Origin: inferior angle of scapula
    • Insertion: humerus (intertubercular groove)
    • Action: IR, adduction
    • Nerve: lower subscapular 
  15. Pectoralis Major
    • Origin: clavicle and sternal heads 
    • Insertion: humerus (intertubercular groove) 
    • Action: adduction and IR
    • Nerve: lateral and medial pectoral 
  16. Pectoralis Minor
    • Origin: ribs 3-5
    • Insertion: coracoid process of scapula
    • Action: stabilizes scapula
    • Nerve: medial pectoral
  17. Serratus Anterior
    • Origin: ribs 1-8 (lateral)
    • Insertion: scapula (ant/med border)
    • Action: holds scapula to chest wall
    • Nerve: long thoracic 
  18. Subclavius
    • Origin: rib 1 and costal cartilage
    • Insertion: clavicle
    • Action: depress clavicle
    • Nerve: nerve to subclavius

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