forg muscles oia Flashcards
Pterygoid
O: Frontal region of Skull
I: Mandible
A. Elevates mandible
Temporal
O: Tympanic bone of skull
I: Mandible
A: Flexes mandible
Masseter
O: Zygomatic process of tympanic bone of skull
I: Mandible
A: Elevates mandible
Depressor mandibulae
O: Junction of neck and skull
I: Mandible
A: Lowers mandible to open mouth
Adductor mandibulae
O: Junction of neck and skull
I: Mandible
A: Elevates mandible to close mouth
Trapezius
O: Otic region of skull
I: Anterior edge of scapula
A: Rotates head and bends neck
Mylohyoid
O: Medial surface of mandible
I: Middle line of mandible
A: Raises floor of mouth cavity
Submental
O: Mandible
I: Mandible
A: Approximates two rami of lower jaw
Hypoglossus
O: Hyoid
I: Tongue
A: Retracts tongue
Geniohyoid
O: Middle line of mandible
I: Posterior end of hyoid
A: Elevates hyoid and lowers mandible
Sternohyoid
O: Dorsal side of sternum, coracoid, and clavicle
I: Hyoid
A: Draws shoulder forward
Genioglossus
O: Mandible
I: Tongue
A: Protracts tongue
External oblique
O: Dorsal fascia and ilum
I: Xiphisternum and posterior border of the scapula
A: Support and tenses abdomen, depresses or retracts the scapula
Cutaneous abdominis
O: Pubic symphysis
I: Fascia of skin near ilium
A: Tensor of skin near the back
Coccygeoiliacus
O: Urostyle
I: Ilium
A: Approximates urostyle to ilium