Medial Side Of Thigh Flashcards
Adductor longus
This is a large triangular muscle forming the medial part of the floor of the femoral triangle
Origin:it arises by a narrow flat tendon from the front of the body of the pubis in the angle between the pubic crest and the pubic symphysis.
Insertion: the linea aspects in the middle one third of the shaft of the femur between the Vastus medialis and the Adductor Brevis and Magnus
Adductor brevis
The muscle lies behind the pectineus and adductor longus
Origin
Anterior surface of body of the pubis
Outer surface of Inferior Ramus of the pubis between the gracilis and obturator externus
Outer surface of the ramus of the ischium between gracilis and the adductor Magnus
Insertion: line extending from the lesser trochanter to the upper part of the linea aspects behind the upper part of the adductor longus
Adductor Magnus
Largest muscle of this compartment
Double nerve supply- hybrid muscle
Origin Inferolateral part of ischial tubérosity Ramus of ischium Lower part of inferior Ramus of pubis Insertion Medial margin of gluteal tuberosity Linea aspera Medial supracondylar Line Adductor tubercle
Gracilis
Slender
Medial margin of the lower half of the body of the pubis
Inferior Ramus of pubis
Adjoining part of Ramus of ischium
Insertion
Upper part of the medial surface of tibia behind sartorius and in front of semitendinosus
Pectinéus
This is a large flat quadrilateral muscle it’s forms a part of the floor of the femoral triangle
Origin
Pecten pubis
Upper half of the pectineal surface of the superior Ramus of pubis
Fascia covering the pectinéus
Insertion
Line extending from lesser trochanter to linea aspera
Nerve supply of adductor longus
Anterior division of obturator nerve
Adductor brevis nerve supply
Anterior or posterior division of obturator nerve
Adductor Magnus
Hybrid muscle
Double nerve supply
Adductor part by posterior division of obturator nerve
Hamstring part by tibial part of sciatic nerve
Gracilis
Anterior division of obturator nerve
Pectinéus
Hybrid muscle
Double nerve supply
Anterior fibres by fémoral nerve
Posterior fibres by anterior division of obturator nerve
Action of adductor longus
Powerful adductor of thigh at hip joint
The adductor muscles act as posture controllers
Adductor brevis actions
Adductor longus and brevis help in adduction and flexion of thigh
Adductor Magnus action
Adductor part - adduction
Hamstring part extension of hip and flexion of knee
Gracilis
Flexor and medial rotator of thigh
Weak adductor of thigh
Pectinéus
Flexor of thigh
Adductor of thigh
