big ass bug of the week

Now I know living in a “wooded” area has its fair share of bugs and what not. And I also know living in the desert most of my life I have lived without seeing most of these joys of nature. But good God do they give you a fright sometimes.

take this little gem of a spider

spider

Now I am sure he means well but look at that thing! When you get up to grab a drink you dont expect to see gigantor on your wall. Well at least i dont expect to see it. I am sitting here looking over some muscles am bam! there he is!

Muscles I am looking over:

Rectus Abdominis

            Origin:             Pubic symphysis
            Insertion:         Xiphoid process, 5th-7th costal cartilages

Innervation:     Thoracoabdominal nerves and anterior rami of inferior thoracic nerves

Action:            Flexes trunk

External Oblique

            Origin:             5th-12th ribs

            Insertion:         Linea alba, pubic tubercle, iliac crest

            Innervation:    Thoracoabdominal nerves and subcostal nerve

            Action:             Flexes and rotates trunk

Internal Oblique

            Origin:             Thoracolumbar fascia, iliac crest

            Insertion:         10th-12th ribs, linea alba, pubis

            Innervation:     Thoracoabdominal nerves and subcostal nerve

            Action:            Flexes and rotates trunk

Transversus Abdominis

Origin:             7th-12th costal cartilages, thoracolumbar fascia, iliac crest, inguinal ligament

Insertion:         linea alba, pubic crest

Innervation:     Thoracoabdominal, subcostal, and first lumbar nerves

Action:            Compresses


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