Muscle Anatomy - Hindlimb Muscles Flashcards
Where does the deep gluteal originate?
Ilium and ishium
Where does the deep gluteal insert?
Trochanter of femur
What is the action of the deep gluteal muscle?
Abduct the thigh and rotate it medially
What are the three adductor muscles?
Gracillis
Sartorius
Adductor
Where does the Gracillis muscle originate?
Tendon that follows ventral surface of pelvis synthesis
Where does the Gracillis muscle insert?
Proximal end of tibia on the medial surface
Medial patellar ligament
What is the action of the Gracillis muscle?
Adduct the hind limb
Where does the Sartorius muscle originate?
In iliac fascia
From the tendon insertion of Psoas minor muscle
Where does the Sartorius muscle insert?
Medial patellar ligament
Proximal end of tibia
What is the action of the Sartorius muscle?
Adduct hindlimb
Flexes hip
What is the origin of the adductor muscle?
Ventral surface of pubis and ishium
Wide tendon of Gracillis
Where does the Adductor muscle insert?
Proximal end of tibia
What is the action of the adductor?
Adduct hindlimb
Extends hip joint
Rotates femur medially
What are the two heads of the Gastrocnemius?
Medial and lateral head
Where does the medial and lateral head of the Gastrocnemius?
Medial - medial side of distal femur
Lateral - lateral side or distal femur
What is the insertion of the Gastrocnemius muscle?
Tendon ends on the point of hock (calcaneous bone)
What is the action of the Gastrocnemius muscle?
Extends hock
Flexes stifle
CANT DO BOTH AT THE SAME TIME
Where does the Soleus muscle originate?
Head of fibula
Where does the Soleus muscle insert?
Fuses with tendon of Gastrocnemius and inserts at point of hock on calcenous bone?
What is the action of the Soleus muscle?
Extends the hock
What are the four quadriceps muscles?
Rectus Femoris
Vastus Lateralis
Vastus Medialis
Vastus intermedius
Where does the Rectus Femoris originate?
Ilium
Where does the Rectus femoris insert?
Patella
What is the action of the Rectus Femoris?
Stabilizes the stifle joint
Flexes the hip
Major role in protraction of hindlimb
Where does the Vastus Lateralis originate?
Femur spanning from hip joint 3/4 way down
Where does the Vastus Lateralis insert?
Patella
What is the action of the Vastus Lateralis?
Extending and stabilizing stifle joint
Abduction of limb
Where does the Vastus medialis originate?
Femur medial surface
Where does the Vastus medialis insert?
Patella
What is the action of the Vastus medialis?
Extends stifle joint
Where does the Vastus intermedius originate?
Cranial surface of femur
Where does the Vastus intermedius insert?
Patella
What is the action of the Vastus intermedius?
Extends stifle
Tenses femoropatellar capsule during extension of joint
