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26 Cards in this Set
- Front
- Back
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Epicranius- frontal belly |
Origin: Epicranial aponeurosis Insertion: skin of eyebrows Action: raises eye brows |
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Orbicularis oculi |
Origin: Frontal and maxillary bones Insertion: encircles orbit; inserts into tissue of eyelid Action: closes eye |
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Orbicularis Oris |
Origin: Muscles around mouth Insertion: encircles mouth, inserts into corners of mouth Action: closes lips |
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Masseter |
Origin: Zygomatic arch and maxilla Insertion: angle of ramus and mandible Action: closes jaw |
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Temporalis |
Origin: Temporal fossa Insertion: coronoid process of mandible Action: closes jaw; retracts mandible |
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Sternocleidomastoid |
Origin: manubrium of sternum and medial clavicle Insertion: mastoid process of temporal bone Action: neck flexion; rotates head towards shoulder to opposite side |
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Pectoralis Major |
Origin: clavicle, sternum, cartilage of ribs Insertion: intertubercular sulcus of humerus Action: felxes and adducts shoulder; medially rotates humerous |
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Serratus anterior |
Origin: lateral aspect of ribs Insertion: vertebral border of anterior scapula Action: protracts and rotates scapula |
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Deltoid |
Origin: lateral clavicle, acromion and spine of scapula Insertion: deltoid tuberosity of humerous Action: shoulder abductions |
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Pectoralis Minor |
Origin: anterior surface of ribs Insertion: coracoid process of scapula Action: draws scapula forward and inferiorly |
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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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Internal intercostals |
Origin: superior border of rib below Insertion: inferior border of rib below Action: depresses rib cage during forced expiration |
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Diaphragm |
Origin: Inferior border of rib and sternum, cartilage of last 6 ribs and lumbar vertebrae Insertion: central tendon Action: flattens to increase thoracic volume for inspirtation |
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Rectus Abdominis |
Origin: pubic crest symphysis Insertion: Xiphoid process and costal cartilage of ribs Action: flexes and rotates vertebral column |
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External Oblique |
Origin: Anterior surface of last 8 ribs Insertion: linea alba, pubic crest, illiac crest Action: flexes and rotates vertebral column, compresses abdomen |
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Internal oblique |
Origin: lumbar fascia, iliac crest, inguinal ligament Insertion: linea alba, pubic crest, cartilage of last 3 ribs Action: compresses abdomen and rotates vertebral column |
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Transverse Abdominis |
Origin: inguinal ligament, iliac crest, caritlage of last 6 ribs Insertion: linea alba and pubic crest Action: compresses abdomen |
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Trapezius |
Origin: occiptal bone, spine of C7 Insertion: acromion and spine of scapula Action: raises, rotates, retracts and stabilizes scapula |
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Latissimus Dorsi |
Origin: spinous processes Insertion: interubercular sulcus of humerous Action: extrends, adducts and medially rotates humerous |
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Infraspinatus |
Origin: infraspineous fossa of scapula Insertion: greater tubercle of humerous Action: lateral rotation of humerous |
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Teres minor |
Origin: Lateral margin of scapula Insertion: greater tubercle of humerous Action: lateral rotation of humerous |
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Teres Major |
Origin: posterior inferior angle of scapula Insertion: intertubercular suclus of humerous Action: extends, medially rotates and adducts humerous |
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Subscapularis |
Origin: subscapular fossa of scapula Insertion: lesser tubercle of humerous Action: medially rotates humerous |
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Supraspinatus |
Origin: supraspineous fossa of scapula Insertion: greater tubercle of humerous Action: abduct humerous, stabalizes shoulder |
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Rhomboid minor |
Origin: spineous processes of C7 and T1 Insertion: medial border of scapula Action: retracts and stablizes scapula |
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Rhomboid major |
Origin: spineous processes of T2 - T5 Insertion: medial border of scapula Action: retracts and stabilizes scapula |
