Posterior Thigh Flashcards
Name the 4 posterior thigh muscles
Semitendinosus
Semimembranosus
Biceps femoris - long and short head
Which of the 4 posterior thigh muscles are hamstrings?
Semitendinosus
Semimembranosus
Long head of biceps femoris
What is the origin and insertion of the semitendinosus?
Origin: Ischial tuberosity
Insertion: Medial tibia
What is the origin and insertion of the semimembranosus?
Origin: Ischial tuberosity
Insertion: Posterior tibia
What is the origin and insertion of the long head of the biceps femoris?
Origin: Ischial tuberosity
Insertion: Fibular head
What is the origin and insertion of the short head of the biceps femoris?
Origin: Linea aspera
Insertion: Fibular head
What is the innervation of all the posterior thigh muscles And what is the exception?
All innervated by the tibular division of the sciatic nerve (L5, S1, S2)
Except the short head of the biceps femoris - common fibular nerve
What are the actions of the posterior thigh muscles?
Hip extension
Knee flexon