Anterior Muscles of the Spine

Anterior Muscles of the Spine - Anterior Muscles of the...

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Anterior Muscles of the Spine MUSCLE FROM TO ACTION Prevertebral muscles in the cervical region Act to flex the head and neck and rotate it to the opposite side (when a muscle works unilaterally) Hyoid muscles Act to flex the head and neck Abdominal muscles 1. Obliquus Externus Abdominus (external obliques) 2. Obliquus Internus Abdominus (internal obliques) 3. Rectus Abdominus 4. Transverse Abdominus 1. anterior ½ of iliac crest; apponeurosis from ribs to crest of pubis 2. inguinal ligament, crest of ilium, thoracolumbar facia 3. crest of pubis 4. thoraco lumbar fascia 1. lower border of lower 8 ribs 2. anterior and middle fibers go to the crest of pubis and aponeurosis on front of body; lateral fibers go to the cartilage of the lower three ribs 3. cartilage of the 5 th , 6 th , and 7 th ribs 4. linea alba 1. line of pull is up and out from the midline; both left and right muscles form a "V"; both together flex the thoracic and lumbar spine; one side (with the other anterior, lateral, or posterior muscles on the same side) flexes the spine laterally;
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This note was uploaded on 09/25/2010 for the course EXS 31757 taught by Professor Brennan during the Spring '10 term at Oakland University.

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Anterior Muscles of the Spine - Anterior Muscles of the...

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