Muscles in the medial compartment of thigh.

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Medial Side of Thigh

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Naeem Rahbar
B P T
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Adductor Brevis
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Origin of Adductor Brevis
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a) Anterior surface of body of the pubis
b) Outer surface of inferior ramus of the pubis
between the gracilis and obturator externus
c) Outer surface of ramus of the ischium
between gracilis and adductor magnus

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Insertion of Adductor Brevis
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Line extending from the lesser trochanter to the
upper part of the linea aspera, behind the upper
part of the adductor longus

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Innervation of Adductor Brevis
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Anterior and posterior division of obturator nerve

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Actions of Adductor Brevis
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Adductor longus, adductor brevis help in
adduction and flexion of thigh

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Adductor Longus
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• The adductor longus is a large, fan-shaped muscle
located in the medial aspect of the thigh
• It belongs to the adductors of the thigh, together with
adductor brevis
• It lies in the plane of the pectineus

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Origin of Adductor Longus
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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.

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Insertion of Adductor Longus
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The linea aspera in middle one-third of the shaft of
the femur between the vastus medialis and the
adductor magnus and brevis

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Innervation of Adductor Longus
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Anterior division of obturator nerve

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Actions of Adductor Longus
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Powerful adductor of thigh at
hip joint, also act as posture
controllers

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Adductor Magnus
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• The adductor magnus muscle is a large triangular
muscle of the lower limb, with its apex situated on
the hip bone, and its base on the linea aspera of
the femur
• Because of its dual nerve supply, its called a
hybrid muscle

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Origin of Adductor Magnus
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a) Inferolateral part of the ischial tuberosity
b) Ramus of the ischium
c) Lower part of inferior ramus of the pubis

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Insertion of Adductor Magnus
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a) Medial margin of gluteal tuberosity
b) Linea aspera
c) Medial supracondylar line
d) Adductor tubercle

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Innervation of Adductor Magnus
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Double nerve supply:
Anterior part by posterior division of obturator
nerve
Hamstring part by tibial part of sciatic nerve

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Actions of Adductor Magnus
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Adductor part causes
adduction of thigh and
hamstring part helps in
extension of hip and flexion of
knee

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Gracilis
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• Gracilis muscle is a long and slender muscle
located in the medial (adductor) compartment of
the thigh
• Gracilis is the most superficial hip adductor,
overlying the remaining four
• t is also the weakest member but the only hip
adductor that crosses and acts on two joints; the
hip and knee.

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Origin and insertion of Gracilis
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a) Medial margin of the lower half of the body of
pubis
b) Inferior ramus of the pubis
c) Adjoining part of the ramus of the ischium
Upper part of the medial surface of the tibia behind
the sartorius and in front of the semitendinosus
Origin
Insertion

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Innervation of Gracilis
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Anterior division of obturator nerve

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Action of Gracilis
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• Flexor and medial rotator of thigh
• Weak adductor of thigh
• Used for transplantation of any
damaged muscle

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Clinical Anatomy
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• The gracilis muscle is most superficial muscle of the adductor
compartment. This muscle is often used for transplantation of any
damaged muscle.
• Intracapsular fracture of neck of femur causes damage to the retinacular
branches (which supply head of femur), leading to avascular necrosis of
head of femur

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References
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BD Chaurasia’s Human Anatomy
Vol 2
Getboysmart.com
Kenhub.com

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Thank You
Naeem Rahbar
BPT student at Sree Anjaneya College of
Paramedical Sciences
Email: naeemrahbar13@gmail.com