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
Iliolumbaris/Iliolumbar
O: Sacrum and ilium
I: Transverse processes of middle vertebrae
A: Flexes and extends vertebral column
Longissimus Dorsi
O: Urostyle
I: Back part of vertebrae and skull
A: Elevates head and extends back
Latissimus dorsi
O: Ventral face of dorsal fascia
I: Humerus
A: Elevates, retracts, and rotates humerus
Dorsalis scapulae
O: Dorsal side of scapula and suprascapula
I: Humerus
A: Rotates and elevates humerus
Anal sphincter
O: Urostyle
I: Around cloaca
A: Constricts vent
Internal oblique
O: Ilium and vertebrae
I: Xiphisternum
A: Tenses abdominal wall
Sternoradialis
O: Sternum
I: Radio-ulna
A: Draws arm forward
Cutaneous pectoralis
O: Xiphisternum
I: Ventral skin
A: Tenses skin
Pectoralis
O: Coracoid and border of epicoracoid
I: Crest of the humerus
A: Flexes, adducts, and rotates the arm
Rectus abdominis
O: Pubic joint
I: Dorsal face of Xiphisternum
A: Depresses sternum
Transversus
O: Ilium and vertebrae
I: Linea alba
A: Supports abdominal viscera
Deltoid
O: Coracoid, clavicle, & scapula
I: Crest of humerus
A: Protracts and retracts humerus
Biceps femoris
O: Posterior part of Ilium
I: Proximal end of tibiofibula
A: extends thigh and flexes leg
