Stack #60676, week 8 Word Scramble
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muscle | origin | insertion | action | nerve |
Semispalis capitis | transverse processes of f T1- T6 or T7 and C7 vertebrae; articular processes of C4, C5, and C6 | occipital bone | acting together, extend head; acting singly, rotate head to side OPPOSITE contracting muscle | cervical and thoracic spinal nerves |
Semispinalis cervicis | transverse processes of superior 5 or 6 thoracic (T1-T5 or T6) | spinous processes of C1 to C5 | acting together, both semispinalis cervicis and both semispinalis thoracis muscles extend vertebral column of their region, acting singly, rotate head to side OPPOSITE contracting muscle | cervical and thoracic spinal nerves |
Semispinalis thoracis | transverse processes of T6 to T10 | spinous processes of superior 4 thoracic and last 2 cervical vertebrae | acting together, both semispinalis cervicis and both semispinalis thoracis muscles extend vertebral column of their region, acting singly, rotate head to side OPPOSITE contracting muscle | thoracic spinal nerves |
Rectus abdominus | pubic crest and pubic symphysis | cartilage of 5-7 ribs and xiphoid process | flexes vertebral column, especially lumbar portion, compresses abdomen to aid in defacation, urination, forced eshalation, and childbirth | thoracic spinal nerves T7-T12 |
Transversus abdominus | iliac crest, inguinal ligament, lumbar fascia, and cartilages of inferior 6 ribs | xiphoid process, linea alba, and pubis | compresses abdomen | thoracic spinal nerves T8-T12, iliohypgastric nerve and ilioinguinal nerve |
Created by:
sandy
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