Q8 Adductor Muscles

Question 1

Name the muscles of the adductor group.

Answer 1

Adductor Magnus, Adductor brevis, Adductor longus, gracilis and pectineus

Question 2

What are the positions and arrangement of these muscles in the thigh?

Answer 2

On the medial side of the thigh in layers.
Adductor magnus - Most posterior of the adductor group between adductor brevis and semimembranosus
Adductor longus - medial aspect of thigh and superficial.
Adductor brevis - medial aspect of thigh too deep to palpate
Gracilis - the most superficial and medial aspect of the thigh
Pectineus - supra-medial aspect of thigh.

Question 3

What are the attachments of Adductor Magnus?

Answer 3

proximal attachment -inferior-pubic ramus, ischial ramus and ischial tuberosity
distal attachment - linea aspera of the femur, medial supracondylar ridge and adductor tubercle

Question 4

What are the actions of Adductor Magnus?

Answer 4

Working as a whole it is an Adductor of the hip, Posterior/Ischial aspect extends the hip

Question 5

What is the nerve supply of Adductor Magnus?

Answer 5

Adductor part - Obturator nerve L2,3

Extensor part - Sciatic Nerve (Tibial section) L4