FINAL Frog Origin, Insertion, and Function Flashcards
Pectoralis
Origin: Coracoid, Sternum, and fascia of the rectus abdominis Insertion: Humerus Function: adducts, rotates, and flexes the limb
Rectus abdominis
Origin: pubis
Insertion: dorsal surface of episternum
Function: Flexes the trunk
Latissimus Dorsi
Origin: dorsal connective tissue sheath Insertion: Humerus Function: retracts the forelimb
Dorsalis Scapulae
Origin: suprascapula Insertion: Humerus Function: protracts the forelimb
Longissimus Dorsi
Origin:Urostyle Insertion: posterior portion of the skull and anterior vertebrae Function: Extends the pelvic area
Depressor Mandibulae
Origin: Squamosal Insertion: posterior portion of the angulosplenial Function: depresses mandible
Temporalis
Origin: frontoparietal Insertion: coronoid process of mandible Function: elevates the mandible
Masseter
Origin: frontoparietal Insertion: coronoid process of mandible Function: elevates the mandible
intermandibularis
Origin: Mandible Insertion: Median raphe Function: elevates the throat
Geniohyoid
Origin: mandibular symphysis Insertion: hyoid Function: depresses mandible and pulls the hyoid apparatus anteriorly
Deltoid
Origin: sternum, clavicle, scapula Insertion: Humerus Function: protraction and adduction of the forearm
Triceps Brachii
Origin: humerus, scapula Insertion: Ulna Function: extends the forearm
Adductor Magnus
Origin: pelvic girdle Insertion: Femur Function: adducts thigh
Gracilis major and minor
Origin: Pelvis
Insertion: proximal end of the tibiofibula
Function: Flexes lower limb and retracts and adducts the thigh
Semimembranosus
Origin: pelvic girdle Insertion: proximal end of tibiofibula Function: Extends the lower limb and assists in protraction and adduction of the thigh