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25 Cards in this Set
- Front
- Back
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orbicularis oculi
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O: frontal bone, medial palpebral ligament; lacrimal bone
I: lateral palpebral raphe closes eyelids |
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orbicularis oris
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origin: maxilla and mandible
insertion: skin around lips "kissing muscle" puckers lips |
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buccinator
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O: alveolar process of maxillary bone and mandible
I: orbicularis oris compresses cheeks against teeth, assists in chewing, blowing muscles |
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masseter
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O: zygomatic arch and maxilla
I: coronoid process and ramus of mandible elevation and protraction of mandible |
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temporalis
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O: temporal lines on parietal bone
I: coronoid process of mandible elevation and retraction of mandible |
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medial pterygoid
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O: lateral pterygoid plate behind upper teeth
I: angle of mandible elevates mandible, closes jaw, moves jaw side to side |
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lateral pterygoid
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O: great wing of sphenoid and pterygoid plate
I: condyle of mandible protrude mandible, side to side movement |
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platysma
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O: subcutaneous tissue of infraclavicular & supraclavicular regions
I: base of mandible, skin of cheek and lower lip draws corners of the mouth inferiorly and widens it, expressions |
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sternocleidomastoid
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O: manubrium sterni, medial portion of the clavicle
I: mastoid process of the temporal bone, superior nuchal line tilts head, rotates so face turned towards opposite side |
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scalenes
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O: cervical vertebrae
I: fist and second ribs elevate ribs 1 & 2 |
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digastric
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O: mandible and mastoid process of temporal bone
I: hyoid bone opens jaw and masseter and temporalis are relaxed |
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mylohyoid
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O: mandible
I: body of hyoid bone, median raphe raise oral cavity floor, elevates hyoid, tongue movement, depresses mandible |
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sternothyroid
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O: manubrium of sternum
I: thyroid cartilage depresses thyroid cartilage |
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sternohyoid
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O: manubrium of sternum
I: hyoid bone depresses hyoid |
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thyrohyoid
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O: thyroid cartilage of larynx
I: hyoid bone elevates thyroid, depresses hyoid |
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omohyoid
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O: upper border of the scapula
I: hyoid bone depresses larynx and hyoid bone |
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pectoralis major
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O: clavicle, sternum
I: intertubercular groove of humerus adducts and rotates humerus, flexes and extends |
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pectoralis minor
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O: third to fifth ribs, near costal cartilage
I: medial border and superior surface of coracoid process of scapula stabilizes scapula |
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external intercostal muscles
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O: lower border of ribs
I: upper border of ribs inhalation |
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internal intercostal muscles
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O: inferior border of rib
I: superior border of rib hold ribs steady |
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diaphragm
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O: Sternal: inner part of ziphoid process
Coastal- inner surface of lower 6 ribs Lumbar- upper 2-3 lumbar vertebrae I: central tendon breathing |
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rectus abdominis
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O: pubis
I: costal cartilage of ribs 5-7, xiphoid process of sternum flexion of trunk/lumbar vertebrae |
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external oblique
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O: lower 8 costae
I: iliac crest of ilium rotates torso |
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internal oblique
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O: Lateral inguinal ligament, anterior iliac crest, thoracolumbar aponeurosis
I: Cartilage of lower 3-5 ribs (7-12), abdominal aponeurosis to linea alba compresses abdomen, rotates vertebral column to same side |
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transverse abdominis
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O: iliac crest, inguinal ligament
I: xiphoid process, linea alba, pubis compresses abdomen |
