ANTEROLATERAL ASPECT OF THIGH

 

The thigh is divided into three main compartments for the ease of description by lateral, medial and posterior intermuscular septa. The anterolateral compartment contains extensor muscles, which are supplied by the femoral nerve. The posterior compartment contains hamstring muscles, which are supplied by the sciatic nerve, while the medial or adductor compartment has muscles supplied by obturator nerve.

Skin:

Presents longitudinally  running Langerís lines

Superficial fascia:

Presents with loose areolar tissue, especially in the female. It is divided into two types

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Superficial fatty layer of superficial fascia called the Camperís fascia.

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Membranous deep layer of superficial fascia called Scarpaís fascia. These fascial layers are continuous with the superficial fascial layers of the anterior abdominal wall. This layer lies on the deep fascia but is fused with it at a line running from the about 2cm from the inguinal ligament to the sides of the pubic arch, reaching the ischial tuberoisty. It has the following cutaneous structures at the anterolateral aspect of thigh.

Superficial fascia has the following structures

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Great saphenous vein  

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Medial cutaneous nerve of thigh

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Intermediate cutaneous nerve of thigh

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Lateral cutaneous of nerve of thigh

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Femoral branch of genitofemoral nerve

 

Superficial vessels are

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Superficial external pudendal artery

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Superficial circumflex  iliac artery

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Superficial   epigastric artery.

In some cases the above arteries are derived from the external iliac artery and not femoral artery. The femoral artery is a continuation of the external iliac artery and it begins at the level of the inguinal ligament.

Deep fascia:

The deep fascia of the thigh is called fascia lata. It has many modifications.

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Cribriform fascia is the deep fascia on the saphenous opening.

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Iliotibial tract is the thickening of the deep fascia between the iliac crest to lateral condyle of tibia.

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Patellar bursae. These are of three types

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Prepatellar bursa

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Infrapatellar bursa (subcutaneous)

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Suprapatellar bursa

Muscles

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Tensor fasciae latae

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Sartorius

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Quadriceps femoris which is further divided into
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Rectus femoris

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Vastus lateralis

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Vastus medialis

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Vastus intermedius

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Articularis genus

Arteries

Femoral artery, runs from the level of inguinal ligament to the adductor hiatus (opening) in the adductor magnus, close to the popliteal fossa. It gives its branches

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Profunda femoris and its branches
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Medial circumflex femoral artery

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Lateral  circumflex femoral artery

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Deep external pudendal artery

 

 Veins:

The veins follow the course of arteries and have the same names. The great vein in the thigh is the femoral vein, which receives its tributaries.

Nerves

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Branches of femoral nerve from its two divisions

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Anterior division
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Intermediate cutaneous nerve of thigh

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Medial cutaneous nerve of thigh

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Nerve to sartorius

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Posterior division

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Saphenous nerve

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Nerve to vastus medialis

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Nerve to vastus lateralis

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Nerves to vastus intermedius (3)

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Nerve to rectus femoris which is also the articular branch of hip joint.

 

 

Others

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Femoral triangle

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Femoral ring and hernia

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Adductor canal (subsartorial canal)

 

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Lymphatics

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Embryology

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Histology

 QUIZ

Dissector

Summary
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Full lecture
Practical: Living anatomy
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Dissector
Lymph drainage
Organ integration
Clinical anatomy
Femur
Patella
Knee joint

Superior tibiofibular joint
Inferior tibiofibular joint

Ankle joint

Subtalar joint

Injuries to hip joint
Injuries to femur
Injuries to knee joint

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