Caudal Muscles of the Thigh

Question 1

Biceps Femoris
Action
Innervation
Associated structures?

Answer 1

action: extend hip and tarsal joints, can flex/extend stifle

Innervation:
Sciatic Nerve

Associated structures: popliteal lymph node, sciatic nerve, and common calcanean tendon

Question 2

Biceps Femoris
Origin
Insertion

Answer 2

Origin: sacrotuberous ligament

Insertion: crural fascia and ligament of patella, cranial border of patella, tuber calcanei

Question 3

Semitendinosus
Origin
Insertion

Answer 3

O: ischiatic tuberosity

I: distocranial border and medial surface of tibia, tuber calcanei

Question 4

Semimembranosus
Origin
Insertion

Answer 4

O: ischiatic tuberosity

I: distal medial lip of the femur and medial condyle of the tibia

Question 5

Semimembranosus
Action
innervation

Answer 5

Action: extend hip joint, flex/extend stifle joint

Innervation: Sciatic Nerve