Frog Origin, Insertion, and Function Flashcards
Pectoralis Major
Origin: Coracoid, Sternum, and fascia of the rectus abdominis
Insertion: Humerus
Function: adducts, rotates, and flexes the limb
Cutaneous Pectoralis
Origin: Pectoralis Muscle
Insertion: Skin
Function: may compress lymph spaces
Rectus abdominus
Origin: pubis
Insertion: dorsal surface of episternum
Function: Flexes the trunk
External Oblique
Origin: transverse Process of Vertebrae
Insertion: Connective tissue of rectus abdominus
Function: compresses the viscera
Latissimus Dorsi
Origin: dorsal connective tissue sheath
Insertion: Humerus
Function: retracts the forelimb
Transversus abdominus
Origin: Transverse processes of vertebrae
Insertion: connective tissue of rectus abdominis
Function: compresses the viscera
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
Iliolumbaris
Origin: Urostyle
Insertion: posterior portion of the skull
Function: Synergistic with Longissimus dorsi, extending the pelvic area
Coccygeoiliacus
Origin: urostyle
Insertion: ilium
Function: Stabilization of the urostyle and extension of the pelvic area
Depressor Mandibularis
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
Mylohyoid
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
Origin: Pelvis
Insertion: proximal end of the tibiofibula
Function: Flexes lower limb and retracts and adducts the thigh
Gracilis 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
Extensor cruris brevis
Origin: femur
Insertion: tibiofibula
Function: extends lower hindlimb
Tibialis anterior longus
Origin: femur
Insertion: tarsals
Function: dorsiflexion of the foot and assists in lower hindlimb extension
Tibialis posterior
Origin: shaft of tibiofibula
Insertion: tibiale
Function: foot extension
Gastrocnemius
Origin: femur
Insertion: plantar aponeurosis by way of the achilles tendon
Function: extends the foot and flexes toes
Sartorius
Origin: Pelvic girdle
Insertion: proximal end of the tibiofibula
Function: flexes the lower hindlimb, adducts and protracts the thigh
Adductor longus
Origin: pelvic girdle
Insertion: femur
Function: adducts the thigh
Triceps femoris
Origin: illium, acetabulum
Insertion: tibiofibula
Function: Extends the lower limb and assists in protraction of the thigh
piriformis
Origin: urostyle
insertion: femur
Function: retracts thigh
pterygoideus
origin: frontoparietal
Insertion: coronoid process
Function: elevates the mandible
interhyoideus
Origin: fascia of the depressor mandibulae
Insertion: median raphe
Function: elevates the throat
submentalis
Origin: Mandible
Insertion: mandible
Function: assists in elevation of the throat
Branchiohyoideus
Origin: mandible
Insertion: hyoid
Function: protracts the mandible
genioglossus
Origin: mandible
Insertion: tongue
Function: tongue movement
Sternohyoideus
Origin: Sternum
Insertion: hyoid
Function: retraction of the hyoid
Omohyoideus
Origin: dorsal surface of the coracoid
Insertion: hyoid
Function: movement of the hyoid
Pectinius
Origin: pelvic girdle
Insertion: proximal end of the femur
Function: adducts the thigh
Semitendonosus
Origin: pelvic girdle
Insertion: proximal end of the tibiofibula
Function: flexes the lower hindlimb and retracts the thigh
Peroneus
Origin: distal end of the femur
Insertion: proximal tarsals
Function: flexes the foot