Lecture 8 Anatomy Flashcards
What comes off of the deep branch artery?
- Lateral Femoral circumflex artery - Medial Femoral circumflex artery

What is the Anterior thigh’s innervation?
Femoral Nerve
What is the arterial supply of the Anterior Thigh?
Femoral Artery (from External Iliac)
What are the borders of the femoral triangle?
Inguinal Ligament
Sartorius Muscle
Adductor Long Muscle
Floor: Liposoas Muscle
Pectineus Muscle

Which artery supplies the posterior thigh? A. Femoral Artery B. Obturator Artery C. Perforating branches of deep femoral artery D. B and C
C. Perforating branches of deep femoral artery
What is the floor of the femoral triangle?
Iliopsoas Muscle Pectineus Muscle

What is the Superior border of the femoral triangle?
Inguinal ligament

What is the Medial border of the femoral triangle?
Adductor Longus

What is the Lateral border of the femoral triangle?
Sartorius

Name the contents of the femoral triangle from lateral to medial Remember: NAVaL
- Femoral nerve (branches) - Femoral artery (branches) - Femoral vein - Femoral lymphatics

The subsartorial canal starts at the apex and goes where?
Adductor Hiatus Apex of femoral triangle –> Adductor Hiatus

What is the innervation of the subsartorial canal?
Saphenous Nerve Branches off the femoral nerve and nerve to vastus medialis

What is the arterial supply of the subsartorial canal?
Femoral artery
What nerve is more to the medial side of the thigh within the subsartorial canal
Nerve to Vastus medialis
What are the contents of the subsartorial canal?
- Femoral artery and vein - Saphenous Nerve - Nerve to vastus Medialis

What is the medial border of the femoral triangle? A. Sartorius Muscle B. Adductor Magnus Muscle C. Adductor Longus Muscle D. Abductor Brevis Muscle
C. Adductor Longus Muscle
Great Saphenous Vein drains into →
Femoral Vein

Small Saphenous Vein drains into →
Popliteal vein
Popliteal Veins drains into →
Femoral Vein
Great Saphenous Vein is
superficial

Which muscle attach to the iliotibial tract? A. Gluteus Maximus B. Tensor Fascia Lata C. Gluteus Medius D. A and C E. A and B
E. A and B Gluteus Maximus Tensor Fascia Lata
Psoas and Iliacus fuse together to make which muscle?
Iliopsoas Muscle

Psoas Major attaches to what?
Lumbar spine

Hip flexors both insert where?
lesser trochanter
Which structure is NOT part of the subsartorial canal? A. Nerve to Vastus Medialis B. Sciatic Nerve C. Saphenous Nerve D. Femoral Artery E. Femoral Vein
B. Sciatic Nerve Remember: All of these contents are part of the subsartorial canal - Nerve to Vastus Medialis - Saphenous Nerve - Femoral Artery - Femoral Vein
What is the innervation of the Iliopsoas Muscle?
Femoral Nerve
What actions does the Iliopsoas Muscle perform?
- Flex thigh at hip - External rotation of thigh at hip

What is the Post. attachment of the Iliopsoas Muscle?
Iliacus - iliac fossa Psoas - lateral lumbar spine

What is the innervation of the Sartorius Muscle?
Femoral Nerve
What actions does the Sartorius Muscle perform?
- Flex thigh at hip - Abducts thigh at hip - Lateral rotation of thigh at hip
The Sartorius Muscle is a TWO JOINT muscle
Attaches at pes anserinus with gracilis as well as semitendinosus

What is the post. attachment of the Sartorius Muscle?
Post. Attachment: ASIS (Anterior Superior Iliac Spine - seatbelt muscle)

What is the innervation of the Pectineus Muscle?
Femoral AND Obturator Nerve
What actions does the Pectineus Muscle perform?
- Flex thigh at hip - ADducts thigh at hip

Name the Quadriceps Femoris Muscles
- Rectus Femoris Muscle - Vastus Lateralis Muscle - Vastus Intermedius Muscle - Vastus Medialis Muscle
What is the innervation of the Rectus Femoris Muscle?
Femoral Nerve
Rectus Femoris Muscle
- Most superficial (if you remove it you see vastus lateralis muscle)
Flexes thigh at the hip

The Rectus Femoris Muscle is a TWO JOINT muscle
Attaches to anterior inferior iliac spine (abbreviated: AIIS) Crosses hip and knee

What is the innervation of the Vastus Lateralis Muscle?
Femoral Nerve
What actions does the Vastus Lateralis Muscle perofrm?
Extends leg at knee Attaches to the patellar tendon

What is the innervation of the Vastus Intermedius Muscle?
Femoral Nerve
What actions does the Vastus Intermedius Muscle perform?
Extends leg at knee

Vastus Intermedius Muscle is
Deep to Rectus Femoris Muscle Attaching to the patellar tendon
What is the innervation of the Vastus Medialis Muscle?
Femoral Nerve
What actions does the Vastus Medialis Muscle perform?
Extends leg at knee
Vastus Medialis Muscle
Attaches to the patellar tendon
Wha is the innervation of the Medial Thigh?
Obturator Nerve
What is the arterial supply of the Medial Thigh?
Obturator Artery (comes off the internal Iliac)
The innervation of the Medial Thigh is
both Muscular and Sensory L2,3,4
What branches off of the Femoral artery?
Superficial circumflex iliac artery and External Pudendal artery
The Obturator supplies
- Obturator externus - Adductor brevis - Adductor longus - Anterior Part adductor magnus
What is the innervation of the Adductor Longus Muscle?
Obturator Nerve
What actions does the Adductor Longus Muscle perform?
ADducts thigh at hip

What is the innervation of the Gracilis Muscle ?
Obturator Nerve
What actions does the Gracilis Muscle perform?
- ADducts thigh at hip - Flexes and medially rotates leg at knee
Gracilis Muscle is a TWO JOINT muscle
Attaches at pes anserinus with sarttus as well as semitendinosus

What is the innervation of the Obturator Externus Muscle?
Obturator Nerve
What actions does the Obturator Externus Muscle perofrm?
Lateral rotation of thigh at hip

What is the innervation of the Adductor Brevis Muscle?
Obturator Nerve
What actions does the Adductor Brevis Muscle perform?
ADduction of thigh at hip

Adductor Brevis Muscle is
Deep to pectineus and adductor longus

What is the innervation of the Adductor Magnus Muscle ?
Obturator Nerve (anterior portion) Sciatic Nerve (posterior portion)

What actions does the Adductor Magnus Muscle perform?
Adductor (anterior) part: Flex and Adduct thigh at hip Hamstring (Posterior) Part: Extend Thigh at hip

Adductors of Thigh
Perforating arteries pass through those little gaps

Adductors of Thigh
Ischiopubic ramus to linea aspera and adductor tubercle

Hip Joint
As you extend your thigh, these tendons twist and tighten up to help push the head of the femur into the acetabulum
Name the 2 joint muscles
- Sartorius (crosses hip and knee) - Rectus Femoris (flex thigh at hip & extend leg at knee) - Gracilis (ADducts at hip, flex tibia at knee & flex - Semitendinosus sciatic tibial - Semimembranosus sciatic tibial - Biceps Femoris Longhead Sciatic Tibia
Which muscles crosses both the hip and the knee?
Rectus Femoris Muscle

Name the 2 joint muscles
- Sartorius (crosses hip and knee)
- Rectus Femoris (flex thigh at hip & extend leg at knee)
- Gracilis (ADducts at hip, flex tibia at knee & flex)
- Semitendinosus sciatic tibial
- Semimembranosus sciatic tibial
- Biceps Femoris Longhead Sciatic Tibia
What is the innervation of the posterior thigh ?
Sciatic Nerve
LFC and MFC
come off the deep
femoral artery
and supplies what?
the neck of the femur

What is the Anterior thigh compartment known as?
Extensor compartment
What is the medial thigh compartment known
Adductor compartment
What is the posterior thigh compartment known as?
Extensor compartment
How many muscles are in the anterior thigh compartment?
Five
- 4 Quadriceps femoris muscles
- 1 Sartorius muscle
Name the Quadriceps femoris muscles
Which medial thigh muscle is innervated by the femoral nerve?
Pectineus Muscle
How many medial thigh muscles are there?
Six
- Gracilis Muscle
- Pectineus Muscle
- Adductor Longus Muscle
- Obturator Externus Muscle
- Adductor Brevis Muscle
- Adductor Magnus Muscle
What are the anterior thigh muscles?
pectineus,–> Fem and Obt N
sartorius <– two joint- Fem N
and quadriceps femoris- Fem N
vastus medailis, vastus lateralis, vastus intermediate, rectus femorus <– two joint!
iliopsoas muscle - Fem N
ASIS attaches?
Inguial Ligament, and Sartorius
Less trochaner?
Hip Flexors such as lilacus and psoas major attach here
Illotibial band attaches?
Gluteus Maximus and tesa fascia muscle
AIIS attaches?
Rectus Femoris
Medial Compartment Thigh Muscles
Adductor Magnus- Obturator Nerve
Adductor Brevis- Obtrutator Nerve
Obtruator Externus- Obtruator Nerve
Gracilis- Obtruator Nerve
Posteior Compartment Muscles
Biceo Femoris- Sciatic Nerve
Semitendinosus- Sciatic Nerve
Semimembranous- Sciatic Nerve