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19 Cards in this Set
- Front
- Back
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Orbicularis oculi |
Origin: frontal andmaxillary bones Insertion: inside of eyelid
Action: closes eyes |
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Orbicularis oris |
Origin: maxillary bone andmandible Insertion: skin and muscle around mouth Action: close mouth, protrude lips |
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Masseter |
Origin: zygomatic arch andmaxillary bone Insertion: angle and ramus of themandible Action: elevate the mandible |
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Sternocleidomastiod |
Origin: manubrium of thesternum and the clavicle Insertion: mastoid process of thetemporal bone Action: bilateral contraction/flexingthe neck forward AND unilateral contraction/nodding head and moving head sideto side |
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Erector spinae group |
Origin: iliac crest,transverse processes of all vertebraes and/or ribs 3-6 Insertion: ribs and transverseprocesses of vertebrae about 6 segments above origin Action: extends and laterally rotatesthe vertebral column |
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External intercostals |
Origin: inferior border ofeach rib Insertion: superior border of each ribbelow Action: pulls ribs to elevate thoraciccage to do respiration |
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Internal intercostals |
Origin: superior border ofeach rib Insertion: inferior border of each ribabove Action: draw ribs together to depressthorax, exhale/expiration |
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Diaphragm |
Origin: xiphoid process ofsternum, costal cartilage of last 6 ribs and lumbar vertebrae Insertion: central tendon of diaphragm Action: increase volume of thoraciccavity |
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Rectus abdominis |
Origin: pubic crest andsymphysis Insertion: xiphoid process and costalcartilages of ribs 5-7 Action: flexes and rotates vertebralcolumn |
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External oblique |
Origin: ribs 4-12 Insertion: iliac crest, linea alba, pubiccrest and tubercles Action: flexes and rotates vertebralcolumn |
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Internal oblique |
Origin: illac crest, lumbarfascia Insertion: linea alba, pubic crest,costal cartilages of ribs 9-12 Action: flexes and rotates vertebralcolumn |
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Pectoralis major |
Origin: clavicle, sternum,cartilage of ribs 2-6 Insertion: short tendon that insertsinto intertubercular groove of humerus Action: flexes, abducts, mediallyrotates the arm at the shoulder |
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Deltoid |
Origin: acromion and spineof scapula, lateral third of clavicle Insertion: deltoid tuberosity ofhumerus Action: abduction of arm at theshoulder |
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Subscapularis |
Origin: subscapular fossa Insertion: lesser tubercle of humerus Action: medially rotates arm |
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Levator scapulae |
Origin: transverse processesof first 4 C vertebrae Insertion: vertebral border of scapula Action: elevate scapula |
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Trapezius |
Origin: occipital bone,ligamentum nuchae, spines of C7 and T vertebrae Insertion: acromion and spinous processof scapula, lateral third of clavicle Action: extend neck, rotate and abductscapula, elevates or depresses scapula |
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Latissmus dorsi |
Origin: spinous processes oflower 6 T vertebrae, all L vertebrae, ribs 8-12 and lumbodorsal fascia Insertion: intertubercular groove ofhumerus Action: extend, abduct, mediallyrotates shoulder |
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Supraspinatus |
Origin: supraspinous fossaof scapula Insertion: greater tubercle of humerus Action: abducts armtion |
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Infraspinatus |
Origin: infraspinous fossaof scapula Insertion: greater tubercle of humerus Action: lateral rotation of arm |
