Femoral Region, Anterior and Medial Compartments of Thigh Flashcards
What are the regions of the lower limb?
- Gluteal
- Femoral
- Knee
- Leg
- Ankle
- Foot
What 3 bones make up the hip bone?
- Ilium
- Ischium
- Pubis
They are fused at the Acetabulum
Name the parts of the Ilium (8)
- Iliac Crest
- Anterior Superior Iliac Spine
- Anterior Inferior Iliac Spine
- Posterior Superior Iliac Spine
- Posterior Inferior Iliac Spine
- Iliac Fossa
- Gluteal Lines (Anterior, Inferior, Posterior)
- Iliac Tubercle on the posterior side of the Iliac Crest
Name the parts of the Ischium (6)
- Ischial Spine
- Ischial Tuberosity
- Greater Sciatic Notch
- Lesser Sciatic Notch
- Obturator Foramen
- Ischiopubic Ramus
Name the parts of the Pubis (7)
- Pubic Tubercle
- Pubic Crest
- Superior Ramus of the Pubis
- Inferior Ramus of the Pubis
- Pectineal Line (which becomes Arcuate Line0
- Surface for Symphysis Pubis
- Oblique Crest towards Acetabulum
Name the parts of the Femur (12)
- Head
- Neck
- Greater Trochanter
- Lesser Trochanter
- Intertrochanteric Line (Anterior)
- Intertrochanteric Crest (Posterior)
- Gluteal Tuberosity
- Medial Supracondylar Ridge
- Lateral Supracondylar Ridge
- Medial Condyle
- Lateral Condyle
- Adductor Tubercle
Identify the Fascia Lata
Thick “stocking-like” membrane enclosing the large thigh muscles, thicker and reinforced by longitudinal fibres forming the iliotibial Band/Tract
What is the Intramuscular Septa?
It attaches to the Linea Aspera of the femur–> divides the muscles of the thigh into Anterior, Medial and Posterior Compartments
What are the origins of Sartorius?
Anterior Superior Iliac Spine
What are the attachments of Sartorius?
Medial side of the Tibia near the Tibial Tuberosity
What is the nerve supply of Sartorius?
Femoral nerve
What are the origins of Iliopsoas?
Iliacus: Anterior surface of Iliac Crest
Psoas Major: Vertebrae T12-L4/5
Where does Iliopsoas Insert?
Lesser Trochanter
What is the nerve supply of Iliopsoas?
Femoral Nerve and Anterior Rami L1-3
What are the muscles of the Anterior compartment of the thigh?
- Sartorius
- Iliopsoas
- Tensor Fascia Latae
- Rectus Femoris
- Vastus Medialis
- Vastus intermedialis
- Vastus Lateralis
What are the origins of Tensor Fascia Latae?
Anterior Superior Iliac Spine
Where does Tensor Fascia Latae insert?
Joins with the Iliotibial Tract and inserts into the Lateral Condyle of the Tibia
What is the Nerve Supply of Tensor Fascia Latae?
Femoral Nerve
What are the origins of Rectus Femoris?
Anterior Inferior Iliac Spine
Where does Rectus Femoris Insert?
It joins the Vastus muscles to form the Quadriceps Femoris Tendon, which inserts into the Patella
What is the nerve supply of Rectus Femoris?
Femoral Nerve
What are the origins of the Vastus Muscles?
Femur
Where does the Vastus muscles insert?
Joins Rectus Femoris to form the Quadriceps Tendon, which inserts into the patella
What is the nerve supply of the Vastus Muscles?
Femoral Nerve
What are the actions of Sartorius?
- Flexion of the hip joint
- Lateral Rotation of the hip joint
- Abduction of the hip joint
- Flexion and internal rotation of knee joint
What are the actions of Tensor Fascia Latae?
- Flexion of the hip joint
- Abduction of the hip joint
- Internal Rotation of the hip joint
What are the functions of Rectus Femoris?
- Flexion of the hip joint
2. Extension of the Knee Joint
What are the functions of the Vastus Muscles?
- Flexion of Hip Joint
2. Extension of Knee Joint
What are the Muscles in the Medial Compartment of the Thigh?
- Pectineus
- Gracilis
- Obturator Externus
- Adductor Brevis
- Adductor Longus
- Adductor Magnus
What are the origins of Pectineus?
Pectineal Line on the Pelvic Bone
What are the insertions of Pectineus?
Oblique Line/ Pectineal Line on the Proximal Femur
What is the nerve supply to Pectineus?
Femoral Nerve
What are the origins of Gracilis?
Inferior Pubic Ramus
What are the insertions of Gracilis?
Proximal shaft of Tibia
What is the nerve supply to Gracilis?
Obturator Nerve
What are the origins of Obturator Externus?
Obturator Membrane
What are the insertions of Obturator Externus?
Trochanteric Fossa on the Femur
What is the nerve supply to Obturator Externus?
Obturator Nerve
What are the actions of Obturator Externus?
- Lateral Rotation of Thigh
2. Adduction of Thigh
What are the origins of Adductor Brevis?
- Body of Pubis
2. Inferior Pubic Ramus
What are the insertions of Adductor Brevis?
- Proximal Femur
2. Upper 1/3 of Linea Aspera
What is the nerve supply to Adductor Brevis?
Obturator Nerve
What are the actions of Adductor Brevis?
Adduction of Thigh
What are the origins of Adductor Longus?
Body of Pubis
Where does Adductor Longus insert?
Halfway down the Femur
What is the nerve supply to Adductor Longus?
Obturator Nerve
What are the actions of Adductor Longus?
- Adduction of Thigh
2. Medial Rotation of the Thigh
What are the origins of Adductor Magnus?
- Ischiopubic Ramus
2. Ischial Tuberosity
What are the Insertions of Adductor Magnus?
- Gluteal Tuberosity
- Linea Aspera
- Medial Supracondylar line
- Adductor Tubercle
What is the nerve supply to Adductor Magnus?
Obturator Nerve
What are the actions of Adductor Magnus?
- Adduction of Thigh
- Flexion of Thigh
- Extension of Thigh
Describe the Femoral Triangle
It is a wedge-shaped depression formed by muscles and the Inguinal Ligament
What forms the Base of the Femoral Triangle?
Inguinal Ligament
What forms the Medial Border of the Femoral Triangle?
Medial Margin of Adductor Longus
What forms the Lateral Border of the Femoral Triangle?
Medial Border of Sartorius
What forms the floor of the Femoral Triangle?
Iliopsoas, Pectineus and Adductor Longus
What forms the roof of the Femoral Triangle?
Fascia Lata, Subcutaneous Tissue and Skin
Describe the Boundaries of the Femoral Triangle
Base: Inguinal Ligament
Medial Border: Medial Margin of Adductor Longus
Lateral Border: Medial border of Sartorius
Floor: Iliopsoas, Pectineus and Adductor Longus
Roof: Fascia Lata, Subcutaneous tissue and skin
What are the contents of the Femoral Triangle lateral to medial?
- Femoral Nerve
- Femoral Artery
- Femoral Vein
- Lymphatics
Where is the apex of the Femoral Triangle?
It is continuous inferiorly with the adductor canal
A vessel pierces the roof of the Femoral Triangle. What is this vessel?
Great Saphenous Vein
What is the Femoral Ring?
It is an opening into the femoral canal from the abdominal cavity
What are the borders of the Femoral Ring?
Anterior: Inguinal Ligament
Lateral: Femoral Vein
Medial: Lacunar Ligament
Posterior: Pectineal Ligament
What is a Femoral Hernia?
A protrusion of abdominal viscera through the femoral ring into the femoral canal
Where would you find a Femoral Hernia?
Inferior-Lateral to to the Pubic Tubercle
What goes through the Adductor Hiatus?
Superficial Femoral Artery and Femoral Vein
What does the Profunda Femoral Artery supply?
Thigh muscles and Hip joint
What does the Superficial Femoral Artery Supply?
Becomes the Popliteal Artery and gives off Anterior and Posterior Tibial Arteries and Fibular Artery to supply Leg