| Term | Definition |
|---|
| masseter D | powerful muscle that covers lateral aspect of mandibular ramus |
| masseter O | zygomatic arch and zygomatic bone |
| masseter I | angle and ramus of mandible |
| masseter A | prime mover of jaw closure |
| temporalis D | fan-shaped muscle that covers parts of the temporal, frontal, and parietal bones |
| temporalis O | temporal fossa |
| temporalis I | coronoid process of mandible via a tendon that passes deep to zygomatic arch |
| temporalis A | closes jaw |
| sternocleidomastoid D | 2-headed muslce located deep to platysma on anterolateral surface of neck |
| sternocleidomastoid O | manubrium of sternum and medial portion of clavicle |
| sternocleidomastoid I | mastoid process of temporal bone and superior nuchal line of occipital bone |
| sternocleidomastoid A | flexes and laterally rotates the head |
| rectus abdominis D | medial muscle pair |
| rectus abdominis O | pubic crest and symphysis |
| rectus abdominis I | xiphoid process and costal cartilages of ribs 5-7 |
| rectus abdominis A | flex and rotate lumbar region of vertebral column |
| external oblique D | largest and most superficial of the 3 lateral muscles |
| external oblique O | by fleshy strips from outer surfaces of lower 8 ribs |
| external oblique I | most fibers insert into linea alba via a broad aponeurosis |
| external oblique A | flex vertebral column and compress abdominal wall, trunk rotation and lateral flexion |
| internal oblique D | most fibers run superiorly and medially |
| internal oblique O | lumbar fascia, iliac crest, and inguinal ligament |
| internal oblique I | linea alba, pubic crest, last 3 or 4 ribs and costal margin |
| internal oblique A | as for external oblique |
| transversus abdominis D | deepest (innermost) muscle of abdominal wall |
| transversus abdominis O | lumbar fascia, iliac crest, and inguinal ligament |
| transversus abdominis I | linea alba, pubic crest |
| transversus abdominis A | compresses abdominal contents |
| diaphragm D | broad muscle pierced by the aorta, inferior vena cava, and esophagus |
| diaphragm O | inferior internal surface of rib cage and sternum |
| diaphragm I | central tendon |
| diaphragm A | prime mover of inspiration, flattens on contraction |
Combine with other sets
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