Muscles- THE MEDIAL COMPARTMENT OF THE THIGH Flashcards
List the Muscles of the MEDIAL COMPARTMENT?
- ADDUCTOR LONGUS
- ADDUCTOR BREVIS
- ADDUCTOR MANGNUS
- GRACILIS
- OBTURATOR EXTERNUS
In general, what is the Main action of the muscles in the MEDIAL COMPARTMENT?
HIP ADDUCTION
What Nerve supplies the muscles of the Medial Compartment?
OBTURATOR NERVE (L2, L3, L4)
What ARTERY Supples the muscles of the Medial Compartment?
OBTURATOR ARTERY
Where does the OBTURATOR ARTERY come from?
Branch of the INTERNAL ILIAC ARTERY
What is the Largest Muscle of the Medial Compartment?
ADDUCTOR MAGNUS
What are the TWO COMPONENTS of the ADDUCTOR MAGNUS MUSCLE?
ADDUCTOR COMPONENT
HAMSTRING COMPONENT
What are the ACTIONS of the ADDUCTOR MAGNUS MUSCLE?
ADDUCTOR COMPONENT- Adduction and Flexion of the Thigh
HAMSTRING COMPONENT- Adduction and Extension of the Thigh
What is the Nerve supply to the ADDUCTOR MAGNUS MUSCLE?
ADDUCTOR COMPONENT- Obturator Nerve (L2, L3, L4)
HAMSTRING COMPONENT- Tibial Branch of the Sciatic Nerve (L4-S3)
What Muscle forms the MEDIAL BORDER of the FEMORAL TRIANGLE?
Adductor Longus Muscle
What are the Attachments of the Adductor Longus Muscle?
Proximal- PUBIS BONE
Distal- LINEA ASPERA OF FEMUR
ADDUCTOR LONGUS
What NERVE innervates the ADDUCTOR LONGUS?
Obturator Nerve
What are the Attachments of the ADDUCTOR BREVIS Muscle?
Proximal- Pubis and Inferior Pubic Ramus
Distal- Linea aspera on the Posterior femur
Linea Aspera of the Femur
What is the LINEA ASPERA of the Femur ?
- Ridge on the Posterior Aspect of the Femur
-Serves as a site for attachment of the Adductor Muscles
Which Muscle in the MEDIAL COMPARTMENT OF THE THIGH IS MOST SUPERFICIAL?
Gracilis
What are the ATTACHMENTS of the GRACILIS?
PROXIMAL- Inferior Pubic Ramus and Ischium
DISTAL- Medial surface of the TIBIAL SHAFT via the Pesanserinus tendon
GRACILIS
What is the Pes anseurinus Tendon?
-CONJOINT TENDON of Three Muscles at the Anteriomedial surface at the Proximal tibia
Which 3 muscles contribute to the Pes anseurinus Tendon?
- GRACILIS
- SARTORIUS
- SEMITENDINOSUS
PES ANSEURINUS TENDON
What are the attachments of the OBTURATOR EXTERNUS muscle?
Proximal- Membrane of the Obturator Foramen
Distal- Greater Trochanter