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28 Cards in this Set
- Front
- Back
Epicranius |
Origin: epicranial aponeurosis
Insertion: skin of the eyebrows
Action: raises eyebrows |
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Temporalis |
Origins: temporal fossa
Insertion: coronoid process of mandible
Actions: closes jaw; retracts mandible |
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Masseter |
Origins: zygomatic arch and maxilla
Insertions: angle and Ramos of mandible
Action: closes jaw |
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Sternocleidomastoid |
Origins: manubrium of sternum and medial clavicle
Insertion: mastoid process of temporal bone
Actions: neck flexion; rotates head towards shoulder |
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Orbicularis occuli |
Origins: frontal bone and maxilla
Insertions: encircles orbit; tissue of eyelid
Action: closes eye |
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Orbicularis oris |
Origin: muscles around mouth
Insertions: encircles mouth; corners of mouth
Action: closes lips |
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Rectus abdominis |
Origins: pubic crest and symphysis
Insertions: xiphoid process; costal cartilage of ribs 5-7
Actions: flexes and rotates vertebral column |
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Pectoralis major |
Origins: clavicle; sternum; cartilage of ribs 1-6
Insertion: intertubercular sulcus of humerus
Actions: flexes and adducts shoulder; medially rotates humerus |
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Pectoralis major |
Origins: clavicle; sternum; cartilage of ribs 1-6
Insertion: intertubercular sulcus of humerus
Actions: flexes and adducts shoulder; medially rotates humerus |
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External oblique |
Origins: anterior surface of last 8 ribs
Insertions: linea alba; pubic crest and tubercles; iliac crest
Actions: flexes and rotates vertebral column; compresses abdomen |
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Deltoid |
Origins: lateral clavicle; scrim ion and spine of scapula
Insertion: deltoid tuberosity of humerus
Action: shoulder abduction |
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Trapezius |
Origins: occipital bone; spine of c7; all thoracic vertebrae
Insertions: acromion and spine of scapula; lateral clavicle
Actions: raises, rotates, retracts, and stabilizes scapula |
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Latissimus dorsi |
Origins: spinous process of t7-L5 vertebrae; last 4 ribs; iliac crest
Insertion: intertubercular sulcus of humerus
Actions: extends, adducts, and medially rotates humerus |
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Subscapularis |
Origin: Subscapularis fossa of scapula
Insertion: lesser tubercle of humerus
Action: medially rotates humerus |
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Subscapularis |
Origin: Subscapularis fossa of scapula
Insertion: lesser tubercle of humerus
Action: medially rotates humerus |
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Supraspinatus |
Origin: supraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: abducts humerus; stabilizes shoulder |
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Infraspinatus |
Origin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: lateral rotation of humerus |
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Rhomboid minor |
Origins: spinous process of C7 and T1
Insertion: medial border of scapula
Actions: retracts and stabilizes scapula |
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Internal intercostals |
Origin: superior border of rib below
Insertion: inferior border of rib above
Action: depresses rib cage during forced expiration |
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External intercostals |
Origin: inferior border of rib above
Insertion: superior border of rib below
Action: elevates rib cage during inspiration |
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Serratus anterior |
Origins: lateral aspect of ribs 1-8
Insertion: vertebral border of anterior scapula
Action: protracts and rotates scapula |
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Pectoralis minor |
Origin: anterior surface of ribs 3-5
Insertion: coracoid process of scapula
Action: draws scapula forward and inferiorly |
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Rhomboid major |
Origin: spinous process of T2-T5
Insertion: medial border of scapula
Actions: retracts and stabilizes scapula |
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Transverse abdominis |
Origins: inguinal ligament; iliac crest; cartilage of last 6 ribs; lumbar fascia
Insertions: linea alba and pubic crest
Action: compresses abdomen |
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Teres minor |
Origin: lateral margin of scapula
Insertion: greater tubercle of scapula
Action: lateral rotation of humerus |
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Teres major |
Origin: posterior inferior angle of scapula
Insertion: intertubercular sulcus of humerus
Actions: extends, medially rotates, and adducts humerus |
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Diaphragm |
Origins: inferior border of rib and sternum, cartilage of last 6 ribs, lumbar vertebrae
Insertion: central tendon
Action: flattens to increase thoracic volume for inspiration |
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Internal oblique |
Origins: lumbar fascia, iliac crest, and inguinal ligament
Insertions: linea alba, pubic crest, and costal cartilage of last 3 ribs
Actions: flexes and rotates vertebral column; compresses abdomen |