Medial compartment of the thigh Flashcards
What are the muscles of the medial thigh collectively known as?
Hip Adductors.
What muscles make up the medial thigh?
Gracilis, Obturator Externus, Adductor Brevis, Adductor Longus, and Adductor Magnus.
Where is the origin of the Adductor magnus muscle?
Adductor and Hamstring part
Adductor part – Originates from the inferior rami of the pubis and the rami of ischium
Hamstring part - Originates from the ischial tuberosity
Where does Adductor Magnus insert?
Adductor part - the linea aspera of the femur.
Hamstring part - adductor tubercle and medial supracondylar line of the femur.
What are the actions of Adductor Magnus?
hey both adduct the thigh. The adductor component also flexes the thigh, with the hamstring portion extending the thigh.
What innervates Adductor Magnus?
Adductor part is innervated by the obturator nerve (L2-L4), the hamstring part is innervated by the tibial component of the sciatic nerve (L4-S3).
Where is the origin of the Adductor Longus muscle?
The pubis.
Where does Adductor Longus insert?
Linea aspera of the femur.
What is the action of Adductor Longus?
Adduction of the thigh.
What innervates Adductor Longus?
Obturator nerve.
Where is the origin of the Adductor Brevis muscle?
Originates from the body of pubis and inferior pubic rami.
Where does the Adductor Brevis insert?
linea aspera on the posterior surface of the femur, proximal to the adductor longus.
What is the action of the Adductor Brevis muscle?
Adduction of the thigh.
What is the innervation of the Adductor Brevis?
Obturator nerve.
Where is the origin of Obturator Externus?
It originates from the membrane of the obturator foramen, and adjacent bone.
