Axial and Appendicular Skeletal Muscles
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Created by:
jackieperez on October 13, 2009
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24 terms
Latin | English |
|---|---|
| Temporalis |  Origin: Parieral bone / Insertion: Mandible / Action: elevates & retracts Mandible |
| Masseter | Origin:Zygomatic bone / Insertion: mandible / Action: Prime mover, elevates mandible |
| Digastric Anteriror Belly | Origin: Mandible / Insertion: Hyoid Bone / Action: Depresses mandible & elevates Hyoid bone |
| Digastric Posterior Belly | Origin: Mastoid process of temporal bone / Insertion: Hyoid Bone / Action: Depresses mandible & elevates Hyoid bone |
| Mylohyoid | Origin: Mandible / Insertion: Hyoid bone / Action: elevates hyoid bone |
| Sternohyoid | Origin:Cervical vertabrae / Insertion: Hyoid bone / Action: depresses Hyoid bone |
| Scalenes | Origin: cervical vertabrae / Insertion:1st & 2nd ribs / Action: Elevates ribs during forces inhalation |
| Sternocleidomastoid (Clavicular head) | Origin: Clavical / Insertion: Mastoid process of Temporal bone / Action: Flex neck, bends lateral flexion and rotates head to the side. |
| Sternocleidomastoid (Sternal head) | Origin: Manubriun / Insertion: Mastoid process of Temporal bone / Action: Flex neck, bends lateral flexion and rotates head to the side. |
| Splenius Capitis | Origin: Cervical Vertabrae / Insertion: Occipital bone / Action: bilateral: extends head/neck |
| Esternal Intercostals | Origin: Inferior border of superior rib / Insertion: superionr border of inferior rib / Action: Elevates ribs |
| Internal Intercostals | Origin: superior border of inferior fib / Insertion: Inferior border of superior rib / Action: Depress ribs |
| Diaphragm | Origin: inner surface of chest wall / Insertion: Central tendon / Action: Expands thoracic cavity & compresses abdominopelvic cavity |
| External Oblique | Origin: Inferior 8 Ribs / Insertion: linea alba / Action: Flex vertebral column & compresses abdomen, lateral flexion of vertebral column. |
| Internal Oblique | Origin: Ilica crest / Insertion: Ribs, linea alba, & pubis / Action: Flex vertebral column & compresses abdomen, lateral flexion of vertebral column. |
| Transversus Abdominis | Origin: Ribs 7 iliac crest / Insertion: Linea alda & pubis / Action: Flex vertebral column & compresses abdomen, lateral flexion of vertebral column. |
| Rectus Abdominis | Origin: Pubic symphysis / Insertion: Ribs & xiphoid process / Action: Compresses abdomen & flexes vertebral column |
| Erector Spinae | Origin: N/A / Insertion: N/A / Action: Extends neck and vertebral column |
| Pectoralis Minor | Origin: ribs 3-5 / Insertion: Coracoid process of scapula / Action: depresses shoulder |
| Sarratus Anterior | Origin: ribs 1-8 / Insertion: Medial border of scapula / Action: prime mover: protracts scapula |
| Trapezius | Origin: Occipital bone & thoracic vertabrae / Insertion: Clavicle & Scapula / Action: |
| Levator Scapulae | Origin: cervical vertabre / Insertion: medial border of scapula / Action: Elevates scapula |
| Rhomboid Major | Origin: superioe thoracic vertabrae / Insertion: Medial border of scapula / Action: Retracts (adducts) scapula |
| Rhomboid Minor | Origin: C7-T1 / Insertion: Medial border od scapula / Action: Retracts (adducts) scapula |
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